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Over 19Ā°F cooler
with better sustained
performance***
Work unplugged
for over 10 hours in
Windows Balanced
Mode**
Up to 2.58x the
PassMark overall rating
while unplugged*
Choose the HP EliteBook 845 G9
Notebook PC for longer battery life
and better performance scores while
maintaining cool surface temperatures
vs. the Dell Latitude 7430 laptop and the Dell
Latitude 7420 laptop
A portable and powerful laptop can be a great choice for remote,
hybrid, or in-office workers. But deciding which system is best suited
to usersā€™ needs is a more complicated task. Benchmarks can give
helpful indications about potential performance, but they canā€™t tell the
complete story. And, while users can minimize outward distractions,
their devicesā€™ noise levels, surface temperatures, or battery warnings
could disrupt their focus and productivity.
At PT, we used industry-standard benchmarks to compare two current-
generation business-class laptops aimed at enterprise users: an HP
EliteBook 845 G9 Notebook PC powered by an AMD Ryzenā„¢
7 PRO
processor and a Dellā„¢
Latitudeā„¢
7430 laptop powered by an IntelĀ®
Coreā„¢
i7 processor. For a gen-over-gen comparison, we performed the
same tests on a previous-gen Dell Latitude 7420 laptop powered by
an Intel Core i7 processor. We ran benchmarks both while the devices
were connected to AC power and while they used battery power. Not
only did the HP EliteBook 845 G9 Notebook PC deliver longer battery
life with a smaller battery, but it also achieved higher benchmark scores
while plugged-in and unplugged than both Dell Latitude devices.
Additionally, we found that it ran cooler to the touch and output similar
acoustic levels under Cinebench R23 multi-core workloads compared to
the Dell Latitude systems we tested.
*Based on PassMark
PerformanceTest 10 results
**Based on MobileMarkĀ®
25 battery
life scores; scores may differ from other
published scores due to differences in
system settings
***Based on thermals while under CPU load
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
November 2022
A Principled Technologies report: Hands-on testing. Real-world results.
Current gen
Dell Latitude 7430
Intel Core i7-1265U processor
10 cores
32GB RAM
512GB SSD
58WHr battery
Current gen
HP EliteBook 845 G9
AMD Ryzen 7 PRO 6850U processor
8 cores
32GB RAM
512GB SSD
51WHr battery
Previous gen
Dell Latitude 7420
Intel Core i7-1185G7 processor
4 cores
32GB RAM
512GB SSD
63WHr battery
In this report, we visually present data for all three systems together, but where necessary, we include key
takeaways that break down the comparisons: the current-gen HP EliteBook Notebook PC vs. the current-
gen Dell Latitude 7430 laptop, and the current-gen HP EliteBook Notebook PC vs. the previous-gen Dell
Latitude 7420 laptop.
We ran the following benchmark tests while the devices were plugged in and unplugged:
ā€¢ Cinebench R23
ā€¢ PassMark PerformanceTest 10
ā€¢ PCMark 10 Benchmark Test
ā€¢ PCMark 10 Applications Test
ā€¢ 3DMark
To test battery life, we ran the MobileMark 25 benchmark while the devices were unplugged. For our thermal
tests, we ran a CPU-intensive sustained Cinebench R23 multi-core workload and took temperatures on each
deviceā€™s keyboard deck (top) and underside of the chassis (bottom) while the devices were under load. We tested
acoustics by measuring decibels both while the devices were under a Cinebench R23 multi-core workload and
while they were idle. The devices were plugged in during thermal and acoustic testing.
Unless we note otherwise, we ran each test three times and report the median result in the pages that follow.
For more information on our configurations and details about our testing, see the science behind the report.
Putting three laptops to the test
We tested the following business laptops:
November 2022 | 2
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Battery life testing
Whether employees work in an office building or remotely from their kitchen tables, receiving a low battery
notification and searching for the nearest power outlet can disrupt a focused workflow. We tested battery life
by setting each system to Balanced Mode and running the MobileMark 25 benchmark, which uses real-world
productivity applications to complete workday tasks, such as word processing, email, web browsing, and photo
editing.1
We saw that the HP EliteBook Notebook PC delivered 10 hours and 26 minutes of battery lifeā€”more
than a standard workdayā€”under the MobileMark 25 workload (Figure 1).
MobileMark 25 overall battery life in Windows Balanced Mode
hours:min | Median | Higher is better
10:26
5:41
9:50
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
51WHr battery 58WHr battery 63WHr battery
Figure 1: Overall battery life of the three systems we tested as reported by MobileMark 25. Higher is better.
Source: Principled Technologies.
Although the HP EliteBook Notebook PC had a smaller battery than both Dell Latitude laptops we tested, it
delivered longer battery life. These data suggest better system efficiency from the HP EliteBook Notebook PC,
which we show in Figure 2 below.
System efļ¬ciency
Minutes per WHr | Median | Normalized | Higher is better
12.3
5.4
10.2
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
51WHr battery 58WHr battery 63WHr battery
Figure 2: System efficiency of each of the three devices we tested, in minutes of battery life (as measured by the MobileMark 25 benchmark)
per WHr. Higher is better. Source: Principled Technologies.
Key takeaways
Current gen vs. current gen: In MobileMark 25 battery life tests, the HP EliteBook Notebook PC with its
51WHr battery ran 36 minutes longer than the Dell Latitude 7430 laptop with its 63WHr battery. Calculating
the WHr per minute, the system was 20.6 percent more efficient.
Current gen vs previous gen: In MobileMark 25 battery life tests, the HP EliteBook Notebook PC with
its 51WHr battery ran 4 hours and 45 minutes longer than the Dell Latitude 7420 laptop with its 58WHr
battery, a difference of 83.5 percent. Calculating the WHr per minute, the system delivered 1.27 times the
efficiency of the Dell Latitude 7420 laptop.
November 2022 | 3
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Productivity benchmark testing
The more responsive a system is, the less time users have to spend waiting for spreadsheets, graphic renders,
or other important work to loadā€”and the more time they have to maintain focus on their work. Because no
single test can paint a complete picture of a systemā€™s performance and because users work with a variety of apps
throughout their day, we used five industry-standard productivity benchmarks to measure different aspects of
performance. Taken together, these results show the system responsiveness users might expect during their day-
to-day work. Below, we detail our findings for the three systems we tested.
Note: Unless we specify otherwise, we show each benchmarkā€™s overall test results below. For a detailed
breakdown of each benchmarkā€™s sub-scores, see the science behind the report.
About the AMD Ryzen 7 PRO 6850U
processor
In our testing, the AMD Ryzen 7 PRO 6850U processor
powered the HP EliteBook 845 G9 Notebook PC. This
processor is part of the AMD Ryzen PRO 6000 Series
processor line, which ā€œdeliver superb productivity,
enterprise-grade security features, manageability,
and reliability features that businesses demand,ā€2
according to AMD. The 6850U model features eight
cores, 16 threads, a 16MB L3 cache, and AMD Radeonā„¢
Graphics 680M integrated GPU based on AMD RDNAā„¢
2 architecture.
Learn more at https://www.amd.com/en/product/11666.
About the HP Elitebook 845 G9 Notebook PC
The HP Elitebook 845 G9 Notebook PC we tested is a
14-inch device that comes equipped with two SODIMM
memory slots, an up to 1TB PCIeĀ®
NVMeĀ®
TLC SSD,
and a 5MP privacy camera. The device we tested had
16 GB of DDR5 memory and a 512GB PCIe NVMe
SSD. According to HP, this laptop series allows users
to ā€œconnect and ease powerfully through your day in
almost any setting with the beautifully designed and
highly secure HP EliteBook 805 series.ā€3
To learn more, visit https://www.hp.com/
us-en/shop/mdp/elite-352503--1/hp-elitebo
ok-845-3074457345617503672-1.
November 2022 | 4
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Cinebench R23 multi-core
Key takeaways
Current gen vs. current gen: In plugged-in tests, the HP EliteBook Notebook PC achieved a 49.9
percent higher score than the Dell Latitude 7430 laptop. During unplugged tests, it offered a score 87.6
percent higher.
Current gen vs previous gen: In plugged-in tests, the HP EliteBook Notebook PC reached a score 1.88
times that of the Dell Latitude 7420 laptop. During unplugged tests, it offered a score 1.75 times that of
the Dell Latitude 7420 laptop.
The Cinebench R23 benchmark measures ā€œif a machine runs stable on a high CPU load, if the cooling solution
of a desktop or notebook is sufficient for longer running tasks to deliver the full potential of the CPU, and if a
machine is able to handle demanding real-life 3D tasks.ā€4
The multi-core workload tests how a device performs
under loads that rely on multiple processors cores, such as video and photo editing, 3D rendering, scientific
simulations, and complex spreadsheets.5
While not everyone works on resource-intensive tasks for entire
workdays at a time, Cinebench R23 scores give an indication of how a system may perform when these tasks do
come up, especially for users who simultaneously work on multiple applications. Figure 3 shows the plugged-in
performance we saw from the devices we tested.
Figure 3: Multi-core scores as reported by Cinebench R23 for the three systems we tested while plugged in. Higher is better.
Source: Principled Technologies.
When the HP EliteBook Notebook PC was unplugged, it also achieved higher scores than the other laptops we
tested, as Figure 4 shows.
Figure 4: Multi-core scores as reported by Cinebench R23 for the three systems we tested while on battery power. Higher is better.
Source: Principled Technologies.
Plugged-in Cinebench R23 multi-core performance score
Median | Higher is better
10,518
3,641
7,015
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
Unplugged Cinebench R23 multi-core performance score
Median | Higher is better
10,523
3,826
5,608
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 5
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
PassMark PerformanceTest 10
Key takeaways
Current gen vs. current gen: In plugged-in tests, the HP EliteBook 845 G9 Notebook PC achieved a 77.2
percent higher score than the Dell Latitude 7430 laptop. During unplugged tests, it delivered a score 92.2
percent higher.
Current gen vs previous gen: In plugged-in tests, the HP EliteBook 845 G9 Notebook PC achieved a 74.1
percent higher score than the Dell Latitude 7420 laptop. During unplugged tests, it delivered a score more
than twice that of the Dell Latitude 7420 laptop.
PassMark PerformanceTest 10 tests several key performance areas, including CPU, 2D and 3D graphics, disk,
and memory. Figure 5 shows that during plugged-in testing, the HP EliteBook Notebook PC achieved a better
overall PassMark PerformanceTest 10 score than the other laptops we tested.
Figure 5: Overall ratings as reported by PassMark PerformanceTest 10 for the three systems we tested while plugged in. Higher is better.
Source: Principled Technologies.
When we ran PassMark PerformanceTest 10 on the unplugged devices, we also saw a better overall score from
the HP EliteBook PC notebook compared to that of either Dell Latitude laptop (see Figure 6).
Plugged-in PassMark PerformanceTest 10 overall rating
Median | Higher is better
5,852
3,361
3,302
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
Figure 6: Overall ratings as reported by PassMark PerformanceTest 10 for the three systems we tested while unplugged. Higher is better.
Source: Principled Technologies.
Unplugged PassMark PerformanceTest 10 overall rating
Median | Higher is better
5,384
1,500
2,800
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 6
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
PCMark 10 benchmark
According to UL Solutions, the PCMark 10 benchmark ā€œis ideal for organizations evaluating PCs for a workforce
with a range of performance needs,ā€ testing areas such as web browsing, office applications, and digital content
creation.6
Figure 7 shows that while the devices were plugged in, the HP EliteBook Notebook PC achieved
higher PCMark 10 benchmark overall scores than the Dell Latitude laptops.
Figure 7: Overall ratings as reported by PCMark 10 for the three systems we tested while plugged in. Higher is better.
Source: Principled Technologies.
Testing the unplugged systems revealed that the HP EliteBook Notebook PC performed comparably to the Dell
Latitude 7420 laptop and outperformed the Dell Latitude 7430 laptop (see Figure 8).
Plugged-in PCMark 10 overall rating
Median | Higher is better
6,216
5,205
5,839
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
Figure 8: Overall ratings as reported by PCMark 10 for the three systems we tested while unplugged. Higher is better.
Source: Principled Technologies.
Key takeaways
Current gen vs. current gen: Overall, in plugged-in tests, the HP EliteBook Notebook PC performed
comparably to the Dell Latitude 7430 laptop, achieving a score 6.4 percent higher. During unplugged tests,
it received a 29.6 percent higher score.
Current gen vs previous gen: Overall, in plugged-in tests, the HP EliteBook Notebook PC achieved a 19.4
percent higher score than the Dell Latitude 7420 laptop. During unplugged tests, it performed comparably,
yielding a score 1.5 percent higher.
Unplugged PCMark 10 overall rating
Median | Higher is better
5,545
4,277
5,462
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 7
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
In Figures 9 and 10, we highlight the scores from the Productivity test group of the PCMark 10 benchmark.
This test group measures performance using everyday applications with workloads that include spreadsheets
and writing work.7
The performance advantages from the HP EliteBook Notebook PC indicate that users could
experience better responsiveness when using office applications at their desks or on the go.
For more sub-score results, see the science behind the report.
Figure 9: Productivity ratings as reported by PCMark 10 for the three systems we tested while plugged in. Higher is better.
Source: Principled Technologies.
Similarly, users working with their laptops unplugged could see comparable performanceā€”the Dell Latitude
7420 laptop yielded a score 4.6 percent higherā€”or improved performance from the HP EliteBook Notebook PC,
with a score 57.2 percent higher than that of the Dell Latitude 7430 laptop.
Plugged-in PCMark 10 Productivity rating
Median | Higher is better
9,129
8,225
7,496
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
Figure 10: Productivity ratings as reported by PCMark 10 for the three systems we tested while unplugged. Higher is better.
Source: Principled Technologies.
Key takeaways
Current gen vs. current gen: In plugged-in Productivity tests, the HP EliteBook Notebook PC achieved a
score 21.7 percent higher than the Dell Latitude 7430 laptop. During unplugged tests, it received a 57.2
percent higher score.
Current gen vs previous gen: In plugged-in Productivity tests, the HP EliteBook PC notebook achieved
a 10.9 percent higher score than the Dell Latitude 7420 laptop. During unplugged tests, it performed
comparably, with the Dell Latitude 7420 laptop receiving a score 4.6 percent higher.
Unplugged PCMark 10 Productivity rating
Median | Higher is better
7,846
8,211
4,991
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 8
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Note: When comparing plugged-in scores to unplugged scores, we observed that the Dell Latitude laptops
sometimes experienced less performance degradation than the HP EliteBook PC Notebook. In some tests, such
as Cinebench R23, the Dell Latitude laptops yielded better scores while unplugged compared to when they were
plugged in. Small variances are common in such tests, and we believe they do not negatively affect users.
PCMark 10 Applications benchmark
Key takeaways
Current gen vs. current gen: In plugged-in tests, the HP EliteBook Notebook PC performed comparably
to the Dell Latitude 7430 laptop, with the Dell Latitude 7430 receiving a score 7.5 percent higher. During
unplugged tests, the HP EliteBook Notebook PC received a score 23.2 percent higher.
Current gen vs previous gen: In plugged-in tests, the HP EliteBook Notebook PC performed comparably
to the Dell Latitude 7420 laptop, receiving a score 8.8 percent higher. During unplugged tests, the devices
also performed comparably, with the Dell Latitude 7420 laptop achieving a score 1.8 percent higher.
We also ran the PCMark 10 Applications benchmark, which uses Microsoft Office applications to test
performance. As Figure 11 shows, while plugged in, the devices received comparable scores.
Figure 11: Overall ratings as reported by PCMark 10 Applications for the three systems we tested while plugged in. Higher is better.
Source: Principled Technologies.
Plugged-in PCMark 10 Applications overall rating
Median | Higher is better
12,910
11,858
13,883
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
In unplugged tests, the HP EliteBook Notebook PC received a PCMark 10 Applications score comparable to or
higher than the Dell Latitude laptops we tested (see Figure 12).
Figure 12: Overall ratings as reported by PCMark 10 Applications for the three systems we tested while unplugged. Higher is better.
Source: Principled Technologies.
Unplugged PCMark 10 Applications overall rating
Median | Higher is better
10,830
11,032
8,789
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 9
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
3DMark
Key takeaways
Current gen vs. current gen: In plugged-in Fire Strike tests, the HP EliteBook Notebook PC achieved a
score 78.6 percent higher than the Dell Latitude 7430 laptop. During unplugged Time Spy tests, it
achieved a score 80.5 percent higher.
Current gen vs previous gen: In plugged-in Time Spy tests, the HP EliteBook Notebook PC received a
score 64.9 percent higher than the Dell Latitude 7420 laptop. During unplugged Time Spy tests, it
achieved a score 68.5 percent higher.
3DMark, a benchmark designed for gaming, tests the 3D graphics capabilities of devices. It can also help
indicate system performance while running CAD applications.8
The benchmark offers several tests as part of its
portfolio, and we selected the Fire Strike and Time Spy tests, which use the DirectX 11 and DirectX 12 engines,
respectively.9
As Figure 13 shows, while plugged in, the HP EliteBook Notebook PC achieved higher scores in
the 3DMark tests.
Figure 13: Performance ratings as reported by 3DMark for the three systems we tested while plugged in. Higher is better.
Source: Principled Technologies.
Plugged-in 3DMark scores
Median | Higher is better
5,768
3,765
3,229
Fire Strike
2,319
1,406
1,328
Time Spy
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 10
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Figure 14: Performance ratings as reported by 3DMark for the three systems we tested while unplugged. Higher is better.
Source: Principled Technologies.
Unplugged 3DMark scores
Median | Higher is better
5,666
3,972
3,362
Fire Strike
2,398
1,423
1,328
Time Spy
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
During unplugged testing, the HP EliteBook 845 G9 Notebook PC again scored higher than the unplugged Dell
Latitude laptops (see Figure 14).
November 2022 | 11
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Sustained performance and thermal testing
Sometimes, a high-performing processor in a laptop can mean putting up with more heat coming from the
device. For hybrid and remote workers, whose workplace could be anywhereā€”an office, a coffee shop, or even a
living room couchā€”keeping a hot laptop on their laps could be distracting or uncomfortable.
To test thermals, we stressed each systemā€™s processor by running 30 consecutive Cinebench R23 multi-core
workloads on the devices, not allowing them time to cool down between runs. Figure 15 shows the average
Cinebench R23 multi-core scores of the devices during this sustained workload.
Figure 15: Sustained average Cinebench R23 multi-core scores for the three devices we tested. Higher scores are better.
Source: Principled Technologies.
Average Cinebench R23 multi-core scores under a sustained workload
(Higher is better)
10,409
4,083
7,257
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 12
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Not only did the HP EliteBook Notebook PC achieve higher scores under the CPU-intensive Cinebench R23
workload, but it did so while maintaining temperatures comparable to or cooler than the Dell Latitude laptops.
Figure 16 shows the average temperatures we took from each deviceā€™s top hot spot (keyboard deck) and bottom
hot spot (underside chassis) while running the sustained workload.
Figure 16: Temperatures under CPU load, in degrees Celsius, at two hot spots on the devices we tested. Lower numbers are better.
Source: Principled Technologies.
Key takeaways
Current gen vs. current gen: While running as much as 10Ā°C (19Ā°F) cooler, the HP EliteBook Notebook PC
received a Cinebench R23 score 43.4 percent higher than the Dell Latitude 7430 laptop.
Current gen vs previous gen: The HP EliteBook Notebook PC achieved more than twice the Cinebench
R23 score of the Dell Latitude 7420 laptopā€”all while running at temperatures as much as 2Ā°C (4Ā°F) cooler.
The higher Cinebench R23 scores and lower temperatures of the HP EliteBook Notebook PC indicate that it
could stay cooler while delivering better performance on resource-intensive tasks, making it an appealing option
for workers in non-traditional settings.
Thermal performance during a sustained Cinebench R23 workload
Average | Lower is better
39.0Ā°C (102.3Ā°F)
41.5Ā°C (106.7Ā°F)
49.8Ā°C (121.8Ā°F)
Top hot spot
43.2Ā°C (109.7Ā°F)
43.2Ā°C (109.7Ā°F)
49.6Ā°C (121.3Ā°F)
Bottom hot spot
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 13
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Acoustic testing
Key takeaways
Current gen vs. current gen: While idle and while under a CPU-intensive load, the HP EliteBook Notebook
PC and the Dell Latitude 7430 laptop had comparable acoustic output.
Current gen vs previous gen: While idle and while under a CPU-intensive load, HP EliteBook PC notebook
and the Dell Latitude 7430 laptop had comparable acoustic output.
A noisy device can be a distraction for users trying to accomplish their tasks. When we measured the noise levels
of each system while idle and while running a Cinebench R23 multi-core workload, we saw that their average
noise levels were roughly comparable, varying by less than two decibels (see Figure 17).
Figure 17: Acoustics, in average decibels, for the three devices we tested while under the Cinebench R23 multi-core workload and while
idle. Lower numbers are better. Source: Principled Technologies.
Acoustic performance
Decibels | Average | Lower is better
While idle
While running the multi-core workload in Cinebench R23
24.36
24.80
24.43
27.30
28.86
26.63
HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420
November 2022 | 14
Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and
better performance scores while maintaining cool surface temperatures
Conclusion
Selecting a strong device for your workforce can be a challenge. By looking at performance from multiple
angles, you can get a fuller idea of which device could serve them best. During testing with MobileMark 25,
the HP EliteBook 845 G9 Notebook PC demonstrated longer battery life despite its smaller battery capacity. In
plugged-in, unplugged, and sustained performance benchmark testing, it also presented competitive benchmark
scores, cooler overall surface temperatures, and acoustics on par with the previous-gen and current-gen Dell
Latitude laptops we tested. Taking these results together, the HP EliteBook 845 G9 Notebook PC could be a
compelling choice for remote, hybrid, or in-office employees.
1. BapCo, ā€œMobileMarkĀ®
25,ā€ accessed October 6, 2022, https://bapco.com/products/mobilemark-25/
2. AMD, ā€œAMD Ryzenā„¢
Processors with PRO Technologies,ā€ accessed October 6, 2022,
https://www.amd.com/en/products/ryzen-pro-processors-laptop.
3. HP, ā€œHP EliteBook 845,ā€ accessed October 6, 2022,
https://www.hp.com/us-en/shop/mdp/elite-352503--1/hp-elitebook-845-3074457345617503672-1..
4. Maxon, ā€œCinebench,ā€ accessed October 5, 2022, https://www.maxon.net/en/cinebench-tech-info.
5. Spiceworks, ā€œWhen do more processor cores mean better PC performance?ā€ accessed October 5, 2022,
https://community.spiceworks.com/topic/1980594-when-do-more-processor-cores-mean-better-pc-performance.
6. UL Solutions, ā€œPCMark 10 ā€“ The Complete Benchmark,ā€ accessed October 5, 2022,
https://benchmarks.ul.com/pcmark10.
7. UL Solutions, ā€œPCMark 10 ā€“ The Complete Benchmark.ā€
8. Ed Lopategui, ā€œBenchmarks: Time to Put your CAD Workstation to the Test,ā€ accessed October 6, 2022,
https://blog.grabcad.com/blog/2016/03/16/test-your-customized-cad-workstation/.
9. UL Solutions, ā€œ3DMark,ā€ accessed October 6, 2022, https://benchmarks.ul.com/3dmark.
Principled Technologies is a registered trademark of Principled Technologies, Inc.
All other product names are the trademarks of their respective owners.
For additional information, review the science behind this report.
Principled
TechnologiesĀ®
Facts matter.Ā®
Principled
TechnologiesĀ®
Facts matter.Ā®
This project was commissioned by HP & AMD.
Read the science behind this report at https://facts.pt/V2tZ1YG
November 2022 | 15
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better performance scores while maintaining cool surface temperatures

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Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures

  • 1. Over 19Ā°F cooler with better sustained performance*** Work unplugged for over 10 hours in Windows Balanced Mode** Up to 2.58x the PassMark overall rating while unplugged* Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures vs. the Dell Latitude 7430 laptop and the Dell Latitude 7420 laptop A portable and powerful laptop can be a great choice for remote, hybrid, or in-office workers. But deciding which system is best suited to usersā€™ needs is a more complicated task. Benchmarks can give helpful indications about potential performance, but they canā€™t tell the complete story. And, while users can minimize outward distractions, their devicesā€™ noise levels, surface temperatures, or battery warnings could disrupt their focus and productivity. At PT, we used industry-standard benchmarks to compare two current- generation business-class laptops aimed at enterprise users: an HP EliteBook 845 G9 Notebook PC powered by an AMD Ryzenā„¢ 7 PRO processor and a Dellā„¢ Latitudeā„¢ 7430 laptop powered by an IntelĀ® Coreā„¢ i7 processor. For a gen-over-gen comparison, we performed the same tests on a previous-gen Dell Latitude 7420 laptop powered by an Intel Core i7 processor. We ran benchmarks both while the devices were connected to AC power and while they used battery power. Not only did the HP EliteBook 845 G9 Notebook PC deliver longer battery life with a smaller battery, but it also achieved higher benchmark scores while plugged-in and unplugged than both Dell Latitude devices. Additionally, we found that it ran cooler to the touch and output similar acoustic levels under Cinebench R23 multi-core workloads compared to the Dell Latitude systems we tested. *Based on PassMark PerformanceTest 10 results **Based on MobileMarkĀ® 25 battery life scores; scores may differ from other published scores due to differences in system settings ***Based on thermals while under CPU load Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures November 2022 A Principled Technologies report: Hands-on testing. Real-world results.
  • 2. Current gen Dell Latitude 7430 Intel Core i7-1265U processor 10 cores 32GB RAM 512GB SSD 58WHr battery Current gen HP EliteBook 845 G9 AMD Ryzen 7 PRO 6850U processor 8 cores 32GB RAM 512GB SSD 51WHr battery Previous gen Dell Latitude 7420 Intel Core i7-1185G7 processor 4 cores 32GB RAM 512GB SSD 63WHr battery In this report, we visually present data for all three systems together, but where necessary, we include key takeaways that break down the comparisons: the current-gen HP EliteBook Notebook PC vs. the current- gen Dell Latitude 7430 laptop, and the current-gen HP EliteBook Notebook PC vs. the previous-gen Dell Latitude 7420 laptop. We ran the following benchmark tests while the devices were plugged in and unplugged: ā€¢ Cinebench R23 ā€¢ PassMark PerformanceTest 10 ā€¢ PCMark 10 Benchmark Test ā€¢ PCMark 10 Applications Test ā€¢ 3DMark To test battery life, we ran the MobileMark 25 benchmark while the devices were unplugged. For our thermal tests, we ran a CPU-intensive sustained Cinebench R23 multi-core workload and took temperatures on each deviceā€™s keyboard deck (top) and underside of the chassis (bottom) while the devices were under load. We tested acoustics by measuring decibels both while the devices were under a Cinebench R23 multi-core workload and while they were idle. The devices were plugged in during thermal and acoustic testing. Unless we note otherwise, we ran each test three times and report the median result in the pages that follow. For more information on our configurations and details about our testing, see the science behind the report. Putting three laptops to the test We tested the following business laptops: November 2022 | 2 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 3. Battery life testing Whether employees work in an office building or remotely from their kitchen tables, receiving a low battery notification and searching for the nearest power outlet can disrupt a focused workflow. We tested battery life by setting each system to Balanced Mode and running the MobileMark 25 benchmark, which uses real-world productivity applications to complete workday tasks, such as word processing, email, web browsing, and photo editing.1 We saw that the HP EliteBook Notebook PC delivered 10 hours and 26 minutes of battery lifeā€”more than a standard workdayā€”under the MobileMark 25 workload (Figure 1). MobileMark 25 overall battery life in Windows Balanced Mode hours:min | Median | Higher is better 10:26 5:41 9:50 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 51WHr battery 58WHr battery 63WHr battery Figure 1: Overall battery life of the three systems we tested as reported by MobileMark 25. Higher is better. Source: Principled Technologies. Although the HP EliteBook Notebook PC had a smaller battery than both Dell Latitude laptops we tested, it delivered longer battery life. These data suggest better system efficiency from the HP EliteBook Notebook PC, which we show in Figure 2 below. System efļ¬ciency Minutes per WHr | Median | Normalized | Higher is better 12.3 5.4 10.2 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 51WHr battery 58WHr battery 63WHr battery Figure 2: System efficiency of each of the three devices we tested, in minutes of battery life (as measured by the MobileMark 25 benchmark) per WHr. Higher is better. Source: Principled Technologies. Key takeaways Current gen vs. current gen: In MobileMark 25 battery life tests, the HP EliteBook Notebook PC with its 51WHr battery ran 36 minutes longer than the Dell Latitude 7430 laptop with its 63WHr battery. Calculating the WHr per minute, the system was 20.6 percent more efficient. Current gen vs previous gen: In MobileMark 25 battery life tests, the HP EliteBook Notebook PC with its 51WHr battery ran 4 hours and 45 minutes longer than the Dell Latitude 7420 laptop with its 58WHr battery, a difference of 83.5 percent. Calculating the WHr per minute, the system delivered 1.27 times the efficiency of the Dell Latitude 7420 laptop. November 2022 | 3 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 4. Productivity benchmark testing The more responsive a system is, the less time users have to spend waiting for spreadsheets, graphic renders, or other important work to loadā€”and the more time they have to maintain focus on their work. Because no single test can paint a complete picture of a systemā€™s performance and because users work with a variety of apps throughout their day, we used five industry-standard productivity benchmarks to measure different aspects of performance. Taken together, these results show the system responsiveness users might expect during their day- to-day work. Below, we detail our findings for the three systems we tested. Note: Unless we specify otherwise, we show each benchmarkā€™s overall test results below. For a detailed breakdown of each benchmarkā€™s sub-scores, see the science behind the report. About the AMD Ryzen 7 PRO 6850U processor In our testing, the AMD Ryzen 7 PRO 6850U processor powered the HP EliteBook 845 G9 Notebook PC. This processor is part of the AMD Ryzen PRO 6000 Series processor line, which ā€œdeliver superb productivity, enterprise-grade security features, manageability, and reliability features that businesses demand,ā€2 according to AMD. The 6850U model features eight cores, 16 threads, a 16MB L3 cache, and AMD Radeonā„¢ Graphics 680M integrated GPU based on AMD RDNAā„¢ 2 architecture. Learn more at https://www.amd.com/en/product/11666. About the HP Elitebook 845 G9 Notebook PC The HP Elitebook 845 G9 Notebook PC we tested is a 14-inch device that comes equipped with two SODIMM memory slots, an up to 1TB PCIeĀ® NVMeĀ® TLC SSD, and a 5MP privacy camera. The device we tested had 16 GB of DDR5 memory and a 512GB PCIe NVMe SSD. According to HP, this laptop series allows users to ā€œconnect and ease powerfully through your day in almost any setting with the beautifully designed and highly secure HP EliteBook 805 series.ā€3 To learn more, visit https://www.hp.com/ us-en/shop/mdp/elite-352503--1/hp-elitebo ok-845-3074457345617503672-1. November 2022 | 4 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 5. Cinebench R23 multi-core Key takeaways Current gen vs. current gen: In plugged-in tests, the HP EliteBook Notebook PC achieved a 49.9 percent higher score than the Dell Latitude 7430 laptop. During unplugged tests, it offered a score 87.6 percent higher. Current gen vs previous gen: In plugged-in tests, the HP EliteBook Notebook PC reached a score 1.88 times that of the Dell Latitude 7420 laptop. During unplugged tests, it offered a score 1.75 times that of the Dell Latitude 7420 laptop. The Cinebench R23 benchmark measures ā€œif a machine runs stable on a high CPU load, if the cooling solution of a desktop or notebook is sufficient for longer running tasks to deliver the full potential of the CPU, and if a machine is able to handle demanding real-life 3D tasks.ā€4 The multi-core workload tests how a device performs under loads that rely on multiple processors cores, such as video and photo editing, 3D rendering, scientific simulations, and complex spreadsheets.5 While not everyone works on resource-intensive tasks for entire workdays at a time, Cinebench R23 scores give an indication of how a system may perform when these tasks do come up, especially for users who simultaneously work on multiple applications. Figure 3 shows the plugged-in performance we saw from the devices we tested. Figure 3: Multi-core scores as reported by Cinebench R23 for the three systems we tested while plugged in. Higher is better. Source: Principled Technologies. When the HP EliteBook Notebook PC was unplugged, it also achieved higher scores than the other laptops we tested, as Figure 4 shows. Figure 4: Multi-core scores as reported by Cinebench R23 for the three systems we tested while on battery power. Higher is better. Source: Principled Technologies. Plugged-in Cinebench R23 multi-core performance score Median | Higher is better 10,518 3,641 7,015 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 Unplugged Cinebench R23 multi-core performance score Median | Higher is better 10,523 3,826 5,608 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 5 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 6. PassMark PerformanceTest 10 Key takeaways Current gen vs. current gen: In plugged-in tests, the HP EliteBook 845 G9 Notebook PC achieved a 77.2 percent higher score than the Dell Latitude 7430 laptop. During unplugged tests, it delivered a score 92.2 percent higher. Current gen vs previous gen: In plugged-in tests, the HP EliteBook 845 G9 Notebook PC achieved a 74.1 percent higher score than the Dell Latitude 7420 laptop. During unplugged tests, it delivered a score more than twice that of the Dell Latitude 7420 laptop. PassMark PerformanceTest 10 tests several key performance areas, including CPU, 2D and 3D graphics, disk, and memory. Figure 5 shows that during plugged-in testing, the HP EliteBook Notebook PC achieved a better overall PassMark PerformanceTest 10 score than the other laptops we tested. Figure 5: Overall ratings as reported by PassMark PerformanceTest 10 for the three systems we tested while plugged in. Higher is better. Source: Principled Technologies. When we ran PassMark PerformanceTest 10 on the unplugged devices, we also saw a better overall score from the HP EliteBook PC notebook compared to that of either Dell Latitude laptop (see Figure 6). Plugged-in PassMark PerformanceTest 10 overall rating Median | Higher is better 5,852 3,361 3,302 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 Figure 6: Overall ratings as reported by PassMark PerformanceTest 10 for the three systems we tested while unplugged. Higher is better. Source: Principled Technologies. Unplugged PassMark PerformanceTest 10 overall rating Median | Higher is better 5,384 1,500 2,800 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 6 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 7. PCMark 10 benchmark According to UL Solutions, the PCMark 10 benchmark ā€œis ideal for organizations evaluating PCs for a workforce with a range of performance needs,ā€ testing areas such as web browsing, office applications, and digital content creation.6 Figure 7 shows that while the devices were plugged in, the HP EliteBook Notebook PC achieved higher PCMark 10 benchmark overall scores than the Dell Latitude laptops. Figure 7: Overall ratings as reported by PCMark 10 for the three systems we tested while plugged in. Higher is better. Source: Principled Technologies. Testing the unplugged systems revealed that the HP EliteBook Notebook PC performed comparably to the Dell Latitude 7420 laptop and outperformed the Dell Latitude 7430 laptop (see Figure 8). Plugged-in PCMark 10 overall rating Median | Higher is better 6,216 5,205 5,839 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 Figure 8: Overall ratings as reported by PCMark 10 for the three systems we tested while unplugged. Higher is better. Source: Principled Technologies. Key takeaways Current gen vs. current gen: Overall, in plugged-in tests, the HP EliteBook Notebook PC performed comparably to the Dell Latitude 7430 laptop, achieving a score 6.4 percent higher. During unplugged tests, it received a 29.6 percent higher score. Current gen vs previous gen: Overall, in plugged-in tests, the HP EliteBook Notebook PC achieved a 19.4 percent higher score than the Dell Latitude 7420 laptop. During unplugged tests, it performed comparably, yielding a score 1.5 percent higher. Unplugged PCMark 10 overall rating Median | Higher is better 5,545 4,277 5,462 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 7 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 8. In Figures 9 and 10, we highlight the scores from the Productivity test group of the PCMark 10 benchmark. This test group measures performance using everyday applications with workloads that include spreadsheets and writing work.7 The performance advantages from the HP EliteBook Notebook PC indicate that users could experience better responsiveness when using office applications at their desks or on the go. For more sub-score results, see the science behind the report. Figure 9: Productivity ratings as reported by PCMark 10 for the three systems we tested while plugged in. Higher is better. Source: Principled Technologies. Similarly, users working with their laptops unplugged could see comparable performanceā€”the Dell Latitude 7420 laptop yielded a score 4.6 percent higherā€”or improved performance from the HP EliteBook Notebook PC, with a score 57.2 percent higher than that of the Dell Latitude 7430 laptop. Plugged-in PCMark 10 Productivity rating Median | Higher is better 9,129 8,225 7,496 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 Figure 10: Productivity ratings as reported by PCMark 10 for the three systems we tested while unplugged. Higher is better. Source: Principled Technologies. Key takeaways Current gen vs. current gen: In plugged-in Productivity tests, the HP EliteBook Notebook PC achieved a score 21.7 percent higher than the Dell Latitude 7430 laptop. During unplugged tests, it received a 57.2 percent higher score. Current gen vs previous gen: In plugged-in Productivity tests, the HP EliteBook PC notebook achieved a 10.9 percent higher score than the Dell Latitude 7420 laptop. During unplugged tests, it performed comparably, with the Dell Latitude 7420 laptop receiving a score 4.6 percent higher. Unplugged PCMark 10 Productivity rating Median | Higher is better 7,846 8,211 4,991 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 8 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 9. Note: When comparing plugged-in scores to unplugged scores, we observed that the Dell Latitude laptops sometimes experienced less performance degradation than the HP EliteBook PC Notebook. In some tests, such as Cinebench R23, the Dell Latitude laptops yielded better scores while unplugged compared to when they were plugged in. Small variances are common in such tests, and we believe they do not negatively affect users. PCMark 10 Applications benchmark Key takeaways Current gen vs. current gen: In plugged-in tests, the HP EliteBook Notebook PC performed comparably to the Dell Latitude 7430 laptop, with the Dell Latitude 7430 receiving a score 7.5 percent higher. During unplugged tests, the HP EliteBook Notebook PC received a score 23.2 percent higher. Current gen vs previous gen: In plugged-in tests, the HP EliteBook Notebook PC performed comparably to the Dell Latitude 7420 laptop, receiving a score 8.8 percent higher. During unplugged tests, the devices also performed comparably, with the Dell Latitude 7420 laptop achieving a score 1.8 percent higher. We also ran the PCMark 10 Applications benchmark, which uses Microsoft Office applications to test performance. As Figure 11 shows, while plugged in, the devices received comparable scores. Figure 11: Overall ratings as reported by PCMark 10 Applications for the three systems we tested while plugged in. Higher is better. Source: Principled Technologies. Plugged-in PCMark 10 Applications overall rating Median | Higher is better 12,910 11,858 13,883 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 In unplugged tests, the HP EliteBook Notebook PC received a PCMark 10 Applications score comparable to or higher than the Dell Latitude laptops we tested (see Figure 12). Figure 12: Overall ratings as reported by PCMark 10 Applications for the three systems we tested while unplugged. Higher is better. Source: Principled Technologies. Unplugged PCMark 10 Applications overall rating Median | Higher is better 10,830 11,032 8,789 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 9 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 10. 3DMark Key takeaways Current gen vs. current gen: In plugged-in Fire Strike tests, the HP EliteBook Notebook PC achieved a score 78.6 percent higher than the Dell Latitude 7430 laptop. During unplugged Time Spy tests, it achieved a score 80.5 percent higher. Current gen vs previous gen: In plugged-in Time Spy tests, the HP EliteBook Notebook PC received a score 64.9 percent higher than the Dell Latitude 7420 laptop. During unplugged Time Spy tests, it achieved a score 68.5 percent higher. 3DMark, a benchmark designed for gaming, tests the 3D graphics capabilities of devices. It can also help indicate system performance while running CAD applications.8 The benchmark offers several tests as part of its portfolio, and we selected the Fire Strike and Time Spy tests, which use the DirectX 11 and DirectX 12 engines, respectively.9 As Figure 13 shows, while plugged in, the HP EliteBook Notebook PC achieved higher scores in the 3DMark tests. Figure 13: Performance ratings as reported by 3DMark for the three systems we tested while plugged in. Higher is better. Source: Principled Technologies. Plugged-in 3DMark scores Median | Higher is better 5,768 3,765 3,229 Fire Strike 2,319 1,406 1,328 Time Spy HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 10 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 11. Figure 14: Performance ratings as reported by 3DMark for the three systems we tested while unplugged. Higher is better. Source: Principled Technologies. Unplugged 3DMark scores Median | Higher is better 5,666 3,972 3,362 Fire Strike 2,398 1,423 1,328 Time Spy HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 During unplugged testing, the HP EliteBook 845 G9 Notebook PC again scored higher than the unplugged Dell Latitude laptops (see Figure 14). November 2022 | 11 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 12. Sustained performance and thermal testing Sometimes, a high-performing processor in a laptop can mean putting up with more heat coming from the device. For hybrid and remote workers, whose workplace could be anywhereā€”an office, a coffee shop, or even a living room couchā€”keeping a hot laptop on their laps could be distracting or uncomfortable. To test thermals, we stressed each systemā€™s processor by running 30 consecutive Cinebench R23 multi-core workloads on the devices, not allowing them time to cool down between runs. Figure 15 shows the average Cinebench R23 multi-core scores of the devices during this sustained workload. Figure 15: Sustained average Cinebench R23 multi-core scores for the three devices we tested. Higher scores are better. Source: Principled Technologies. Average Cinebench R23 multi-core scores under a sustained workload (Higher is better) 10,409 4,083 7,257 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 12 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 13. Not only did the HP EliteBook Notebook PC achieve higher scores under the CPU-intensive Cinebench R23 workload, but it did so while maintaining temperatures comparable to or cooler than the Dell Latitude laptops. Figure 16 shows the average temperatures we took from each deviceā€™s top hot spot (keyboard deck) and bottom hot spot (underside chassis) while running the sustained workload. Figure 16: Temperatures under CPU load, in degrees Celsius, at two hot spots on the devices we tested. Lower numbers are better. Source: Principled Technologies. Key takeaways Current gen vs. current gen: While running as much as 10Ā°C (19Ā°F) cooler, the HP EliteBook Notebook PC received a Cinebench R23 score 43.4 percent higher than the Dell Latitude 7430 laptop. Current gen vs previous gen: The HP EliteBook Notebook PC achieved more than twice the Cinebench R23 score of the Dell Latitude 7420 laptopā€”all while running at temperatures as much as 2Ā°C (4Ā°F) cooler. The higher Cinebench R23 scores and lower temperatures of the HP EliteBook Notebook PC indicate that it could stay cooler while delivering better performance on resource-intensive tasks, making it an appealing option for workers in non-traditional settings. Thermal performance during a sustained Cinebench R23 workload Average | Lower is better 39.0Ā°C (102.3Ā°F) 41.5Ā°C (106.7Ā°F) 49.8Ā°C (121.8Ā°F) Top hot spot 43.2Ā°C (109.7Ā°F) 43.2Ā°C (109.7Ā°F) 49.6Ā°C (121.3Ā°F) Bottom hot spot HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 13 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 14. Acoustic testing Key takeaways Current gen vs. current gen: While idle and while under a CPU-intensive load, the HP EliteBook Notebook PC and the Dell Latitude 7430 laptop had comparable acoustic output. Current gen vs previous gen: While idle and while under a CPU-intensive load, HP EliteBook PC notebook and the Dell Latitude 7430 laptop had comparable acoustic output. A noisy device can be a distraction for users trying to accomplish their tasks. When we measured the noise levels of each system while idle and while running a Cinebench R23 multi-core workload, we saw that their average noise levels were roughly comparable, varying by less than two decibels (see Figure 17). Figure 17: Acoustics, in average decibels, for the three devices we tested while under the Cinebench R23 multi-core workload and while idle. Lower numbers are better. Source: Principled Technologies. Acoustic performance Decibels | Average | Lower is better While idle While running the multi-core workload in Cinebench R23 24.36 24.80 24.43 27.30 28.86 26.63 HP EliteBook 845 G9 Dell Latitude 7430 Dell Latitude 7420 November 2022 | 14 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures
  • 15. Conclusion Selecting a strong device for your workforce can be a challenge. By looking at performance from multiple angles, you can get a fuller idea of which device could serve them best. During testing with MobileMark 25, the HP EliteBook 845 G9 Notebook PC demonstrated longer battery life despite its smaller battery capacity. In plugged-in, unplugged, and sustained performance benchmark testing, it also presented competitive benchmark scores, cooler overall surface temperatures, and acoustics on par with the previous-gen and current-gen Dell Latitude laptops we tested. Taking these results together, the HP EliteBook 845 G9 Notebook PC could be a compelling choice for remote, hybrid, or in-office employees. 1. BapCo, ā€œMobileMarkĀ® 25,ā€ accessed October 6, 2022, https://bapco.com/products/mobilemark-25/ 2. AMD, ā€œAMD Ryzenā„¢ Processors with PRO Technologies,ā€ accessed October 6, 2022, https://www.amd.com/en/products/ryzen-pro-processors-laptop. 3. HP, ā€œHP EliteBook 845,ā€ accessed October 6, 2022, https://www.hp.com/us-en/shop/mdp/elite-352503--1/hp-elitebook-845-3074457345617503672-1.. 4. Maxon, ā€œCinebench,ā€ accessed October 5, 2022, https://www.maxon.net/en/cinebench-tech-info. 5. Spiceworks, ā€œWhen do more processor cores mean better PC performance?ā€ accessed October 5, 2022, https://community.spiceworks.com/topic/1980594-when-do-more-processor-cores-mean-better-pc-performance. 6. UL Solutions, ā€œPCMark 10 ā€“ The Complete Benchmark,ā€ accessed October 5, 2022, https://benchmarks.ul.com/pcmark10. 7. UL Solutions, ā€œPCMark 10 ā€“ The Complete Benchmark.ā€ 8. Ed Lopategui, ā€œBenchmarks: Time to Put your CAD Workstation to the Test,ā€ accessed October 6, 2022, https://blog.grabcad.com/blog/2016/03/16/test-your-customized-cad-workstation/. 9. UL Solutions, ā€œ3DMark,ā€ accessed October 6, 2022, https://benchmarks.ul.com/3dmark. Principled Technologies is a registered trademark of Principled Technologies, Inc. All other product names are the trademarks of their respective owners. For additional information, review the science behind this report. Principled TechnologiesĀ® Facts matter.Ā® Principled TechnologiesĀ® Facts matter.Ā® This project was commissioned by HP & AMD. Read the science behind this report at https://facts.pt/V2tZ1YG November 2022 | 15 Choose the HP EliteBook 845 G9 Notebook PC for longer battery life and better performance scores while maintaining cool surface temperatures