The document compares the specifications of the 11-inch and 13-inch MacBook Air notebooks. Both models have LED-backlit glossy displays in different sizes, lightweight aluminum construction, flash storage options, Intel Core i5 or i7 processors, integrated graphics, FaceTime cameras, USB 2.0 and Thunderbolt ports, long battery life, Wi-Fi and Bluetooth connectivity, and stereo speakers. The main differences are the 11-inch has a smaller and lower resolution display while the 13-inch has a larger and higher resolution display as well as an SD card slot.

1. vs

2. 11‐inch MacBook Air 13‐inch MacBook Air
Display
High‐resolution LED‐
backlit glossy widescreen
display with support for
millions of colors.
11.6‐inch (diagonal) high‐resolution LED‐ 13.3‐inch (diagonal) high‐resolution LED‐
backlit glossy widescreen display with backlit glossy widescreen display with
support for millions of colors support for millions of colors
Supported resolutions: Supported resolutions:
1366 by 768 (native), 1344 by 756, and 1280 by 720 1440 by 900 (native), 1280 by 800, 1152 by 720, and
pixels at 16:9 aspect ratio; 1152 by 720 and 1024 by 1024 by 640 pixels at 16:10 aspect ratio; 1024 by 768
640 pixels at 16:10 aspect ratio; 1024 by 768 and 800 and 800 by 600 pixels at 4:3 aspect ratio
by 600 pixels at 4:3 aspect ratio
Size and Weight
Ultrathin and ultralight
unibody aluminum
construction Height: 0.11‐0.68 inch (0.3‐1.7 cm) Height: 0.11‐0.68 inch (0.3‐1.7 cm)
Width: 11.8 inches (30 cm) Width: 12.8 inches (32.5 cm)
Depth: 7.56 inches (19.2 cm) Depth: 8.94 inches (22.7 cm)
Weight: 2.38 pounds (1.08 kg) Weight: 2.96 pounds (1.35 kg)

3. 11‐inch MacBook Air 13‐inch MacBook Air
Storage 64GB 128GB 128GB 256GB
All‐flash storage.
64GB flash 128GB flash 128GB flash 256GB flash
storage storage storage storage
Configurable to
256GB flash storage,
only at the Apple
Online Store.
Processor and Processor Processor
1.6GHz dual‐core Intel Core i5 with 3MB 1.7GHz dual‐core Intel Core i5 with 3MB
Memory shared L3 cache shared L3 cache
Powered by a dual‐core $1199 model configurable to dual‐core 1.8GHz $1599 model configurable to dual‐core 1.8GHz
Intel Core i5 and i7 Intel Core i7 with 4MB shared L3 cache, only at Intel Core i7 with 4MB shared L3 cache, only at
processors and DDR3 the Apple Online Store. the Apple Online Store.
memory.
Memory Memory
2GB ($999 model) or 4GB ($1199 model) 4GB of 1333MHz DDR3 onboard memory
of 1333MHz DDR3 onboard memory
$999 model configurable to 4GB, only at the
Apple Online Store.

4. 11‐inch MacBook Air 13‐inch MacBook Air
Graphics
Advanced Intel HD Intel HD Graphics 3000 processor with Intel HD Graphics 3000 processor with
Graphics 3000. 256MB ($999 model) or 384MB ($1199 384MB of DDR3 SDRAM shared with main
model) of DDR3 SDRAM shared with main memory
memory
Video Support and
Camera  camera
 FaceTime Dual display and video mirroring: Simultaneously supports full
Built‐in FaceTime camera.
native resolution on the built‐in display and up to 2560 by 1600
pixels on an external display, both at millions of colors

5. 11‐inch MacBook Air 13‐inch MacBook Air
Connections and
Expansion
USB 2.0, Thunderbolt,
headphone port, MagSafe
power port, SD card slot
(13‐inch model).
 Two USB 2.0 ports (up to 480 Mbps)  Two USB 2.0 ports (up to 480 Mbps)
 Thunderbolt port  Thunderbolt port
 SD card slot
Battery and Power
Advanced lithium ‐ Wireless web Wireless web
polymer battery with Up to 5 hours Up to 7 hours
MaagSafe power adapter. Standby time Standby time
Up to 30 days Up to 30 days
35‐watt‐hour; 45W MagSafe Power Adapter 50‐watt‐hour; 45W MagSafe Power Adapter
with cable management system; MagSafe with cable management system; MagSafe
power Port power Port

6. 11‐inch MacBook Air 13‐inch MacBook Air
Wireless Wi‐Fi
Latest Wi‐Fi and Bluetooth 802.11n Wi‐Fi wireless networking; IEEE 802.11a/b/g compatible
technologies.
Bluetooth
Bluetooth 4.0 wireless technology
Audio  Stereo speakers
Stereo speakers,  Omnidirectional microphone
microphone, and  Headphone port
headphone.  Support for Apple Earphones with Remote and Mic
Electrical and  Line voltage: 100‐240V AC
Operating  Frequency: 50Hz to 60Hz
Requirements  Operating temperature: 50° to 95° F (10° to 35° C)
 Storage temperature: ‐13° to 113° F (‐24° to 45° C)
 Relative humidity: 0% to 90% noncondensing
 Maximum operating altitude: 10,000 feet
 Maximum storage altitude: 15,000 feet
 Maximum shipping altitude: 35,000 feet

8. Model ASUS ZENBOOK™ UX21 (Ultrabook™) ASUS ZENBOOK™ UX31 (Ultrabook™)
CPU Intel® Core™ i7 2677M Processor Intel® Core™ i7 2677M Processor
Intel® Core™ i5 2467M Processor Intel® Core™ i5 2557M Processor
Intel® Core™ i3 2367M Processor
Operating System Genuine Windows® 7 Professional 64bit Genuine Windows® 7 Professional 64bit
Genuine Windows® 7 Home Premium 64 bit Genuine Windows® 7 Home Premium 64 bit
Genuine Windows® 7 Home Basic 64 bit Genuine Windows® 7 Home Basic 64 bit
This version contains all product updates (SP1) This version contains all product updates (SP1)
Z‐height 3mm at the front; 9mm at the rear 3mm at the front; 9mm at the rear
Main Memory DDR3 1333MHz 2GB/4GB (on board) DDR3 1333MHz 4GB (on board)
Screen 11.6 (16:9) 13.3 (16:9)
Backlight/ 450 nits HD 1366x768 450 nits HD+ 1600X900
Resolution
Instant on Always resume in 2 seconds Always resume in 2 seconds
USB charger+ Y Y
I/O port 6 (USB2.0 / USB3.0 / audio jack / DC jack / microHDMI / 7 (USB2.0 / USB3.0 / audio jack / DC jack / microHDMI /
miniVGA) miniVGA / SD card reader)
USB3.0 1 Port 1 Port
SSD Generation SATAIII SSD (64G/128G/256G) SATAIII SSD (128G/256G)
BT Bluetooth 4.0 Bluetooth 4.0
Battery 35W (5+ hrs) 50W (7+hrs)
Mic MEMS MIC (Digital MIC) MEMS MIC (Digital MIC)
Keyboard 268 Chiclit KB 286 Chiclit KB
Camera 0.3M 0.3M
Audio Bang & Olufsen ICEpower® SonicMaster Bang & Olufsen ICEpower® SonicMaster

9. Inside ASUS ZENBOOK™
Inside Apple MacBook Air

10.  Intel QS67 PCH  Intel Core i5/i7 processor
 LT3857
 Intel DSL2310
 Genesys GL822

11.  TI TPS51980
 SMSC 2513B USB hub
 4GB DDR3
 Renesas F2117LP  MAXIM 15092
 Pericom PI3VeDP212ZLE
 NXP 1112/A
 Parade PS8301

13. Manufacturer Device Function
▼Processor
Intel Intel Core i5 and i7 processor Processor + Intel HD 3000 graphics
▼Memory
DDR3 DDR3 SDRAM on board System/video memory; 2GB/4GB density
▼Chipset
Intel Intel QS67 PCH PCH
▼Radio Frequency
Broadcom BCM943224PCIEBT2 ‧Broadcom BCM43224 and BCM20702
‧802.11n WiFi + Bluetooth 4.0
▼EC
Renesas F2117LP System power management controller
▼Audio
Cirrus Logic Cirrus 4206ACNA HD Audio codec
▼Storage
SAMSUNG SAMSUNG NFC + SAMSUNG NF SATA SSD
Genesys GL822 SD card reader controller; for MacBook Air 13.3” only
▼User Inputs
Broadcom Broadcom BCM5976A0K Multi-touch capabilities on the trackpad
Cypress CY8C24794-24L CapSense Controllers

14. Manufacturer Device Function
▼Others
SMSC USB2513B USB 2.0 hub
Texas Instruments TPS51980
Intel DSL2310 Thunderbolt controller
Parade PS8301 DisplayPort™ redriver
NXP NXP 1112 /A 11181B
2-lane DisplayPort™ Switch/Mux for DP Driven Panels with
Pericom PI3VeDP212ZLE
Triple Control Pins
MAXIM 15092G
Linear Technology 3857

15.  Fairchild PBKAF FBKFJ FDMC 7696
 Fairchild PBKAF FDMC 0310AS
 Richtek RT8166B
4GB DDR3 system memory
 Intel Core i3/i5/i7 mobile processor
 SATA, ADATA XM11 SSD/SanDisk SSD
 Intel QS67 PCH
 Texas Instruments BQ24740;
Multi‐Cell Synchronous Switch‐mode Battery Charger
 minicard slot;
AzureWave AW‐NB086 WiFi/BT combo module

16. 4GB DDR3 system memory
 ITE IT8572G embedded controller
 Fresco Logic FL1000‐2Q0; USB 3.0 controller
 Richtek RT8206A

18. Manufacturer Device Function
▼Processor
Intel Intel Core i3/i5/i7 processor Processor + Intel HD 3000 graphics
▼Memory
Elpida Elpida J4216BASE-DJ-F 4GB, onboard DDR3 system memory
▼Chipset
Intel Intel QS67 PCH
▼Radio Frequency
AzureWave AzureWave AW-NB086 Atheros AR9004WB-1NG
‧Atheros AR9485 and AR3012
‧802.11n WiFi + Bluetooth 4.0
▼EC
ITE IT8572G System power management controller
▼Audio
Realtek ALC269 HD Audio codec

19. Manufacturer Device Function
▼Storage
ADATA/SanDisk XM11 SSD(128GB)/SanDisk(256GB) SandForce SF-2281VB1 SATA SSD controller
▼User Inputs
ELAN 33200V-3600 1139 BW118V1 Touchpad controller
▼Others
FDMC7696
Fairchild
FDMC0310AS
Fresco Logic FL1000 USB 3.0 host controller
Texas Instruments BQ24740 Multi-Cell Synchronous Switch-mode Battery Charger
Macronix MX25L3206E 32M-BIT CMOS serial flash
RT8166B
Richtek
RT8206A High-Efficiency, Main Power Supply Controller for Notebook Computers
Linear Technology 3857

20. ASUS ZENBOOK vs Apple MacBook Air
Manufacturer ASUS ZENBOOK Apple MacBook Air Function
▼Processor
Intel CPU Intel® Core™ i7 2677M Processor Intel® Core™ i5/i7 Processor
Intel® Core™ i5 2557M Processor
Processor + Intel HD 3000 graphics
Intel® Core™ i5 2467M Processor
Intel® Core™ i3 2367M Processor
▼Memory
DDR3 8 pcs DDR3 memory chip; 8/16pcs DDR3 memory chip;
DDR3 system memory; on board design
4GB density 2GB/4GB density
▼Chipset
Intel PCH Intel QS67 PCH
▼Radio Frequency
AzureWave AzureWave AW-NB086(Atheros Broadcomm BCM943224PCIEBT2
AR9004WB-1NG) ‧Broadcom BCM43224 and
WiFi/BT function
‧Atheros AR9485 and AR3012 BCM20702
‧802.11n WiFi + Bluetooth 4.0 ‧802.11n WiFi + Bluetooth 4.0

21. ASUS ZENBOOK vs Apple MacBook Air
Manufacturer ASUS ZENBOOK Apple MacBook Air Function
▼EC
Embedded ITE IT8572G Renesas F2117LP
System power management controller
Controller
▼Audio
HD Audio Realtek ALC269 Cirrus Logic Cirrus 4206ACNA HD Audio codec
▼Storage
mSATA SSD ADATA XM11 SSD(128GB) SAMSUNG/Toshiba SSD
SATA SSD
/SanDisk(256GB)
Card Reader Unknown Genesys GL822 Card reader controller is inside 13.3"
system only
▼User Inputs
Touch PAD ELAN 33200V-3600 1139 Broadcom BCM5976A0K
Touch pad controller
BW118V1 Cypress CY8C24794-24L
▼Others
USB 2.0 Hub N/A SMSC USB2513B USB 2.0 Hub
Fresco Logic Fresco Logic FL1000 N/A USB 3.0 Host controller
Intel DSL2310
Pericom PI3VeDP212ZLE
Thunderbolt N/A Thunderbolt
NXP 1112 /A 11181B
Parade PS8301