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Low-Power PCs: Results from a Comparative Research in Kenya, Nigeria and Zimbabwe   Ugo Vallauri Computer Aid International
Computer Aid International <ul><li>The world's largest not-for-profit provider of practical ICT solutions for development ...
Why low-power ?
Energy in Sub-Saharan Africa:  main problems <ul><ul><li>Low rates of electrification especially in rural areas: </li></ul...
Which low-power solution? <ul><ul><li>All manufacturers claim to provide the best solution. </li></ul></ul><ul><ul><li>Nee...
First Round: UK lab testing <ul><ul><li>8 solutions tested, 5 selected for further testing in Africa </li></ul></ul><ul><u...
Second Round: tests in African Universities <ul><ul><li>Testing institutions: Kenyatta University (Kenya), Jos University ...
Power Consumption - results
Performance - results
Performance – in depth
Test Methodology Software used - Word processor - Spreadsheet  - Video playing  - File transfer - Web browser Power and ti...
Overall Preferred Solution
Total Cost of Ownership School Lab with 20 concurrent users Model Asus Eee PC Ncomputing X300 Computer Aid New Desktop PC ...
Discussion <ul><ul><li>Asus Eee PC is the overall winner </li></ul></ul><ul><ul><li>Ncomputing X300 is appreciated for equ...
Contacts Ugo Vallauri Technical R&D Officer Computer Aid International www.computeraid.org POBOX 1491-00100 Nairobi, Kenya...
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Low-Power PCs: Results from a Comparative Research in Kenya, Nigeria and Zimbabwe

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Ugo Vallauri's presentation at eLearning-Africa 2009 on Computer Aid's research project on low-power PCs. For more information on the research, download the full report on the same at www.computeraid.org

Published in: Technology, Business
  • Thanks for your comments.

    As for the comment on the OLPC, I would like to clarify that the OLPC won as least power hungry PC, but not for its performance (in terms of speed), which was not comparable with the other tested solutions.

    The project didn't aim to assess the pedagogical value of low-power PCs, rather to test them for power consumption, performance, usability and cost.

    You can download the full report at www.computeraid.org
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  • It's odd that the OLPC was far and away the fastest at the in-country performance tests but got slated on performance in the UK. Perhaps it's the UK testers that had problem with the interface, not the target audience :).

    And it's a shame that pedagogical impact or applicability was completely untested. If the tests had included 'share a video with your friends' or 'collaboratively edit a document' - both mainstays of a collaborative curriculum -- the results would have been very different.
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  • Great work! Really interesting :)
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Low-Power PCs: Results from a Comparative Research in Kenya, Nigeria and Zimbabwe

  1. 1. Low-Power PCs: Results from a Comparative Research in Kenya, Nigeria and Zimbabwe Ugo Vallauri Computer Aid International
  2. 2. Computer Aid International <ul><li>The world's largest not-for-profit provider of practical ICT solutions for development </li></ul><ul><li>More than 140,000 PCs shipped in over 100 countries </li></ul><ul><li>Currently providing 100% Pentium 4 PCs </li></ul>
  3. 3. Why low-power ?
  4. 4. Energy in Sub-Saharan Africa: main problems <ul><ul><li>Low rates of electrification especially in rural areas: </li></ul></ul><ul><ul><li>Kenya: 14%, Nigeria 46%, Senegal 33% </li></ul></ul><ul><ul><li>Unreliable power supply </li></ul></ul><ul><ul><li>Cost of renewable energy alternatives </li></ul></ul>
  5. 5. Which low-power solution? <ul><ul><li>All manufacturers claim to provide the best solution. </li></ul></ul><ul><ul><li>Need for independent tests based on: power consumption, performances and functionality </li></ul></ul><ul><ul><li>Computer Aid’s initiative in partnership with: ZDNet and Universities in Kenya, Nigeria and Zimbabwe </li></ul></ul>
  6. 6. First Round: UK lab testing <ul><ul><li>8 solutions tested, 5 selected for further testing in Africa </li></ul></ul><ul><ul><li>1 desktop: Inveneo Computing Station </li></ul></ul><ul><ul><li>1 thin client: Ncomputing X300 </li></ul></ul><ul><ul><li>3 notebooks: Asus Eee PC, OLPC XO, Intel Classmate </li></ul></ul>
  7. 7. Second Round: tests in African Universities <ul><ul><li>Testing institutions: Kenyatta University (Kenya), Jos University (Nigeria) and NUST (Zimbabwe) </li></ul></ul><ul><ul><li>Tests adapted to capture realistic needs </li></ul></ul><ul><ul><li>Additional tests on power consumption and performance </li></ul></ul><ul><ul><li>Difficulties due to power shortages in partner institutions </li></ul></ul>
  8. 8. Power Consumption - results
  9. 9. Performance - results
  10. 10. Performance – in depth
  11. 11. Test Methodology Software used - Word processor - Spreadsheet - Video playing - File transfer - Web browser Power and time performance measured by a voltmeter plugged to an additional PC
  12. 12. Overall Preferred Solution
  13. 13. Total Cost of Ownership School Lab with 20 concurrent users Model Asus Eee PC Ncomputing X300 Computer Aid New Desktop PC Power 240W 800W 1900W 1900W Cost $5,250 $3,730 $2,760 $12,000 Lowest power , High cost Low power, Low cost High power, Lowest cost High power, Highest cost
  14. 14. Discussion <ul><ul><li>Asus Eee PC is the overall winner </li></ul></ul><ul><ul><li>Ncomputing X300 is appreciated for equipping classrooms </li></ul></ul><ul><ul><li>R efurbished PCs are the most affordable solution when reliable mains electricity is available </li></ul></ul><ul><ul><li>Download the full report on Computer Aid's website: http://www.computeraid.org </li></ul></ul>
  15. 15. Contacts Ugo Vallauri Technical R&D Officer Computer Aid International www.computeraid.org POBOX 1491-00100 Nairobi, Kenya [email_address] tel:+254-736-815961

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