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

1. Low-Power PCs: Results from a Comparative Research in Kenya, Nigeria and Zimbabwe Ugo Vallauri Computer Aid International

3. Why low-power ?

8. Power Consumption - results

9. Performance - results

10. Performance – in depth

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. Overall Preferred Solution

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

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