| CPU | Power/Watts | Score | Price/£ | w/Mobo+RAM | Price | Score | Energy | Total | Overall |
| Intel Pentium 4 1500MHz | 57.8W | 177 | |||||||
| Intel Celeron 430 1.8GHz | 35W | 532 | 27.16 | £93.43 | 4 | 8 | 3 | 15 | 5 |
| Intel Celeron E1500 2.2GHz DC | 65W | 1208 | 34.63 | £100.90 | 5 | 4 | 5 | 14 | 4 |
| Intel Celeron E3300 2.5GHz DC | 65W | 1658 | 42.61 | £108.88 | 7 | 1 | 5 | 13 | 3 |
| Intel Atom 330 1.6GHz DC | 8W | 630 | £85.11 | 1 | 7 | 2 | 10 | 1 | |
| Intel Atom D510 1.67GHz DC (w/GFX) | 13W | 653 | £90.84 | 3 | 6 | 1 | 10 | 1 | |
| AMD Sempron 140 2.7GHz | 45W | 887 | 25.83 | £89.48 | 2 | 5 | 4 | 11 | 2 |
| AMD Athlon X2 5000+ 2.2GHz | 65W | 1333 | 40.54 | £104.19 | 6 | 3 | 5 | 14 | 4 |
| AMD Athlon X2 240 2.8GHz | 65W | 1611 | 44.89 | £108.54 | 8 | 2 | 5 | 15 | 5 |
| Intel Pentium D 805 2.66GHz | 95W | 678 | |||||||