We'll have to wait 'til the guys at SilentPCReview.com repeat the experiment with a more reasonibly sized PSU to find out!

Shouldn't be a surprise. We all know the 945G is the weakest part of the Atom platform.

However, you have to take the results with a grain of salt. Toms used a 850W power supply according to their article, which means 5% load. Both systems would have used less power with a more appropriately sized power supply.

AMD would still be lower, the margin would change.