Quote Originally Posted by deathman20 View Post
If the 8800GTX puts out 178W so to say at max and the 2900XT can use a max of 225W (max the power connectors will do with the 2x 6-Pins). The 8800GTX has 26.4% less heat than the 2900XT or the 2900XT has 20.9% more heat than the 8800GTX.
But the 8800GTX aint 178W..its far far from it.

http://www.xbitlabs.com/articles/vid...roundup_6.html