NVIDIA GeForce 7800 GTX: New Architecture Exposed (page 6)
http://www.xbitlabs.com/articles/vi...-indepth_6.html

...To load the graphics cards with work we launched the most complex of 3DMark05’s tests, that is the third one, and had it running in a loop in 1600x1200 resolution, with enabled 4x full-screen antialiasing and 16x anisotropic filtering. The results are quite interesting: the GeForce 7800 GTX with its 302 million transistors, 24 pixel pipelines and 430MHz frequency consumed 80.7 watts under that load, while the much simpler GeForce 6800 Ultra had a consumption of 77.3 watts....

上面這段話，簡單說就是在該網站的 3DMark05 測試下， GeForce 7800 GTX 吃掉 80.7 瓦特，比 GeForce 6800 Ultra 的 77.3 瓦特少三瓦。