My 950MHz OC'ed to 1.1GHz Athlon runs circles around a freind of mines 1.6GHz P4. We have the same memory and video cards so we can do a fair comparison. He can edge me out by a hair on some business apps. For games, my systems outruns it in framerate and graphics quality hands down. I'll never go back unless Intel makes a ground breaking leap in 3D.