Quote Originally Posted by mstp2009 View Post
BS. On average, C2D is 20% faster than K8 in 32-bit code and 14% faster in 64-bit code.

And the corollary is also true. In some things C2D is far more than 20% faster than K8. I know that in Folding@Home it is about 70-80% faster because of the SSE optimizations to that program.
Based on what ?