Quote Originally Posted by Aten-Ra View Post
Theoretically you are right, one core (Single thread) can issue, execute, result 4 micro-ops meaning it could use all the FP pipes (2x FMACs + 2x MMX). But i find it very hard if it could sustain it in real world usage.
The point is that pure single thread fp performance is going to be higher than MT fp performance(divided by number of cores). On top of that comes turbo mode.