Quote Originally Posted by SparkyJJO View Post
Any CPU is like that... 64 bit OS is more stressful than 32 bit OS, since it uses the entire CPU. 32 bit like XP doesn't quite use the whole CPU so it is easier to get a higher overclock on 32 bit XP or Vista than 64 bit.
I never noticed this with any of my intel cpu's, I am guessing this is due to the difference in the way that intel and AMD handle instructions for 64 bit?