09-06-2010, 08:08 AM
It will still be utilized at 80%. This percentage has nothing to do with clock speed but with how threading works. No matter if you have 2 Ghz or 8 Ghz, PCSX2 will NOT use more than 80-90% of your processor (depending on the case each time), assuming you're not getting full speed else it would be even lower with the frame limiter on.