AMD’s 90nm Athlon 64s have been almost everything that the enthusiast community has wanted them to be. Being little more than a die shrink, the 90nm chips are cooler, can run faster, and are cheaper to make than their 130nm counterparts. But the improvements didn’t stop with the move to 90nm. More recently, AMD has released their Revision E 90nm Athlon 64 cores, which featured a number of small improvements.
This is the reason I could hit DDR600 in our latest review. Check out the full article at AnandTech.