AMD's 65nm Athlon 64 X2 Processors @ TR
Posted on: 12/20/2006 03:49 PM

Scott "Dr. Damage" Wasson from the Tech Report has posted his look at AMD's new 65nm Athlon 64 X2 processors. While the die-shrink hasn't done anything to increase performance, it seems to have (pretty dramatically) helped in the power consumption department.
Our aim in the following tests is two-fold: to determine how much the conversion to 65nm has affected the energy efficiency of the Athlon 64 X2, and to see how much overclocking headroom these new parts have. We're not really testing performance today, so consider this a down payment on a future CPU comparo that has performance in its scope.
Using the A64 X2 5000+ as an example shows that the new 65nm parts use a few watts (~3) less at idle, and a substantial amount (~15) under load. With the overall performance being equal, the performance-per-watt looks to have gotten a nice shot in the arm.

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