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AMD's Athlon64 G2 stepping examined
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Written by Gizmo   
Sunday, 14 October 2007 11:40

Planet3DNow.de take a look at the most recent stepping (G2)  to give us an answer to the burning question:

Has AMD finally got something to compete with the Core2 architecture?

The short answer is 'No'.  However, as with many short answers, that doesn't reveal the full story.

Read the full review at Planet3DNow.de - German version - English translation by Google:

The G2 stepping hasn't done anything as far as the integer or floating-point units are concerned, relative to the G1 stepping, and the L2 cache latency is still about 20 clocks.  The thermal envelope has been expanded slightly (to 72C), but the power envelope remains the same and the operating voltage has been slightly reduced.

What HAS changed, is that the memory controller has been optimized and now provides something in the neighborhood of 800-1200 MB/s more bandwidth, and about 20% less latency.  In addition, the new stepping appears to run stably at voltages lower than the previous G1 stepping (they got the G1 to run stably down to 1.2 volts; the G2 stepping worked reliably all the way down to 1.125 volts), while running at 2.6 GHz.  Maybe there will be some overclocking room here?

 
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