Linked by Thom Holwerda on Mon 10th Sep 2007 15:54 UTC, submitted by Josh Graham
AMD AMD has unveiled its first set of quad-core processors, three months after its original launch date. This 'complicated' design that resulted in the delay and puts the chip maker a full generation behind its archrival in terms of chip manufacturing processes.
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More importantly the server market
by hechacker1 on Mon 10th Sep 2007 19:41 UTC
hechacker1
Member since:
2005-08-01

If you read Anandtechs take on the new Opteron it scales better than the Xeon as the core count goes up. Anand points out that NUMA is required to get most performance out of the Barcelona architecture.

"Be aware though that you need the Enterprise edition of Windows 2003 to see this kind of performance. The 32-bit Windows 2003 standard does not support NUMA and the bandwidth hungry AMD quad-core does not like that at all. Performance was up to 14% (!) lower, showing only 73 fps instead of 85 fps."

The new Opteron platform is a winner as far as the server market is concerned. It uses less power than the equivalent Xeon platform while having more performance. But that is mostly due to Intel's choice of using power hungry FB-DIMMS instead of cheaper and power saving DDR2.

Unfortunately for AMD though Intel's Q6600 @ $270 is hard to beat on the desktop platform. The Q6600 easily overclocks on air (with the intel provided hsf) to 3.2GHz simply blowing the Barcelona architecture out of the water at current speeds.

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