Performance and Scalability of the new Opteron @ Techno Babble
"In the interest of fairness, I´ve been monitoring Microsoft´s Exchange Server benchmark page. As you may recall, when the Opteron was launched, scores for 2-way and 4-way servers based on the chip were posted to this page.
As discussed here, the not yet available Opteron platform (running at 1.80GHz) defeated the fastest competing Xeon (2-way, 2.80GHz) and Xeon MP (4-way, 2.00GHz) chips by 12.2% and 17.6%, respectively.
As of this month, two new scores have been posted, one which is particularly notable. Both scores are from 2-way Xeon servers. These servers are running at 3.06GHz, and the faster of the two has a score of 11000, a jump of 12.2%. Curiously, this is exactly enough of a boost to make the fastest 2-way Xeon the same speed as the fastest 2-way Opteron. Rather than chalk it up to an unlikely coincidence, I´m tempted to speculate that there´s a bit of rounding involved in the score reporting process. No matter, though; the basic idea is that the Xeon and the Opteron are currently evenly matched in 2-way configurations."
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