Opteron bests Xeon

An independent computer consultant who sees himself as something of an end-using IT activist, has started running tests that compare the performance of AMD Opteron processor against Intel's Xeon chip.

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Neal Nelson, an independent computer consultant who sees himself as something of an end-using IT activist, has started running tests that compare the performance of Advanced Micro Devices' (AMD) Opteron processor against Intel's Xeon chip. And, according to Nelson, the Opteron delivers twice the throughput of the Intel processor.

Nelson said his initial test was limited to two older single-core chips, a 2.4-GHz Opteron and a 2.4-GHz Xeon with Netburst architecture, involving structural design changes that affected the way processing takes place within the chip. The Opteron delivered 115% more throughput at peak, he said.

"I was shocked," said Nelson, adding that he has never seen such a transaction benchmarking gap between two chips in the two decades he has been running tests.

The machines used for the testing were identical, configured with equal memory and disk drive characteristics and application code compiled by the same compiler. Apache 2 web server software was used to test the throughput capability, said Nelson, who also intends to compare the newer dual-core processors from the rival chipmakers.

Nelson, who is based in the US, said his testing is independent and self-funded. "I think I'm like [former independent presidential candidate and political activist] Ralph Nader – I am running the test that the manufacturers don't necessarily want to see run," he said.

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