Another week, another new dual-core processor

The chipmaker says the line of processors, designed for four- to eight-way servers, offers up to twice the performance and nearly three times the performance per watt of the Xeon MP series it replaces.

A four-way server would have 16 threads, with multithreading in each CPU allowing for several tasks to be processed at once, said Doug Cooper, manager of Intel Canada. “We’re talking pretty hefty computing power in a very capable system,” he said.

Servers powered by these processors will likely be used to reduce the number of single- or dual-processor servers in an organization, he said, a market that will appeal to system integrators and system builders.

The eight processors revealed last month range in price from US$856 to US$1,980. “It’s definitely not a small business play,” said Cooper, “but for medium-sized businesses it will definitely be attractive.”

It was only weeks earlier that AMD made a splash by revealing its next-generation dual-core Opteron processors, not long after Intel pulled the wraps off its 5100 series of Xeon dual-core CPUs for two-way servers.

Last month’s announcement was called the continuation of an historic “summer of servers” for Intel by Tom Kilroy, vice-president and general manager of Intel’s digital enterprise group.

That claim was immediately contested by John Fruehe, worldwide marketing manager for AMD’s servers. “I wouldn’t call this release historic at all,” he said in an interview.

He said the 7100 series, code-named Tulsa by Intel, is built on the company’s older NetBurst architecture, while the 5100 series has a different platform. Fruehe said Intel had introduced four-processor platforms earlier this year.

By comparison, AMD’s newest Opteron line, which has single and multi-processor series, share the same architecture, as will the quad-core CPUs it plans to roll out next year. “When we introduced our new platform we did it all at once, to minimize the impact on customers,” Fruehe said. “Intel seems to be dragging this out through the entire summer.”

In addition, he estimated the 7100-series chips consume more power than AMD’s equivalent, the new 8000-series, from 150 watts to 120. The 8000-series CPUs “use significantly less power and have better performance,” said Fruehe.

Like the latest Opterons, the 7100-series chips come in several flavours including ones that run in low-power mode. Intel says its low-power option chips only consume 95 watts.

Cooper said performance per watt, not merely power consumption, is the real benchmark for this category of processors. As for using the Netburst architecture, he said Intel wanted to take advantage of the 65-nanometer manufacturing process it has and which, although he didn’t say it, AMD doesn’t have yet.

Each of Intel’s 7100-series CPUs share up to 16 MB of cache, compared to 1 MB of cache in the AMD 8000 series. However, AMD Opteron processors have a built-in memory controller, whereas Intel memory controllers are built into separate motherboard chipsets.

IBM, Fujitsu, Hewlett-Packard and Dell were among the original equipment manufacturers that announced servers with Intel’s 7100-series CPUs last month.

As often happens when a new server processor is introduced, Intel said some benchmark tests have been broken by servers built around the new CPUs. According to the company, a Fujitsu-Siemens Primergy RX6300 S3 server using a Xeon 3.4 Ghz 7140M processor and running Windows Server 2003 Enterprise Edition with 64-bit extensions set a record running the SPECjbb2005 business operations test.

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Howard Solomon
Howard Solomon
Currently a freelance writer. Former editor of and Computing Canada. An IT journalist since 1997, Howard has written for several of ITWC's sister publications, including Before arriving at ITWC he served as a staff reporter at the Calgary Herald and the Brampton (Ont.) Daily Times.

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