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Tuesday, August 15, 2006

AMD intros new Opterons

Overview of all 23 new Socket F and AM2 Opteron processors

From Toms Hardware:

AMD today unveiled its first answer to Intel's Core micro architecture. An updated version of the processor that is driving the firm's revenue growth and market share gains claims to not only close the gap to "Woodcrest" but even surpass it in speed and power consumption. And then there is the promise that quad-cores won't consume more power than today's dual-cores.

AMD's new Opteron processors are based on the new Socket AM2 - which has been introduced earlier for Sempron and Athlon desktop CPUs - and Socket F. In total, there are 23 new dual-core CPUs - which do not represent a radical departure from the previous product generation, but a rather evolutionary step for AMD to upgrade the processor that has been challenging Intel in the server and workstation market so successfully in recent months.

On the surface, there are still three Opteron series processors - the "8" series for up to 8P systems, the "2" series for up to 2P systems and the "1" series for 1-way servers and workstations. But the new chips carry a four-digit model number instead of the three-digit number of their predecessors. According to AMD, the number explains the scalability, the socket generation as well as the relative performance within the series. For example, model 2216 (2.4 GHz) is two-way capable (first "2"), carry the second generation socket (second "2") and run faster than the 2214, but slower than the 2218.

All new regular 8P and 2P processors based on the Socket F are rated at a thermal design power of 95W; 1P (Socket AM2) versions run at 103W. Socket F models ranging from 2.0 GHz (XX12) to 2.6 GHz (XX16) are also available in a low-power "HE" version that is rated at a TDP of only 68W and closely matches Intel's Woodcrest processor rating (65W to 80W). Next to the mainstream (95W-103W) and low-power (68W) processors, AMD is also offering a 2.8 GHz high-end model: The 1220 SE and 8220 SE - think "sport edition" - will ask for 125W and 120W, respectively.

Compared to Intel's sparkling new micro architecture, AMD's new Sockets almost look a bit bland. Yes, there is support for DDR2 memory - 667 MHz for F and 800 MHz for AM2 - and there is AMD's virtualization feature, previously code-named "Pacifica" and now officially introduced as "AMD-V." The question, however, is if that will be enough to maintain the firm's current momentum against Intel's much praised Core architecture.

In a conversation with TG Daily, AMD representatives were very confident that the Opteron is the better processor from several perspectives. First, AMD says that the Socket F CPUs can beat Woodcrest (Xeon 5100 series) in at least one benchmark (SPECfp_rate2000 (Linux) by 11%. Second, the firm claims that it is still offering the most power-efficient processor - if not only the processor's power requirement is considered, but the power of the memory and Northbridge as well. And third, AMD tells its customers that it has a history of offering more consistent platforms with less dramatic changes and the opportunity to keep fine-tuned applications and to easily upgrade to the upcoming quad-core generation.


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