国内很多网站的评测实际都是从外国翻译过来的，很多翻译水平不够，和原文很多内容出入太大，今把原文转载，供读者参考
Late last year, Intel introduced the Core i7 series of desktop CPUs, based on its Nehalem architecture. Although these new CPUs required a new motherboard, thanks to their support for triple-channel DDR3 memory and use of a new socket, their incredible performance in consumer applications and games means that Core i7 has become one of the must-have items of the last few months. Five months on, Intel has finally launched the workstation/server version of Nehalem, codenamed Nehalem EP.
Unlike the desktop Nehalem CPUs, the workstation/server Nehalem EP CPUs retain the same branding as their predecessors. The new range isn’t called Xeon i7, but merely the Xeon 5500-series.
This sensible name makes it clear that these new 5500-series Xeons are superior to the older 5100, 5300 and 5400-series Xeons. 
Intel will eventually launch a whole range of 5500-series Xeons, but the focus of this review will be the flagship model, the W5580, two of which can be installed in a single motherboard in a dual-processor SMP configuration.
Xeon W5580 CPU details
- Frequency: 3.2GHz
- Core: Gainestown
- Packaging: LGA1366
- L1 cache: 32KB L1 data, 32KB L1 instruction per core
- L2 cache: 256KB per core, inclusive
- L3 cache: 6MB accessible by all cores, inclusive
- QPI: 6.4GT/sec
- Memory: Triple-channel ECC registered DDR3-1,333MHz
- TDP: 130W
On first inspection, a Xeon W5580 isn't much to look at - you can see it in the pictures above next to a Core i7-965 Extreme Edition (right). Can you spot the difference? Hint: It's the one on the left.
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