Reviews and Problems with Intel Quad-Core Xeon W5580
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Intel's Xeon W5580 processors
31 March 2009
Summary: The Nehalem Xeons' truly astounding leap in performance over prior generations, in a range of applications, speaks for itself. The largest gains came in our scientific computing/HPC tests, where the Xeon W5580 proved to be between 50% and 100% faster than the Harpertown Xeon X5492. We saw a massive performance increase in SPECjbb 2005, as well, along with more modest but still substantial improvements everywhere else.