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by yberreby
3511 days ago
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Yes, it does. Not all CPU cores are created equal. Performance depends on microarchitecture, cache size, memory bandwidth and latency, clock speed, hardware acceleration of specific features, and hyper-threading capabilities, to name a few. Take the Xeon E5-2403[1] and the Xeon E5-2637 v4[2]. Both are quad-core Xeons, but they differ by pretty much everything except core count. Here's a comparison of their performance: http://cpubenchmark.net/compare.php?cmp%5B%5D=1827&cmp%5B%5D.... Granted, this is an artificial benchmarks, but the results speak for themselves.
In this case, the Xeon E5-2637 v4 is almost three times faster than its little brother, the Xeon E5-2403. Quantifying CPU performance by number of cores is disingenuous at best, and dishonest at worst. [1]: http://ark.intel.com/products/64615/Intel-Xeon-Processor-E5-... [2]: http://ark.intel.com/products/92983/Intel-Xeon-Processor-E5-... |
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