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Intel® Xeon® Processor E5 Family

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Intel® Xeon® Processor E5 Family




Product and Performance Information


1. Source: Performance comparison using geometric mean of SPECint*_rate_base2006, SPECfp*_rate_base2006, STREAM*_MP Triad, and Linpack* benchmark results. Baseline geometric mean score of 166.75 on previous-generation 2S Intel® Xeon® processor X5690 platform based on best published SPECrate* scores to and best Intel internal measurements on STREAM*_MP Triad and Linpack as of December 5, 2011. New geometric mean score of 306.74 based on Intel internal measured estimates using an Intel platform with two Intel® Xeon® processor E5-2690, Intel® Turbo Boost Technology and Enhanced Intel SpeedStep® Technology enabled, with Intel® Hyper-Threading Technology (Intel® HT Technology), 128 GB RAM, Red Hat* Enterprise Linux* Server 6.1 beta for x86_6, Intel® Compiler 12.1, THP disabled for SPECfp*_rate_base2006 and THP enabled for SPECint*_rate_base2006.

2. Software and workloads used in performance tests may have been optimized for performance only on Intel microprocessors. Performance tests, such as SYSmark and MobileMark, are measured using specific computer systems, components, software, operations, and functions. Any change to any of those factors may cause the results to vary. You should consult other information and performance tests to assist you in fully evaluating your contemplated purchases, including the performance of that product when combined with other products. For more information go to Results have been measured by Intel based on software, benchmark or other data of third parties and are provided for informational purposes only.  Any difference in system hardware or software design or configuration may affect actual performance.  Intel does not control or audit the design or implementation of third party data referenced in this document.  Intel encourages all of its customers to visit the websites of the referenced third parties or other sources to confirm whether the referenced data is accurate and reflects performance of systems available for purchase.

3. Intel measurements of average time for an I/O device read to local system memory under idle conditions. Improvement compares Intel® Xeon® processor E5-2600 product family (230 ns) vs. Intel Xeon processor 5500 series (340 ns). Baseline Configuration: An Intel system with two Intel® Xeon processor E5520 (2.26GHz, 4C), 12GB memory @ 1333, C-States disabled, Intel® Turbo Boost Technology disabled, SMT disabled, Rubicon* PCIe* 2.0 x8. New Configuration: Meridian system with two Intel® Xeon processor E5-2665 (C0 stepping, 2.4GHz, 8C), 32GB memory @1600 MHz, C-States enabled, Intel® Turbo Boost Technology enabled. The measurements were taken with a LeCroy* PCIe* protocol analyzer using Intel internal Rubicon (PCIe* 2.0) and Florin (PCIe* 3.0) test cards running under Windows* 2008 R2 with SP1.

4. Source: Performance comparison using best submitted/published 2-socket single-node server results on the SPECpower_ssj*2008 benchmark as of 6 March 2012. Baseline score of 3,329 ssj*_ops/watt published by Hewlett-Packard on the ProLiant DL360 G7* platform based on the prior generation Intel® Xeon® processor X5675. Score of 5,093 ssj*_ops/watt submitted for publication by Fujitsu on the PRIMERGY RX300 S7* platform based on the Intel® Xeon® processor E5-2660. For additional details, please visit,16.