Notes:
1. SPEC® and the benchmark names SPECrate®, SPECint®, and SPECjbb® are registered trademarks of the Standard Performance Evaluation Corporation. Competitive benchmark results stated above reflect results published on www.spec.org (link resides outside of ibm.com) as of February 09, 2010. The comparison presented above is based on the IBM Power 750 Express compared to the best performing 4-socket servers currently shipping from Sun, and HP respectively. All systems were compared based on maximum processor configuration. For the latest SPEC benchmark results, visit http://www.spec.org (link resides outside of ibm.com).
2. SPECint_rate2006 Peak results are:
POWER7: IBM Power 750 Express with 4 chips, and 32 cores and four threads per core with a result of 1,060 submitted to SPEC on February 8, 2010.
Itanium: Hewlett-Packard Integrity rx6600 with 4 chips, 8 cores, and one thread per core with a result of 102.
SPARC: Sun Microsystems Sun SPARC Enterprise T5440 with 4 chips, 32 cores and 8 threads per core with a result of 360.
3. Performance per Watt:
| Power 750 Express | Sun T5440 | Sun M4000 | HP rx6600 | |
|---|---|---|---|---|
| Performance (SPECint_rate2006) | 1060 | 360 | 152 | 102 |
| Power 750 performance is better | 2.9 | 7.0 | 10.4 | |
| Power Max. (Watts) | 1950 | 2700 | 2016 | 1600 |
| Performance/kwatt | 543.6 | 133.3 | 75.4 | 63.8 |
| Power 750 efficiency is better | 4.1 | 7.2 | 8.5 |
Performance per watt is calculated by dividing the performance in the table above by the recommended maximum power for site planning. Actual power used by the systems will be less than this value for all of the systems. This information for the Power 750 is available at http://www-01.ibm.com/common/ssi/index.wss - search for Power 750. The maximum power requirement for the Power 750 is 1,950 Watts. The information for the rx6600 is in "QuickSpecs HP Integrity rx6600 Server" available at http://h18000.www1.hp.com/products/quickspecs/12596_div/12596_div.PDF (946KB) (link resides outside of ibm.com). The maximum power requirement for the rx6600 is 1,600 Watts. The information for the Sun SPARC Enterprise T5440 Server is in the "Sun SPARC Enterprise T5440 Servers Site Planning Guide" available at http://www.oracle.com/webapps/dialogue/ns/dlgwelcome.jsp?p_ext=Y&p_dlg_id=10629654&
src=7328226&Act=40&sckw=WWMK11054649MPP001.GCM.9113 (link resides outside of ibm.com). The maximum power requirement for the Sun T5440 is 2,700 Watts. All competitive information is current as of February 8, 2010.
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