Intel Xeon X7560: Nehalem EX Review

Written by James Gorbold

April 7, 2010 | 08:24

Tags: #analysis #benchmark #cinebench #comparison #crazy-but-cool #dual-processor #folding #g34 #hpc #nehalem #opteron #performance #server #smp #stream #workstation #wprime #xeon

Companies: #intel #test

Power consumption

Website: Prime95

Performance per watt is fast becoming an important metric for deciding which hardware to buy, especially if you have multiple servers in a machine room.

To determine the power efficiency of various CPUs, we measured the power draw at the wall of each test system while running the smallfft test of Prime95 on every available execution unit.

Power Consumption (Idle)

Power at wall socket. All onboard hardware enabled, BIOS Defaults.

  • Core i7-930
  • 2 x AMD Opteron 6174
  • 2 x Intel Xeon X5650
  • Core i7-980X Extreme Edition
  • 4 x Intel Xeon X7560
  • 124
  • 140
  • 143
  • 143
  • 638
0
100
200
300
400
500
600
700
Total system power consumption (watts)

Power Consumption (Load)

Power at wall socket. All onboard hardware enabled, BIOS Defaults. Prime95 Load.

  • Core i7-930
  • Core i7-980X Extreme Edition
  • 2 x Intel Core 2 Extreme QX9775
  • 2 x Intel Xeon X5482
  • 2 x AMD Opteron 2435
  • 2 x AMD Opteron 2382
  • 2 x AMD Opteron 6174
  • 2 x Intel Xeon X5650
  • 2 x Intel Xeon W5580
  • 4 x Intel Xeon X7560
  • 216
  • 256
  • 297
  • 298
  • 310
  • 327
  • 335
  • 336
  • 386
  • 1131
0
250
500
750
1000
1250
Total system power consumption (watts)

For an explanation of what these numbers mean, head to the Conclusion.
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