HP Intel Xeon E5640, Kit, Ref vs HP Intel Xeon X5680 Kit, Ref

Key differences

The HP Intel Xeon X5680 Kit, Ref has 0.67 GHz more processor base frequency than the HP Intel Xeon E5640, Kit, Ref (3.33 GHz vs 2.66 GHz). The HP Intel Xeon X5680 Kit, Ref has 2 more processor cores than the HP Intel Xeon E5640, Kit, Ref (6 vs 4). The HP Intel Xeon X5680 Kit, Ref has 4 more processor threads than the HP Intel Xeon E5640, Kit, Ref (12 vs 8). Only the HP Intel Xeon E5640, Kit, Ref has embedded options available. Processor model: E5640 on the HP Intel Xeon E5640, Kit, Ref, X5680 on the HP Intel Xeon X5680 Kit, Ref.

• Processor model
  • Intel Xeon E5640, Kit, Ref:E5640
  • Intel Xeon X5680 Kit, Ref:X5680
• Processor base frequency
  • Intel Xeon E5640, Kit, Ref:2.66 GHz
  • Intel Xeon X5680 Kit, Ref:3.33 GHz
• Processor cores
  • Intel Xeon E5640, Kit, Ref:4
  • Intel Xeon X5680 Kit, Ref:6
• Processor socket
  • Intel Xeon E5640, Kit, Ref:Socket B (LGA 1366)
  • Intel Xeon X5680 Kit, Ref:LGA 1356 (Socket B2)
• Processor threads
  • Intel Xeon E5640, Kit, Ref:8
  • Intel Xeon X5680 Kit, Ref:12
• System bus rate
  • Intel Xeon E5640, Kit, Ref:5.86 GT/s
  • Intel Xeon X5680 Kit, Ref:6.4 GT/s
• Processor boost frequency
  • Intel Xeon E5640, Kit, Ref:2.93 GHz
  • Intel Xeon X5680 Kit, Ref:3.6 GHz
• Thermal Design Power (TDP)
  • Intel Xeon E5640, Kit, Ref:80 W
  • Intel Xeon X5680 Kit, Ref:130 W