Dell Xeon E5620 vs Dell Xeon X5660

Key differences

The Dell Xeon X5660 has 0.4 GHz more processor base frequency than the Dell Xeon E5620 (2.8 GHz vs 2.4 GHz). The Dell Xeon X5660 has 2 more processor cores than the Dell Xeon E5620 (6 vs 4). The Dell Xeon X5660 has 4 more processor threads than the Dell Xeon E5620 (12 vs 8). Processor model: E5620 on the Dell Xeon E5620, X5660 on the Dell Xeon X5660. Memory clock speeds supported by processor: 800,1066 MHz on the Dell Xeon E5620, 800,1066,1333 MHz on the Dell Xeon X5660.

• Processor model
  • Xeon E5620:E5620
  • Xeon X5660:X5660
• Processor base frequency
  • Xeon E5620:2.4 GHz
  • Xeon X5660:2.8 GHz
• Processor cores
  • Xeon E5620:4
  • Xeon X5660:6
• Processor threads
  • Xeon E5620:8
  • Xeon X5660:12
• System bus rate
  • Xeon E5620:5.86 GT/s
  • Xeon X5660:6.4 GT/s
• Processor boost frequency
  • Xeon E5620:2.66 GHz
  • Xeon X5660:3.2 GHz
• Thermal Design Power (TDP)
  • Xeon E5620:80 W
  • Xeon X5660:95 W
• CPU multiplier (bus/core ratio)
  • Xeon E5620:18
  • Xeon X5660:21