Dell Xeon E5640 vs HP Intel Core i7-2820QM

Key differences

The Dell Xeon E5640 has 0.36 GHz more processor base frequency than the HP Intel Core i7-2820QM (2.66 GHz vs 2.3 GHz). The Dell Xeon E5640 has 0.86 GT/s more system bus rate than the HP Intel Core i7-2820QM (5.86 GT/s vs 5 GT/s). The HP Intel Core i7-2820QM has 0.47 GHz more processor boost frequency than the Dell Xeon E5640 (3.4 GHz vs 2.93 GHz). Only the Dell Xeon E5640 has ECC. Only the HP Intel Core i7-2820QM has on-board graphics card.

• Processor family
  • Xeon E5640:Intel® Xeon® 5000 Sequence
  • Intel Core i7-2820QM:Intel® Core™ i7
• Processor model
  • Xeon E5640:E5640
  • Intel Core i7-2820QM:i7-2820QM
• Processor base frequency
  • Xeon E5640:2.66 GHz
  • Intel Core i7-2820QM:2.3 GHz
• Processor socket
  • Xeon E5640:Socket B (LGA 1366)
  • Intel Core i7-2820QM:PGA988
• System bus rate
  • Xeon E5640:5.86 GT/s
  • Intel Core i7-2820QM:5 GT/s
• Processor boost frequency
  • Xeon E5640:2.93 GHz
  • Intel Core i7-2820QM:3.4 GHz
• Processor cache
  • Xeon E5640:12 MB
  • Intel Core i7-2820QM:8 MB
• Thermal Design Power (TDP)
  • Xeon E5640:80 W
  • Intel Core i7-2820QM:45 W