Dell Xeon E5640 vs HP E5503 processor

Key differences

The Dell Xeon E5640 has 0.66 GHz more processor base frequency than the HP E5503 processor (2.66 GHz vs 2 GHz). The Dell Xeon E5640 has 2 more processor cores than the HP E5503 processor (4 vs 2). The HP E5503 processor has 13 nm more processor lithography than the Dell Xeon E5640 (45 nm vs 32 nm). Processor model: E5640 on the Dell Xeon E5640, E5503 on the HP E5503 processor. Memory clock speeds supported by processor: 800,1066 MHz on the Dell Xeon E5640, 800 MHz on the HP E5503 processor.

• Processor model
  • Xeon E5640:E5640
  • E5503 processor:E5503
• Processor base frequency
  • Xeon E5640:2.66 GHz
  • E5503 processor:2 GHz
• Processor cores
  • Xeon E5640:4
  • E5503 processor:2
• Processor lithography
  • Xeon E5640:32 nm
  • E5503 processor:45 nm
• Processor threads
  • Xeon E5640:8
  • E5503 processor:2
• System bus rate
  • Xeon E5640:5.86 GT/s
  • E5503 processor:4.8 GT/s
• Processor cache
  • Xeon E5640:12 MB
  • E5503 processor:4 MB
• Memory bandwidth supported by processor (max)
  • Xeon E5640:25.6 GB/s
  • E5503 processor:19.2 GB/s