Lenovo Xeon E5503 vs Lenovo Xeon L5640

Key differences

The Lenovo Xeon L5640 has 0.26 GHz more processor base frequency than the Lenovo Xeon E5503 (2.26 GHz vs 2 GHz). The Lenovo Xeon L5640 has 4 more processor cores than the Lenovo Xeon E5503 (6 vs 2). The Lenovo Xeon E5503 has 13 nm more processor lithography than the Lenovo Xeon L5640 (45 nm vs 32 nm). Processor model: E5503 on the Lenovo Xeon E5503, L5640 on the Lenovo Xeon L5640. VID Voltage Range: 0.75 - 1.35 V on the Lenovo Xeon E5503, 0.800 - 1.300 V on the Lenovo Xeon L5640.

• Processor model
  • Xeon E5503:E5503
  • Xeon L5640:L5640
• Processor base frequency
  • Xeon E5503:2 GHz
  • Xeon L5640:2.26 GHz
• Processor cores
  • Xeon E5503:2
  • Xeon L5640:6
• Processor lithography
  • Xeon E5503:45 nm
  • Xeon L5640:32 nm
• System bus rate
  • Xeon E5503:4.8 GT/s
  • Xeon L5640:5.86 GT/s
• Processor cache
  • Xeon E5503:4 MB
  • Xeon L5640:12 MB
• Processor front side bus
  • Xeon E5503:800 MHz
  • Xeon L5640:1333 MHz
• Thermal Design Power (TDP)
  • Xeon E5503:80 W
  • Xeon L5640:60 W