Fujitsu L5640 processor vs Fujitsu X5660 processor

Key differences

The Fujitsu X5660 processor has 0.54 GHz more processor base frequency than the Fujitsu L5640 processor (2.8 GHz vs 2.26 GHz). The Fujitsu X5660 processor has 0.54 GT/s more system bus rate than the Fujitsu L5640 processor (6.4 GT/s vs 5.86 GT/s). The Fujitsu X5660 processor has 35 W more thermal Design Power (TDP) than the Fujitsu L5640 processor (95 W vs 60 W). Processor model: L5640 on the Fujitsu L5640 processor, X5660 on the Fujitsu X5660 processor.

• Processor model
  • L5640 processor:L5640
  • X5660 processor:X5660
• Processor base frequency
  • L5640 processor:2.26 GHz
  • X5660 processor:2.8 GHz
• System bus rate
  • L5640 processor:5.86 GT/s
  • X5660 processor:6.4 GT/s
• Thermal Design Power (TDP)
  • L5640 processor:60 W
  • X5660 processor:95 W
• CPU multiplier (bus/core ratio)
  • L5640 processor:17
  • X5660 processor:21
• Maximum operating temperature
  • L5640 processor:70 °C
  • X5660 processor:81.3 °C