Fujitsu Xeon E5620 vs Lenovo Xeon X5550

Key differences

The Lenovo Xeon X5550 has 0.26 GHz more processor base frequency than the Fujitsu Xeon E5620 (2.66 GHz vs 2.4 GHz). The Lenovo Xeon X5550 has 13 nm more processor lithography than the Fujitsu Xeon E5620 (45 nm vs 32 nm). The Lenovo Xeon X5550 has 0.54 GT/s more system bus rate than the Fujitsu Xeon E5620 (6.4 GT/s vs 5.86 GT/s). Processor model: E5620 on the Fujitsu Xeon E5620, X5550 on the Lenovo Xeon X5550. VID Voltage Range: 0.800 - 1.300 V on the Fujitsu Xeon E5620, 0.75 - 1.35 V on the Lenovo Xeon X5550.

• Processor model
  • Xeon E5620:E5620
  • Xeon X5550:X5550
• Processor base frequency
  • Xeon E5620:2.4 GHz
  • Xeon X5550:2.66 GHz
• Processor lithography
  • Xeon E5620:32 nm
  • Xeon X5550:45 nm
• System bus rate
  • Xeon E5620:5.86 GT/s
  • Xeon X5550:6.4 GT/s
• Processor cache
  • Xeon E5620:12 MB
  • Xeon X5550:8 MB
• Processor front side bus
  • Xeon E5620:1066 MHz
  • Xeon X5550:1333 MHz
• Thermal Design Power (TDP)
  • Xeon E5620:80 W
  • Xeon X5550:95 W
• VID Voltage Range
  • Xeon E5620:0.800 - 1.300 V
  • Xeon X5550:0.75 - 1.35 V