Lenovo Xeon E5640 vs Lenovo Xeon X5650

Key differences

The Lenovo Xeon X5650 has 2 more processor cores than the Lenovo Xeon E5640 (6 vs 4). The Lenovo Xeon X5650 has 0.54 GT/s more system bus rate than the Lenovo Xeon E5640 (6.4 GT/s vs 5.86 GT/s). The Lenovo Xeon X5650 has 267 MHz more processor front side bus than the Lenovo Xeon E5640 (1333 MHz vs 1066 MHz). Processor family: Intel® Xeon® 5000 Sequence on the Lenovo Xeon E5640, Intel® Pentium® III on the Lenovo Xeon X5650. Processor model: E5640 on the Lenovo Xeon E5640, X5650 on the Lenovo Xeon X5650.

• Processor family
  • Xeon E5640:Intel® Xeon® 5000 Sequence
  • Xeon X5650:Intel® Pentium® III
• Processor model
  • Xeon E5640:E5640
  • Xeon X5650:X5650
• Processor cores
  • Xeon E5640:4
  • Xeon X5650:6
• System bus rate
  • Xeon E5640:5.86 GT/s
  • Xeon X5650:6.4 GT/s
• Processor front side bus
  • Xeon E5640:1066 MHz
  • Xeon X5650:1333 MHz
• Thermal Design Power (TDP)
  • Xeon E5640:80 W
  • Xeon X5650:95 W