Lenovo Intel Xeon E7540 vs Lenovo Xeon L5638

Key differences

The Lenovo Intel Xeon E7540 has 0.54 GT/s more system bus rate than the Lenovo Xeon L5638 (6.4 GT/s vs 5.86 GT/s). The Lenovo Intel Xeon E7540 has 6 MB more processor cache than the Lenovo Xeon L5638 (18 MB vs 12 MB). The Lenovo Intel Xeon E7540 has 45 W more thermal Design Power (TDP) than the Lenovo Xeon L5638 (105 W vs 60 W). Processor family: Intel® Xeon® 7000 Sequence on the Lenovo Intel Xeon E7540, Intel® Xeon® 5000 Sequence on the Lenovo Xeon L5638. Processor model: E7540 on the Lenovo Intel Xeon E7540, L5638 on the Lenovo Xeon L5638.

• Processor family
  • Intel Xeon E7540:Intel® Xeon® 7000 Sequence
  • Xeon L5638:Intel® Xeon® 5000 Sequence
• Processor model
  • Intel Xeon E7540:E7540
  • Xeon L5638:L5638
• System bus rate
  • Intel Xeon E7540:6.4 GT/s
  • Xeon L5638:5.86 GT/s
• Processor cache
  • Intel Xeon E7540:18 MB
  • Xeon L5638:12 MB
• Thermal Design Power (TDP)
  • Intel Xeon E7540:105 W
  • Xeon L5638:60 W