HP Intel Xeon E5649 vs HP Intel Xeon L5520

Key differences

The HP Intel Xeon E5649 has 0.27 GHz more processor base frequency than the HP Intel Xeon L5520 (2.53 GHz vs 2.26 GHz). The HP Intel Xeon E5649 has 2 more processor cores than the HP Intel Xeon L5520 (6 vs 4). The HP Intel Xeon L5520 has 13 nm more processor lithography than the HP Intel Xeon E5649 (45 nm vs 32 nm). Processor model: E5649 on the HP Intel Xeon E5649, L5520 on the HP Intel Xeon L5520. Memory clock speeds supported by processor: 800,1066,1333 MHz on the HP Intel Xeon E5649, 800,1066 MHz on the HP Intel Xeon L5520.

• Processor model
  • Intel Xeon E5649:E5649
  • Intel Xeon L5520:L5520
• Processor base frequency
  • Intel Xeon E5649:2.53 GHz
  • Intel Xeon L5520:2.26 GHz
• Processor cores
  • Intel Xeon E5649:6
  • Intel Xeon L5520:4
• Processor lithography
  • Intel Xeon E5649:32 nm
  • Intel Xeon L5520:45 nm
• Processor threads
  • Intel Xeon E5649:12
  • Intel Xeon L5520:8
• Processor cache
  • Intel Xeon E5649:12 MB
  • Intel Xeon L5520:8 MB
• Thermal Design Power (TDP)
  • Intel Xeon E5649:80 W
  • Intel Xeon L5520:60 W
• CPU multiplier (bus/core ratio)
  • Intel Xeon E5649:19
  • Intel Xeon L5520:17