HP Intel Xeon E5603 vs HP Intel Xeon L5520

Key differences

The HP Intel Xeon L5520 has 0.66 GHz more processor base frequency than the HP Intel Xeon E5603 (2.26 GHz vs 1.6 GHz). The HP Intel Xeon L5520 has 13 nm more processor lithography than the HP Intel Xeon E5603 (45 nm vs 32 nm). The HP Intel Xeon L5520 has 4 more processor threads than the HP Intel Xeon E5603 (8 vs 4). Only the HP Intel Xeon L5520 has Intel® Hyper Threading Technology (Intel® HT Technology). Only the HP Intel Xeon L5520 has Intel® Turbo Boost Technology.

• Processor model
  • Intel Xeon E5603:E5603
  • Intel Xeon L5520:L5520
• Processor base frequency
  • Intel Xeon E5603:1.6 GHz
  • Intel Xeon L5520:2.26 GHz
• Processor lithography
  • Intel Xeon E5603:32 nm
  • Intel Xeon L5520:45 nm
• Processor threads
  • Intel Xeon E5603:4
  • Intel Xeon L5520:8
• System bus rate
  • Intel Xeon E5603:4.8 GT/s
  • Intel Xeon L5520:5.86 GT/s
• Processor cache
  • Intel Xeon E5603:4 MB
  • Intel Xeon L5520:8 MB
• Thermal Design Power (TDP)
  • Intel Xeon E5603:80 W
  • Intel Xeon L5520:60 W
• CPU multiplier (bus/core ratio)
  • Intel Xeon E5603:12
  • Intel Xeon L5520:17