HP Intel Xeon L5530 vs HP Intel Xeon X5660, Ref

Key differences

The HP Intel Xeon X5660, Ref has 0.4 GHz more processor base frequency than the HP Intel Xeon L5530 (2.8 GHz vs 2.4 GHz). The HP Intel Xeon X5660, Ref has 2 more processor cores than the HP Intel Xeon L5530 (6 vs 4). The HP Intel Xeon L5530 has 13 nm more processor lithography than the HP Intel Xeon X5660, Ref (45 nm vs 32 nm). Only the HP Intel Xeon X5660, Ref has Intel Trusted Execution Technology. Only the HP Intel Xeon X5660, Ref has Intel® AES New Instructions (Intel® AES-NI).

• Processor model
  • Intel Xeon L5530:L5530
  • Intel Xeon X5660, Ref:X5660
• Processor base frequency
  • Intel Xeon L5530:2.4 GHz
  • Intel Xeon X5660, Ref:2.8 GHz
• Processor cores
  • Intel Xeon L5530:4
  • Intel Xeon X5660, Ref:6
• Processor lithography
  • Intel Xeon L5530:45 nm
  • Intel Xeon X5660, Ref:32 nm
• Processor threads
  • Intel Xeon L5530:8
  • Intel Xeon X5660, Ref:12
• System bus rate
  • Intel Xeon L5530:5.86 GT/s
  • Intel Xeon X5660, Ref:6.4 GT/s
• Processor operating modes
  • Intel Xeon L5530:64-bit
  • Intel Xeon X5660, Ref:32-bit, 64-bit
• Processor boost frequency
  • Intel Xeon L5530:2.66 GHz
  • Intel Xeon X5660, Ref:3.2 GHz