Fujitsu CELSIUS R550 vs Fujitsu SCALEO Li 2664

Key differences

The Fujitsu CELSIUS R550 has 0.1 GHz more processor frequency than the Fujitsu SCALEO Li 2664 (2.5 GHz vs 2.4 GHz). The Fujitsu CELSIUS R550 has 4 MB more processor cache than the Fujitsu SCALEO Li 2664 (12 MB vs 8 MB). The Fujitsu CELSIUS R550 has 267 MHz more processor front side bus than the Fujitsu SCALEO Li 2664 (1333 MHz vs 1066 MHz). Only the Fujitsu CELSIUS R550 has FSB Parity. Only the Fujitsu CELSIUS R550 has Intel Demand Based Switching.

• Processor family
  • CELSIUS R550:Intel® Xeon® 5000 Sequence
  • SCALEO Li 2664:Intel® Core™2 Quad
• Processor model
  • CELSIUS R550:E5420
  • SCALEO Li 2664:Q6600
• Processor frequency
  • CELSIUS R550:2.5 GHz
  • SCALEO Li 2664:2.4 GHz
• Processor cache
  • CELSIUS R550:12 MB
  • SCALEO Li 2664:8 MB
• Processor front side bus
  • CELSIUS R550:1333 MHz
  • SCALEO Li 2664:1066 MHz
• FSB Parity
  • CELSIUS R550:Yes
  • SCALEO Li 2664:No
• Processor lithography
  • CELSIUS R550:45 nm
  • SCALEO Li 2664:65 nm
• Processor codename
  • CELSIUS R550:Harpertown
  • SCALEO Li 2664:Kentsfield