Fujitsu Pentium D 840 vs Fujitsu Xeon 5120

Key differences

The Fujitsu Pentium D 840 has 1.34 GHz more processor base frequency than the Fujitsu Xeon 5120 (3.2 GHz vs 1.86 GHz). The Fujitsu Pentium D 840 has 25 nm more processor lithography than the Fujitsu Xeon 5120 (90 nm vs 65 nm). The Fujitsu Xeon 5120 has 2 MB more processor cache than the Fujitsu Pentium D 840 (4 MB vs 2 MB). Processor family: Intel® Pentium® D on the Fujitsu Pentium D 840, Intel® Xeon® on the Fujitsu Xeon 5120. Processor socket: LGA 775 (Socket T) on the Fujitsu Pentium D 840, LGA 771 (Socket J) on the Fujitsu Xeon 5120.

• Processor family
  • Pentium D 840:Intel® Pentium® D
  • Xeon 5120:Intel® Xeon®
• Processor base frequency
  • Pentium D 840:3.2 GHz
  • Xeon 5120:1.86 GHz
• Processor socket
  • Pentium D 840:LGA 775 (Socket T)
  • Xeon 5120:LGA 771 (Socket J)
• Processor lithography
  • Pentium D 840:90 nm
  • Xeon 5120:65 nm
• Processor cache
  • Pentium D 840:2 MB
  • Xeon 5120:4 MB
• L2 cache speed
  • Pentium D 840:3.2 GHz
  • Xeon 5120:1.86 GHz
• Processor front side bus
  • Pentium D 840:800 MHz
  • Xeon 5120:1066 MHz
• Thermal Design Power (TDP)
  • Pentium D 840:130 W
  • Xeon 5120:65 W