NBCPU

qfup (intel xeon e5420) Detail Information


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General information
TypeCPU / Microprocessor
FamilyIntel Xeon
Processor number E5420
Part numberAT80574KJ060N
Frequency (GHz) 2.5
Bus speed (MHz) 1333
Package type771-land FC-LGA
Socket typeSocket 771 (LGA771)
Architecture / Microarchitecture / Other
CPUID1067Ah
Core steppingE0
Previous steppingSLANV
Next production steppingSLBBL
Manufacturing technology (micron)0.045
Number of cores4
L2 cache size (MB) 12
Notes on sSpec QFUP
  • The samples are available starting from Jul 3, 2008
  • Changes in E0 stepping: new XSAVE and XRSTORE instructions, ACNT2 feature used for determining processor utilization, halide-free package.

Other S-Spec number