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slbbj (intel xeon e5440) Detail Information


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General information
TypeCPU / Microprocessor
FamilyIntel Xeon
Processor number E5440
Part numberAT80574KJ073N
BX80574E5440A
BX80574E5440P
Frequency (GHz) 2.833
Bus speed (MHz) 1333
Package type771-land FC-LGA
Socket typeSocket 771 (LGA771)
Architecture / Microarchitecture / Other
CPUID1067Ah
Core steppingE0
Qualification sampleQFTM
Previous steppingSLANS
Manufacturing technology (micron)0.045
Number of cores4
L2 cache size (MB) 12
FeaturesEM64T technology
Enhanced SpeedStep technology
Execute disable bit
Virtualization technology
Core voltage (V) 1.212
Case temperature (°C) 67
Thermal Design Power (Watt) 80
Notes on sSpec SLBBJ
  • OEM parts are available starting from Oct 6, 2008.
  • Boxed processors are available starting from Aug 29, 2008.
  • Changes in E0 stepping: new XSAVE and XRSTORE instructions, ACNT2 feature used for determining processor utilization, halide-free package.

Other S-Spec number