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Product comparison · 2 cpus

Fujitsu Intel Xeon E5-4640 8C/16T 2.40GHz 20MB vs Lenovo Intel Xeon E5-2420

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  • 45specifications compared
  • 15differ
  • 30identical
  • 7known for one product only

Key differences

  • Processor model
    • E5-4640
    • E5-2420
  • Processor base frequency
    • 2.4 GHz
    • 1.9 GHz
  • Processor cores
    • 8
    • 6
  • Processor socket
    • LGA 2011 (Socket R)
    • LGA 1356 (Socket B2)
  • Processor threads
    • 16
    • 12
  • System bus rate
    • 8 GT/s
    • 7.2 GT/s
  • Processor boost frequency
    • 2.8 GHz
    • 2.4 GHz
  • Processor cache
    • 20 MB
    • 15 MB

Side by side

Differences highlightedShow differences only
52 specifications
A

Fujitsu

Intel Xeon E5-4640 8C/16T 2.40GHz 20MBView product
B

Lenovo

Intel Xeon E5-2420View product
Processor10 differ
Processor modelDiffersE5-4640E5-2420
Processor base frequencyDiffers2.4 GHz1.9 GHz
Processor coresDiffers86
Processor socketDiffersLGA 2011 (Socket R)LGA 1356 (Socket B2)
Processor threadsDiffers1612
System bus rateDiffers8 GT/s7.2 GT/s
Processor boost frequencyDiffers2.8 GHz2.4 GHz
Processor cacheDiffers20 MB15 MB
L3 cache speedKnown for one1.9 GHz
SteppingKnown for oneC2
Number of QPI linksDiffers21
Memory bandwidth supported by processor (max)Differs51.2 GB/s32 GB/s
Processor front side busKnown for one1600 MHz
Memory3 differ
Maximum internal memory supported by processorDiffers1.5 TB375 GB
Memory clock speeds supported by processorDiffers800,1066,1333,1600 MHz800,1066,1333 MHz
Memory channelsDiffersQuad-channelTriple-channel
Features2 differ
CPU configuration (max)Differs42
ScalabilityDiffersS4SS2S
Maximum number of PCI Express lanesKnown for one40
Processor special featuresidentical
Intel Enhanced Halt StateKnown for oneYes
Weight & dimensionsidentical
Processor package sizeKnown for one45 mm
Graphicsidentical
On-board graphics cardKnown for oneNo

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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