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Product comparison · 2 cpus

HP Z640 Xeon E5-2620v3 2.4GHz 1866MHz 6 Core 2nd CPU vs Lenovo Intel Xeon E5-4640

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  • 20specifications compared
  • 13differ
  • 7identical
  • 28known for one product only

Key differences

  • Processor family
    • Intel Xeon E5 v3
    • Intel® Xeon® E5 Family
  • Processor model
    • E5-2620V3
    • E5-4640
  • Processor cores
    • 6
    • 8
  • Processor socket
    • LGA 2011-v3
    • LGA 2011 (Socket R)
  • Processor lithography
    • 22 nm
    • 32 nm
  • Processor threads
    • 12
    • 16
  • Processor boost frequency
    • 3.2 GHz
    • 2.8 GHz
  • Processor cache
    • 15 MB
    • 20 MB

Side by side

Differences highlightedShow differences only
48 specifications
A

HP

Z640 Xeon E5-2620v3 2.4GHz 1866MHz 6 Core 2nd CPUView product
B

Lenovo

Intel Xeon E5-4640View product
Processor9 differ
Processor familyDiffersIntel Xeon E5 v3Intel® Xeon® E5 Family
Processor modelDiffersE5-2620V3E5-4640
Processor base frequency2.4 GHz2.4 GHz
Processor coresDiffers68
Processor socketDiffersLGA 2011-v3LGA 2011 (Socket R)
Processor lithographyDiffers22 nm32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers1216
System bus rate8 GT/s8 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3.2 GHz2.8 GHz
Processor cacheDiffers15 MB20 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs85 W95 W
VID Voltage RangeKnown for one0.6 - 1.35 V
Bus typeKnown for oneQPI
Number of QPI linksKnown for one2
Memory bandwidth supported by processor (max)Known for one51.2 GB/s
Processor codenameKnown for oneSandy Bridge
Memory1 differ
Maximum internal memory supported by processorKnown for one384 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800,1066,1333,1600 MHz
Memory channelsDiffersHexa-channelQuad-channel
ECCKnown for oneYes
Graphicsidentical
On-board graphics cardKnown for oneNo
Features1 differ
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Thermal Monitoring TechnologiesKnown for oneYes
Market segmentServerServer
Maximum number of PCI Express lanesKnown for one40
PCI Express slots versionKnown for one3.0
Supported instruction setsKnown for oneAVX
Embedded options availableKnown for oneNo
ScalabilityDiffers2S4S
Processor special features2 differ
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyDiffers2.0Yes
Intel Demand Based SwitchingKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® vPro™ Platform EligibilityDiffersYesNo
Intel Flex Memory AccessKnown for oneNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for oneVT-d, VT-x

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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