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Product comparison · 2 cpus

HP Z640 Xeon E5-2620v3 2.4GHz 1866MHz 6 Core 2nd CPU vs Lenovo Intel Xeon E5-2648L

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  • 21specifications compared
  • 13differ
  • 8identical
  • 23known for one product only

Key differences

  • Processor family
    • Intel Xeon E5 v3
    • Intel® Xeon® E5 Family
  • Processor model
    • E5-2620V3
    • E5-2648L
  • Processor base frequency
    • 2.4 GHz
    • 1.8 GHz
  • 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
    • 2.1 GHz

Side by side

Differences highlightedShow differences only
44 specifications
A

HP

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

Lenovo

Intel Xeon E5-2648LView product
Processor10 differ
Processor familyDiffersIntel Xeon E5 v3Intel® Xeon® E5 Family
Processor modelDiffersE5-2620V3E5-2648L
Processor base frequencyDiffers2.4 GHz1.8 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 GHz2.1 GHz
Processor cacheDiffers15 MB20 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs85 W70 W
Bus typeKnown for oneQPI
Number of QPI linksKnown for one2
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
Market segmentDiffersServerEmbedded
Maximum number of PCI Express lanesKnown for one40
PCI Express slots versionKnown for one3.0
CPU configuration (max)Known for one2
Embedded options availableKnown for oneYes
ScalabilityKnown for one2S
Processor special features1 differ
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Intel Flex Memory AccessNoNo
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® Identity Protection Technology (Intel® IPT)NoNo
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost Technology2.02.0
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
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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