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Product comparison · 2 cpus

Acer Intel Xeon E5-2643 v2 vs Fujitsu Xeon E5-2420 6C/12T 1.9GHz

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  • 41specifications compared
  • 17differ
  • 24identical
  • 11known for one product only

Key differences

The Acer Intel Xeon E5-2643 v2 has 1.6 GHz more processor base frequency than the Fujitsu Xeon E5-2420 6C/12T 1.9GHz (3.5 GHz vs 1.9 GHz). The Fujitsu Xeon E5-2420 6C/12T 1.9GHz has 10 nm more processor lithography than the Acer Intel Xeon E5-2643 v2 (32 nm vs 22 nm). The Acer Intel Xeon E5-2643 v2 has 0.8 GT/s more system bus rate than the Fujitsu Xeon E5-2420 6C/12T 1.9GHz (8 GT/s vs 7.2 GT/s). Processor family: Intel® Xeon® E5 V2 Family on the Acer Intel Xeon E5-2643 v2, Intel® Xeon® E5 Family on the Fujitsu Xeon E5-2420 6C/12T 1.9GHz. Processor model: E5-2643V2 on the Acer Intel Xeon E5-2643 v2, E5-2420 on the Fujitsu Xeon E5-2420 6C/12T 1.9GHz.

  • Processor family
    • Intel® Xeon® E5 V2 Family
    • Intel® Xeon® E5 Family
  • Processor model
    • E5-2643V2
    • E5-2420
  • Processor base frequency
    • 3.5 GHz
    • 1.9 GHz
  • Processor socket
    • LGA 2011 (Socket R)
    • LGA 1356 (Socket B2)
  • Processor lithography
    • 22 nm
    • 32 nm
  • System bus rate
    • 8 GT/s
    • 7.2 GT/s
  • Processor boost frequency
    • 3.8 GHz
    • 2.4 GHz
  • Processor cache
    • 25 MB
    • 15 MB

Side by side

Differences highlightedShow differences only
52 specifications
A

Acer

Intel Xeon E5-2643 v2View product
B

Fujitsu

Xeon E5-2420 6C/12T 1.9GHzView product
Processor12 differ
Processor familyDiffersIntel® Xeon® E5 V2 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2643V2E5-2420
Processor base frequencyDiffers3.5 GHz1.9 GHz
Processor cores66
Processor socketDiffersLGA 2011 (Socket R)LGA 1356 (Socket B2)
Processor lithographyDiffers22 nm32 nm
Package typeKnown for oneTray
Component forServer/workstationServer/workstation
Processor threads1212
System bus rateDiffers8 GT/s7.2 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3.8 GHz2.4 GHz
Processor cacheDiffers25 MB15 MB
Processor cache typeL3L3
L3 cache speedKnown for one3.5 GHz
Thermal Design Power (TDP)Differs130 W95 W
VID Voltage RangeDiffers0.65 - 1.30 V0.6 - 1.35 V
Bus typeQPIQPI
Number of QPI linksDiffers21
Memory bandwidth supported by processor (max)Differs59.7 GB/s32 GB/s
Processor front side busKnown for one1333 MHz
Memory3 differ
Maximum internal memory supported by processorDiffers768 GB375 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066,1333,1600,1866 MHz800,1066,1333 MHz
Memory channelsDiffersQuad-channelTriple-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Features1 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots version3.03.0
Supported instruction setsKnown for oneAVX
CPU configuration (max)Known for one2
ScalabilityDiffers2SS2S
Maximum number of PCI Express lanesKnown for one24
Embedded options availableKnown for oneNo
Processor special features1 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel Trusted Execution TechnologyYesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Turbo Boost TechnologyDiffers2.0Yes
Intel Demand Based SwitchingYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® Secure KeyKnown for oneYes
Intel® vPro™ Platform EligibilityYesYes
Intel Flex Memory AccessKnown for oneYes
Intel® Smart CacheKnown for oneYes
Operational conditionsidentical
TcaseKnown for one74 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-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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