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Product comparison · 2 cpus

HP Intel Pentium G645 vs NEC Intel Xeon E5-2420

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  • 34specifications compared
  • 23differ
  • 11identical
  • 30known for one product only

Key differences

  • Processor family
    • Intel Pentium G
    • Intel® Xeon® E5 Family
  • Processor model
    • G645
    • E5-2420
  • Processor base frequency
    • 2.9 GHz
    • 1.9 GHz
  • Processor cores
    • 2
    • 6
  • Component for
    • PC
    • Server/workstation
  • Processor threads
    • 2
    • 12
  • System bus rate
    • 5 GT/s
    • 7.2 GT/s
  • Processor cache
    • 3 MB
    • 15 MB

Side by side

Differences highlightedShow differences only
64 specifications
A

HP

Intel Pentium G645View product
B

NEC

Intel Xeon E5-2420View product
Processor12 differ
Processor familyDiffersIntel Pentium GIntel® Xeon® E5 Family
Processor modelDiffersG645E5-2420
Processor base frequencyDiffers2.9 GHz1.9 GHz
Processor coresDiffers26
Processor socketKnown for oneLGA 1155 (Socket H2)
Package typeKnown for oneTray
Component forDiffersPCServer/workstation
Processor threadsDiffers212
System bus rateDiffers5 GT/s7.2 GT/s
Processor cacheDiffers3 MB15 MB
Thermal Design Power (TDP)Differs65 W95 W
Compatible chipsetsDiffersIntel® B65 Express, Intel® B75 Express, Intel® H61 Express, Intel® H67 Express, Intel® H77 Express, Intel® P67 Express, Intel® Q65 Express, Intel® Q67 Express, Intel Q75 Express, Intel® Z68 Express, Intel® Z75 Express, Intel® Z77 ExpressIntel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
SteppingDiffersQ0C2
CPU multiplier (bus/core ratio)Known for one29
Memory bandwidth supported by processor (max)Differs17 GB/s32 GB/s
Processor boost frequencyKnown for one2.4 GHz
VID Voltage RangeKnown for one0.6 - 1.35 V
Bus typeKnown for oneQPI
Number of QPI linksKnown for one1
Memory3 differ
Maximum internal memory supported by processorDiffers32 GB375 GB
Memory clock speeds supported by processorDiffers1066 MHz800,1066,1333 MHz
Memory channelsDiffersDual-channelTriple-channel
ECCKnown for oneYes
Graphics1 differ
On-board graphics cardDiffersYesNo
On-board graphics card modelKnown for oneIntel® HD Graphics
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
Number of displays supported (on-board graphics)Known for one2
Features3 differ
Market segmentDiffersDesktopServer
Supported instruction setsDiffersSSE4.1, SSE4.2AVX
CPU configuration (max)Differs12
Embedded options availableKnown for oneNo
ScalabilityKnown for oneS2S
Processor special features4 differ
Intel Dual Display Capable TechnologyKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyDiffersNoYes
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Intel® vPro™ Platform EligibilityDiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel Demand Based SwitchingKnown for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Operational conditionsidentical
TcaseKnown for one69.1 °C
Weight & dimensionsidentical
Processor package sizeKnown for one37.5 mm
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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