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Product comparison · 2 cpus

HP Intel Pentium G840 vs HP Intel Xeon L3406

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  • 17specifications compared
  • 12differ
  • 5identical
  • 37known for one product only

Key differences

  • Processor family
    • Intel Pentium G
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • 840
    • L3406
  • Processor base frequency
    • 2.8 GHz
    • 2.26 GHz
  • Processor socket
    • LGA 1155 (Socket H2)
    • LGA 1156 (Socket H)
  • Component for
    • PC
    • Server/workstation
  • Processor threads
    • 2
    • 4
  • System bus rate
    • 5 GT/s
    • 2.5 GT/s
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
54 specifications
A

HP

Intel Pentium G840View product
B

HP

Intel Xeon L3406View product
Processor10 differ
Processor familyDiffersIntel Pentium GIntel® Xeon® 3000 Sequence
Processor modelDiffers840L3406
Processor base frequencyDiffers2.8 GHz2.26 GHz
Processor cores22
Processor socketDiffersLGA 1155 (Socket H2)LGA 1156 (Socket H)
Processor lithography32 nm32 nm
Component forDiffersPCServer/workstation
Processor threadsDiffers24
System bus rateDiffers5 GT/s2.5 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyKnown for one2.53 GHz
Processor cacheDiffers3 MB4 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs65 W30 W
VID Voltage RangeKnown for one0.65 - 1.4 V
Bus typeKnown for oneDMI
Memory bandwidth supported by processor (max)Differs21 GB/s17 GB/s
Package typeKnown for oneTray
CPU multiplier (bus/core ratio)Known for one28
Memory1 differ
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorDiffers1066,1333 MHz1066 MHz
Memory channelsDual-channelDual-channel
ECCKnown for oneYes
Maximum internal memory supported by processorKnown for one32 GB
Graphicsidentical
On-board graphics cardKnown for oneNo
Features1 differ
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Thermal Monitoring TechnologiesKnown for oneNo
Market segmentDiffersDesktopServer
Maximum number of PCI Express lanesKnown for one1
PCI Express slots versionKnown for one2.0
PCI Express configurationsKnown for one1x16, 2x8
Number of Processing Die TransistorsKnown for one382 M
Processing Die sizeKnown for one81 mm²
Number of Graphics & IMC Die TransistorsKnown for one177 M
Graphics & IMC Die SizeKnown for one114 mm²
Embedded options availableKnown for oneNo
Graphics & IMC lithographyKnown for one45 nm
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyKnown for oneYes
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 EligibilityKnown for oneNo
Operational conditionsidentical
TcaseKnown for one53.9 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for oneVT-d, VT-x
Temperature (max)Known for one69.1 °C
Weight & dimensionsidentical
WidthKnown for one37.5 mm
DepthKnown for one37.5 mm

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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