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Product comparison · 2 cpus

Lenovo Xeon E5-2403 vs Lenovo Xeon E5-2440

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  • 39specifications compared
  • 12differ
  • 27identical
  • 2known for one product only

Key differences

  • Processor model
    • E5-2403
    • E5-2440
  • Processor base frequency
    • 1.8 GHz
    • 2.4 GHz
  • Processor cores
    • 4
    • 6
  • Processor threads
    • 4
    • 12
  • System bus rate
    • 6.40 GT/s
    • 7.2 GT/s
  • Processor cache
    • 10 MB
    • 15 MB
  • Thermal Design Power (TDP)
    • 80 W
    • 95 W
  • Stepping
    • M1
    • C2

Side by side

Differences highlightedShow differences only
41 specifications
A

Lenovo

Xeon E5-2403View product
B

Lenovo

Xeon E5-2440View product
Processor9 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2403E5-2440
Processor base frequencyDiffers1.8 GHz2.4 GHz
Processor coresDiffers46
Processor socketLGA 1356 (Socket B2)LGA 1356 (Socket B2)
Processor lithography32 nm32 nm
Package typeTrayTray
Component forServer/workstationServer/workstation
Processor threadsDiffers412
System bus rateDiffers6.40 GT/s7.2 GT/s
Processor operating modes64-bit64-bit
Processor cacheDiffers10 MB15 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs80 W95 W
VID Voltage Range0.6 - 1.35 V0.6 - 1.35 V
SteppingDiffersM1C2
Bus typeQPIQPI
Number of QPI links11
Memory bandwidth supported by processor (max)Differs25 GB/s32 GB/s
Processor boost frequencyKnown for one2.9 GHz
Memory1 differ
Maximum internal memory supported by processor375 GB375 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066 MHz800,1066,1333 MHz
Memory channelsTriple-channelTriple-channel
ECCYesYes
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots versionKnown for one3.0
Processor special features2 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel Flex Memory AccessYesYes
Intel Trusted Execution TechnologyYesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel Demand Based SwitchingYesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® vPro™ Platform EligibilityYesYes
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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