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Product comparison · 2 cpus

Lenovo Intel Xeon E5-2665 vs Lenovo Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80W

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  • 42specifications compared
  • 16differ
  • 26identical
  • 13known for one product only

Key differences

  • Processor model
    • E5-2665
    • E5-2403
  • Processor base frequency
    • 2.4 GHz
    • 1.8 GHz
  • Processor cores
    • 8
    • 4
  • Processor socket
    • LGA 2011 (Socket R)
    • LGA 1356 (Socket B2)
  • Processor threads
    • 16
    • 4
  • System bus rate
    • 8 GT/s
    • 6.4 GT/s
  • Processor cache
    • 20 MB
    • 10 MB
  • Thermal Design Power (TDP)
    • 115 W
    • 80 W

Side by side

Differences highlightedShow differences only
55 specifications
A

Lenovo

Intel Xeon E5-2665View product
B

Lenovo

Xeon E5-2403 4C 1.8GHz 10MB Cache 1066MHz 80WView product
Processor11 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2665E5-2403
Processor base frequencyDiffers2.4 GHz1.8 GHz
Processor coresDiffers84
Processor socketDiffersLGA 2011 (Socket R)LGA 1356 (Socket B2)
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers164
System bus rateDiffers8 GT/s6.4 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyKnown for one3.1 GHz
Processor cacheDiffers20 MB10 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs115 W80 W
VID Voltage RangeDiffers0.60 - 1.35 V0.6 - 1.35 V
SteppingKnown for oneC2
Bus typeQPIQPI
CPU multiplier (bus/core ratio)Known for one31
Number of QPI linksDiffers21
Memory bandwidth supported by processor (max)Differs51.2 GB/s25 GB/s
Processor codeKnown for oneSR0L1
Processor front side busKnown for one1066 MHz
Memory3 differ
Maximum internal memory supported by processorDiffers750 GB375 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066,1333,1600 MHz800,1066 MHz
Memory channelsDiffersQuad-channelTriple-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots version3.03.0
Supported instruction setsKnown for oneAVX
CPU configuration (max)22
ScalabilityS2SS2S
Maximum number of PCI Express lanesKnown for one24
Embedded options availableKnown for oneNo
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)DiffersYesNo
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyDiffers2.0No
Intel Demand Based SwitchingYesYes
Intel Enhanced Halt StateKnown for oneYes
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® vPro™ Platform EligibilityYesYes
Operational conditionsidentical
TcaseKnown for one81.8 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
Height (imperial)Known for one5.59 mm (0.22")
CompatibilityKnown for oneIBM System x3300 M4 (7382)

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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