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Product comparison · 2 cpus

Dell Xeon E5-2440 vs Dell Xeon E5-2665

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  • 49specifications compared
  • 17differ
  • 32identical
  • 7known for one product only

Key differences

  • Processor model
    • E5-2440
    • E5-2665
  • Processor cores
    • 6
    • 8
  • Processor socket
    • LGA 1356 (Socket B2)
    • LGA 2011 (Socket R)
  • Processor threads
    • 12
    • 16
  • System bus rate
    • 7.2 GT/s
    • 8 GT/s
  • Processor boost frequency
    • 2.9 GHz
    • 3.1 GHz
  • Processor cache
    • 15 MB
    • 20 MB
  • Thermal Design Power (TDP)
    • 95 W
    • 115 W

Side by side

Differences highlightedShow differences only
56 specifications
A

Dell

Xeon E5-2440View product
B

Dell

Xeon E5-2665View product
Processor11 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2440E5-2665
Processor base frequency2.4 GHz2.4 GHz
Processor coresDiffers68
Processor socketDiffersLGA 1356 (Socket B2)LGA 2011 (Socket R)
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers1216
System bus rateDiffers7.2 GT/s8 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers2.9 GHz3.1 GHz
Processor cacheDiffers15 MB20 MB
Processor cache typeL3L3
L3 cache speed2.4 GHz2.4 GHz
Thermal Design Power (TDP)Differs95 W115 W
VID Voltage RangeDiffers0.6 - 1.35 V0.60 - 1.35 V
SteppingC2C2
Bus typeQPIQPI
CPU multiplier (bus/core ratio)Known for one31
Number of QPI linksDiffers12
Memory bandwidth supported by processor (max)Differs32 GB/s51.2 GB/s
Compatible chipsetsKnown for oneIntel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
Memory2 differ
Maximum internal memory supported by processor384 GB384 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066,1333 MHz800,1066,1333,1600 MHz
Memory channelsDiffersTriple-channelQuad-channel
ECCYesYes
Features1 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
Maximum number of PCI Express lanesDiffers2440
PCI Express slots version3.03.0
Supported instruction setsAVXAVX
CPU configuration (max)22
Embedded options availableNoNo
ScalabilityS2SS2S
Processor special features1 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Turbo Boost TechnologyDiffersYes2.0
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
Intel QuickPath InterconnectKnown for oneYes
Operational conditionsidentical
TcaseKnown for one81.8 °C
Weight & dimensions1 differ
Processor package sizeDiffers45 mm52.5 mm
Other features1 differ
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
CompatibilityDiffersDELL PowerEdge R420, DX6104 CSN, DX6104 SNDELL PowerEdge T620
Graphicsidentical
On-board graphics cardKnown for oneNo

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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