Product comparison · 2 cpus

Lenovo Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W vs Lenovo Xeon E5-2620 6C 2.0GHz 15MB

Add a product
  • 46specifications compared
  • 9differ
  • 37identical
  • 4known for one product only

Key differences

  • Processor model
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:E5-2420
    • Xeon E5-2620 6C 2.0GHz 15MB:E5-2620
  • Processor base frequency
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:1.9 GHz
    • Xeon E5-2620 6C 2.0GHz 15MB:2 GHz
  • Processor socket
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:LGA 1356 (Socket B2)
    • Xeon E5-2620 6C 2.0GHz 15MB:LGA 2011 (Socket R)
  • Processor boost frequency
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:2.4 GHz
    • Xeon E5-2620 6C 2.0GHz 15MB:2.5 GHz
  • Number of QPI links
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:1
    • Xeon E5-2620 6C 2.0GHz 15MB:2
  • Memory bandwidth supported by processor (max)
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:32 GB/s
    • Xeon E5-2620 6C 2.0GHz 15MB:42.6 GB/s
  • Maximum internal memory supported by processor
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:375 GB
    • Xeon E5-2620 6C 2.0GHz 15MB:750 GB
  • Memory channels
    • Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W:Triple-channel
    • Xeon E5-2620 6C 2.0GHz 15MB:Quad-channel

Side by side

Differences highlightedShow differences only (off)
Comparison of Xeon E5-2420 6C 1.9GHz 15MB Cache 1333MHz 95W, Xeon E5-2620 6C 2.0GHz 15MB
50 specifications
Processor6 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2420E5-2620
Processor base frequencyDiffers1.9 GHz2 GHz
Processor cores66
Processor socketDiffersLGA 1356 (Socket B2)LGA 2011 (Socket R)
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threads1212
System bus rate7.2 GT/s7.2 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers2.4 GHz2.5 GHz
Processor cache15 MB15 MB
Processor cache typeL3L3
Processor front side bus1333 MHz1333 MHz
Thermal Design Power (TDP)95 W95 W
VID Voltage Range0.6 - 1.35 V0.6 - 1.35 V
Bus typeQPIQPI
Number of QPI linksDiffers12
Memory bandwidth supported by processor (max)Differs32 GB/s42.6 GB/s
CPU multiplier (bus/core ratio)Known for oneUnknown — not stated by the source25
Memory2 differ
Maximum internal memory supported by processorDiffers375 GB750 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor800,1066,1333 MHz800,1066,1333 MHz
Memory channelsDiffersTriple-channelQuad-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Features1 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
Maximum number of PCI Express lanesDiffers2440
PCI Express slots version3.03.0
CPU configuration (max)22
Embedded options availableNoNo
ScalabilityS2SS2S
Processor special featuresidentical
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)YesYes
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Intel® Turbo Boost TechnologyYesYes
Intel Demand Based SwitchingYesYes
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
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
CompatibilityKnown for oneIBM System x3300 M4 (7382)Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for oneUnknown — not stated by the source77.4 °C

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.

More cpu comparisons

All cpu comparisons