Product comparison · 2 cpus

Acer Intel Xeon E5-2603 vs Dell Intel Xeon E5649

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  • 35specifications compared
  • 19differ
  • 16identical
  • 16known for one product only

Key differences

  • Processor family
    • Intel Xeon E5-2603:Intel® Xeon® E5 Family
    • Intel Xeon E5649:Intel® Xeon® 5000 Sequence
  • Processor model
    • Intel Xeon E5-2603:E5-2603
    • Intel Xeon E5649:E5649
  • Processor base frequency
    • Intel Xeon E5-2603:1.8 GHz
    • Intel Xeon E5649:2.53 GHz
  • Processor cores
    • Intel Xeon E5-2603:4
    • Intel Xeon E5649:6
  • Processor socket
    • Intel Xeon E5-2603:LGA 2011 (Socket R)
    • Intel Xeon E5649:Socket B (LGA 1366)
  • Processor threads
    • Intel Xeon E5-2603:4
    • Intel Xeon E5649:12
  • System bus rate
    • Intel Xeon E5-2603:6.4 GT/s
    • Intel Xeon E5649:5.86 GT/s
  • Processor cache
    • Intel Xeon E5-2603:10 MB
    • Intel Xeon E5649:12 MB

Side by side

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Comparison of Intel Xeon E5-2603, Intel Xeon E5649
51 specifications
Processor11 differ
Processor familyDiffersIntel® Xeon® E5 FamilyIntel® Xeon® 5000 Sequence
Processor modelDiffersE5-2603E5649
Processor base frequencyDiffers1.8 GHz2.53 GHz
Processor coresDiffers46
Processor socketDiffersLGA 2011 (Socket R)Socket B (LGA 1366)
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers412
System bus rateDiffers6.4 GT/s5.86 GT/s
Processor operating modes64-bit64-bit
Processor cacheDiffers10 MB12 MB
Processor cache typeL3L3
Thermal Design Power (TDP)80 W80 W
VID Voltage RangeDiffers0.60 - 1.35 V0.75 - 1.35 V
SteppingDiffersM1B1
CPU multiplier (bus/core ratio)Known for one18Unknown — not stated by the source
Number of QPI links22
Memory bandwidth supported by processor (max)Differs34.1 GB/s32 GB/s
Processor system typeKnown for oneDPUnknown — not stated by the source
Processor boost frequencyKnown for oneUnknown — not stated by the source2.93 GHz
Bus typeKnown for oneUnknown — not stated by the sourceQPI
Memory3 differ
Maximum internal memory supported by processorDiffers750 GB288 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066 MHz800,1066,1333 MHz
Memory channelsDiffersQuad-channelTriple-channel
ECCYesYes
Graphics1 differ
On-board graphics cardDiffersYesNo
Features1 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesKnown for oneYesUnknown — not stated by the source
Market segmentServerServer
PCI Express slots versionKnown for one3.0Unknown — not stated by the source
Supported instruction setsDiffersAVXSSE4.2
Embedded options availableKnown for oneNoUnknown — not stated by the source
ScalabilityKnown for oneS2SUnknown — not stated by the source
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
Processor special features2 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel Flex Memory AccessKnown for oneYesUnknown — not stated by the source
Intel Trusted Execution TechnologyYesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Turbo Boost TechnologyDiffersNoYes
Intel Demand Based SwitchingYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel® vPro™ Platform EligibilityKnown for oneYesUnknown — not stated by the source
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceYes
Operational conditions1 differ
TcaseDiffers70 °C76.2 °C
Weight & dimensionsidentical
Processor package sizeKnown for one52.5 mmUnknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for oneUnknown — not stated by the sourceVT-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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