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Product comparison · 2 pcs/workstations

Lenovo C20 + ThinkVision L2321x vs Lenovo ThinkCentre A70 + ThinkVision L2251p

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  • 76specifications compared
  • 35differ
  • 41identical
  • 41known for one product only

Key differences

The Lenovo C20 + ThinkVision L2321x has 2 more processor cores than the Lenovo ThinkCentre A70 + ThinkVision L2251p (4 vs 2). The Lenovo C20 + ThinkVision L2321x has 2 more processor threads than the Lenovo ThinkCentre A70 + ThinkVision L2251p (4 vs 2). The Lenovo ThinkCentre A70 + ThinkVision L2251p has 0.67 GHz more processor frequency than the Lenovo C20 + ThinkVision L2321x (2.93 GHz vs 2.26 GHz). Only the Lenovo C20 + ThinkVision L2321x has ECC supported by processor. Only the Lenovo C20 + ThinkVision L2321x has Intel Demand Based Switching.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Core™2 Duo
  • Processor model
    • E5507
    • E7500
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.26 GHz
    • 2.93 GHz
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor cache type
    • Smart Cache
    • L2
  • Bus type
    • QPI
    • FSB

Side by side

Differences highlightedShow differences only
117 specifications
A

Lenovo

C20 + ThinkVision L2321xView product
B

Lenovo

ThinkCentre A70 + ThinkVision L2251pView product
Processor15 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Core™2 Duo
Processor modelDiffersE5507E7500
Processor coresDiffers42
Processor threadsDiffers42
Processor frequencyDiffers2.26 GHz2.93 GHz
Processor cacheDiffers4 MB3 MB
Processor cache typeDiffersSmart CacheL2
Processor front side busKnown for one1066 MHz
Bus typeDiffersQPIFSB
Processor seriesDiffersIntel Xeon 5500 SeriesIntel Core 2 Duo E7000 Series
Processor codenameDiffersNehalem EPWolfdale
Thermal Design Power (TDP)Differs80 W65 W
TcaseDiffers76 °C74.1 °C
Processor socketDiffersSocket B (LGA 1366)LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one228 M
Processing Die sizeKnown for one82 mm²
CPU multiplier (bus/core ratio)Known for one11
SteppingDiffersD0R0
ECC supported by processorDiffersYesNo
System bus rateKnown for one4.8 GT/s
Number of QPI linksKnown for one2
Number of processors installedKnown for one2
Maximum internal memory supported by processorKnown for one144 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800 MHz
Memory bandwidth supported by processor (max)Known for one19.2 GB/s
Memory3 differ
Internal memoryDiffers4 GB2 GB
Maximum internal memoryDiffers96 GB4 GB
Memory layout (slots x size)Differs2 x 2 GB1 x 2 GB
Memory slotsKnown for one2x DIMM
Memory clock speedKnown for one1333 MHz
ECCKnown for oneYes
Memory channelsKnown for oneTriple-channel
Storageidentical
Total storage capacityKnown for one320 GB
Floppy drive installedKnown for oneNo
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA X4500
Graphics card familyKnown for oneIntel
Performance1 differ
Product typeDiffersWorkstationPC
Audio output channelsKnown for one5.1 channels
Motherboard chipsetKnown for oneIntel® 5520
Network1 differ
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresDiffersGigabit Ethernet (10/100/1000)Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers108
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
PS/2 ports quantityKnown for one2
Power1 differ
Power supplyDiffers800 W180 W
Designidentical
Rack mountingKnown for oneYes
Display1 differ
Display diagonalDiffers58.4 cm (23")55.9 cm (22")
Display resolutionKnown for one1680 x 1050 pixels
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one170°
Viewing angle, verticalKnown for one160°
ResolutionKnown for one1920 x 1080 pixels
Processor special features7 differ
Intel Demand Based SwitchingDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Intel Virtualization Technology (VT-x)DiffersYes2
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Processor ARK IDDiffers3710036503
Processor codeDiffersSLBKCSLB9Z
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Audio1 differ
Audio systemDiffersADI 1988AHigh Definition Audio
Weight & dimensions4 differ
WidthDiffers130 mm160 mm
DepthDiffers444 mm355 mm
HeightDiffers427 mm392 mm
WeightDiffers18.5 kg10.5 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Other featuresidentical
TV tuner integratedKnown 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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