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Product comparison · 2 pcs/workstations

Lenovo A70 + 19" monitor vs Lenovo C20 + 23" LCD

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  • 74specifications compared
  • 34differ
  • 40identical
  • 33known for one product only

Key differences

The Lenovo C20 + 23" LCD has 2 more processor cores than the Lenovo A70 + 19" monitor (4 vs 2). The Lenovo C20 + 23" LCD has 2 more processor threads than the Lenovo A70 + 19" monitor (4 vs 2). The Lenovo A70 + 19" monitor has 0.74 GHz more processor frequency than the Lenovo C20 + 23" LCD (3 GHz vs 2.26 GHz). Only the Lenovo C20 + 23" LCD has ECC supported by processor. Only the Lenovo C20 + 23" LCD has Intel Demand Based Switching.

  • Processor family
    • Intel® Pentium®
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • E5700
    • E5507
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 3 GHz
    • 2.26 GHz
  • Processor cache
    • 2 MB
    • 4 MB
  • Bus type
    • FSB
    • QPI
  • Processor codename
    • Wolfdale
    • Nehalem EP

Side by side

Differences highlightedShow differences only
107 specifications
A

Lenovo

A70 + 19" monitorView product
B

Lenovo

C20 + 23" LCDView product
Processor14 differ
Processor familyDiffersIntel® Pentium®Intel® Xeon® 5000 Sequence
Processor modelDiffersE5700E5507
Processor coresDiffers24
Processor threadsDiffers24
Processor frequencyDiffers3 GHz2.26 GHz
Processor cacheDiffers2 MB4 MB
Bus typeDiffersFSBQPI
System bus rateKnown for one4.8 GT/s
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Xeon 5500 Series
Processor codenameDiffersWolfdaleNehalem EP
Thermal Design Power (TDP)Differs65 W80 W
TcaseDiffers74.1 °C76 °C
Number of QPI linksKnown for one2
Number of processors installedKnown for one2
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
SteppingDiffersR0D0
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
ECC supported by processorDiffersNoYes
Processor front side busKnown for one800 MHz
Number of Processing Die TransistorsKnown for one228 M
Processing Die sizeKnown for one82 mm²
CPU multiplier (bus/core ratio)Known for one15
Memory2 differ
Internal memoryDiffers1 GB4 GB
Maximum internal memoryDiffers4 GB96 GB
Memory layout (slots x size)Known for one2 x 2 GB
Memory clock speedKnown for one1333 MHz
ECCKnown for oneYes
Memory channelsKnown for oneTriple-channel
Memory slotsKnown for one2x DIMM
Storage1 differ
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD speedDiffers5400 RPM7200 RPM
Total storage capacityKnown for one250 GB
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneIntel® 5520
Network1 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet (10/100/1000)
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers610
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
Power1 differ
Power supplyDiffers180 W800 W
Design1 differ
Chassis typeDiffersSFFTower
Rack mountingKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Operating system architectureKnown for one32-bit
Display1 differ
Display diagonalDiffers48.3 cm (19")58.4 cm (23")
Processor special features5 differ
Intel Demand Based SwitchingDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDDiffers4280137100
Processor codeKnown for oneSLBKC
Thermal Monitoring TechnologiesDiffersYesNo
CPU configuration (max)Known for one1
Processor package sizeKnown for one37.5 x 37.5 mm
Audio1 differ
Audio systemDiffersHigh Definition AudioADI 1988A
Weight & dimensions4 differ
WidthDiffers333 mm130 mm
DepthDiffers368 mm444 mm
HeightDiffers97 mm427 mm
WeightDiffers8.5 kg18.5 kg
Graphicsidentical
Discrete graphics card modelKnown for oneIntel® GMA 4500M
Graphics card familyKnown for oneIntel

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