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Product comparison · 2 pcs/workstations

Lenovo A70 + 19" LCD vs Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x

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  • 80specifications compared
  • 44differ
  • 36identical
  • 34known for one product only

Key differences

The Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has 2 more processor cores than the Lenovo A70 + 19" LCD (4 vs 2). The Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has 6 more processor threads than the Lenovo A70 + 19" LCD (8 vs 2). The Lenovo A70 + 19" LCD has 0.6 GHz more processor frequency than the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x (3 GHz vs 2.4 GHz). Only the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has ECC supported by processor. Only the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has card reader integrated.

  • Processor family
    • Intel® Pentium®
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • E5700
    • E5620
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 8
  • Processor frequency
    • 3 GHz
    • 2.4 GHz
  • Processor cache
    • 2 MB
    • 12 MB
  • Bus type
    • FSB
    • QPI
  • Processor lithography
    • 45 nm
    • 32 nm

Side by side

Differences highlightedShow differences only
114 specifications
A

Lenovo

A70 + 19" LCDView product
B

Lenovo

D20 + NVIDIA Quadro 2000 + ThinkVision L2251xView product
Processor16 differ
Processor familyDiffersIntel® Pentium®Intel® Xeon® 5000 Sequence
Processor modelDiffersE5700E5620
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyKnown for one2.66 GHz
Processor frequencyDiffers3 GHz2.4 GHz
Processor cacheDiffers2 MB12 MB
Bus typeDiffersFSBQPI
System bus rateKnown for one5.86 GT/s
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Xeon 5600 Series
Processor codenameDiffersWolfdaleWestmere EP
Thermal Design Power (TDP)Differs65 W80 W
TcaseDiffers74.1 °C77.6 °C
Number of QPI linksKnown for one2
Number of processors installedKnown for one2
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
CPU multiplier (bus/core ratio)Differs1518
SteppingDiffersR0B1
Maximum internal memory supported by processorKnown for one288 GB
Memory types supported by processorKnown for oneDDR3 800/1066
Memory clock speeds supported by processorKnown for one800,1066 MHz
Memory bandwidth supported by processor (max)Known for one25.6 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
Memory4 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers4 GB48 GB
Internal memory typeKnown for oneDDR3-SDRAM
Memory layout (slots x size)Differs1 x 2 GB2 x 2 GB
Memory slotsDiffers2x DIMM12x DIMM
ECCKnown for oneYes
Memory channelsKnown for oneTriple-channel
Storage1 differ
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Card reader integratedDiffersNoYes
Total storage capacityKnown for one320 GB
Graphicsidentical
Graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneIntel® GMA X4500
Graphics card familyKnown for oneIntel
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 & interfaces2 differ
USB 2.0 ports quantityDiffers610
Ethernet LAN (RJ-45) portsDiffers12
PS/2 ports quantityKnown for one2
Firewire (IEEE 1394) portsKnown for one2
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
Power1 differ
Power supplyDiffers180 W1060 W
Power supply input voltageKnown for one100 - 240 V
Power supply input frequencyKnown for one50 - 60 Hz
Designidentical
Product colourKnown for oneBlack
Display1 differ
Display diagonalDiffers48.3 cm (19")55.9 cm (22")
ResolutionKnown for one1680 x 1050 pixels
Processor special features12 differ
CPU configuration (max)Differs12
Embedded options availableDiffersNoYes
Intel Demand Based SwitchingDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Physical Address Extension (PAE)Known for one40 bit
Processor ARK IDDiffers4280147925
Processor codeKnown for oneSLBV4
Processor package sizeDiffers37.5 x 37.5 mm42.5 X 45 mm
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Audio1 differ
Audio systemDiffersRealtek ALC662High Definition Audio
Weight & dimensions4 differ
WidthDiffers160 mm210 mm
DepthDiffers355 mm602 mm
HeightDiffers392 mm434 mm
WeightDiffers10.5 kg25 kg

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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