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
    • A70 + 19" LCD:Intel® Pentium®
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:Intel® Xeon® 5000 Sequence
  • Processor model
    • A70 + 19" LCD:E5700
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:E5620
  • Processor cores
    • A70 + 19" LCD:2
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:4
  • Processor threads
    • A70 + 19" LCD:2
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:8
  • Processor frequency
    • A70 + 19" LCD:3 GHz
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:2.4 GHz
  • Processor cache
    • A70 + 19" LCD:2 MB
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:12 MB
  • Bus type
    • A70 + 19" LCD:FSB
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:QPI
  • Processor lithography
    • A70 + 19" LCD:45 nm
    • D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:32 nm

Side by side

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Comparison of A70 + 19" LCD, D20 + NVIDIA Quadro 2000 + ThinkVision L2251x
114 specifications
Processor16 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Xeon® 5000 Sequence
Processor modelDiffersE5700E5620
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyKnown for oneUnknown — not stated by the source2.66 GHz
Processor frequencyDiffers3 GHz2.4 GHz
Processor cacheDiffers2 MB12 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDiffersFSBQPI
FSB ParityNoNo
System bus rateKnown for oneUnknown — not stated by the source5.86 GT/s
Processor lithographyDiffers45 nm32 nm
Processor operating modes64-bit64-bit
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 oneUnknown — not stated by the source2
Number of processors installedKnown for oneUnknown — not stated by the source2
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
CPU multiplier (bus/core ratio)Differs1518
SteppingDiffersR0B1
Maximum internal memory supported by processorKnown for oneUnknown — not stated by the source288 GB
Memory types supported by processorKnown for oneUnknown — not stated by the sourceDDR3 800/1066
Memory clock speeds supported by processorKnown for oneUnknown — not stated by the source800,1066 MHz
Memory bandwidth supported by processor (max)Known for oneUnknown — not stated by the source25.6 GB/s
ECC supported by processorDiffersNoYes
Processor front side busKnown for one800 MHzUnknown — not stated by the source
Number of Processing Die TransistorsKnown for one228 MUnknown — not stated by the source
Processing Die sizeKnown for one82 mm²Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers4 GB48 GB
Internal memory typeKnown for oneUnknown — not stated by the sourceDDR3-SDRAM
Memory layout (slots x size)Differs1 x 2 GB2 x 2 GB
Memory slotsDiffers2x DIMM12x DIMM
Memory clock speed1333 MHz1333 MHz
ECCKnown for oneUnknown — not stated by the sourceYes
Memory channelsKnown for oneUnknown — not stated by the sourceTriple-channel
Storage1 differ
Optical drive typeDVD-RWDVD-RW
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD capacityKnown for oneUnknown — not stated by the source500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedDiffersNoYes
Total storage capacityKnown for one320 GBUnknown — not stated by the source
Graphicsidentical
Graphics cardKnown for oneUnknown — not stated by the sourceNo
Discrete graphics card modelKnown for oneIntel® GMA X4500Unknown — not stated by the source
Graphics card familyKnown for oneIntelUnknown — not stated by the source
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneUnknown — not stated by the sourceIntel® 5520
Network1 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet (10/100/1000)
Ethernet LANKnown for oneYesUnknown — not stated by the source
Wi-FiKnown for oneNoUnknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers610
Ethernet LAN (RJ-45) portsDiffers12
Headphone outputs11
Microphone inYesYes
PS/2 ports quantityKnown for oneUnknown — not stated by the source2
Firewire (IEEE 1394) portsKnown for oneUnknown — not stated by the source2
Serial ports quantity11
VGA (D-Sub) ports quantityKnown for one1Unknown — not stated by the source
DVI portKnown for oneNoUnknown — not stated by the source
Power1 differ
Power supplyDiffers180 W1060 W
Power supply input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Power supply input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Designidentical
Chassis typeTowerTower
Product colourKnown for oneBlackUnknown — not stated by the source
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Display1 differ
Display includedYesYes
Display diagonalDiffers48.3 cm (19")55.9 cm (22")
ResolutionKnown for oneUnknown — not stated by the source1680 x 1050 pixels
Processor special features12 differ
CPU configuration (max)Differs12
Embedded options availableDiffersNoYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingDiffersNoYes
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Known for oneUnknown — not stated by the source40 bit
Processor ARK IDDiffers4280147925
Processor codeKnown for oneUnknown — not stated by the sourceSLBV4
Processor package sizeDiffers37.5 x 37.5 mm42.5 X 45 mm
Supported instruction setsKnown for oneUnknown — not stated by the sourceSSE4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
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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