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Product comparison · 2 pcs/workstations

Lenovo D20 + NVIDIA Quadro 4000 vs Lenovo M92p + ThinkVision L2251x

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  • 91specifications compared
  • 59differ
  • 32identical
  • 47known for one product only

Key differences

The Lenovo D20 + NVIDIA Quadro 4000 has 4 more processor threads than the Lenovo M92p + ThinkVision L2251x (8 vs 4). The Lenovo M92p + ThinkVision L2251x has 0.94 GHz more processor boost frequency than the Lenovo D20 + NVIDIA Quadro 4000 (3.6 GHz vs 2.66 GHz). The Lenovo M92p + ThinkVision L2251x has 0.8 GHz more processor frequency than the Lenovo D20 + NVIDIA Quadro 4000 (3.2 GHz vs 2.4 GHz). Only the Lenovo D20 + NVIDIA Quadro 4000 has ECC supported by processor. Only the Lenovo M92p + ThinkVision L2251x has display included.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Core™ i5
  • Processor model
    • E5620
    • i5-3470
  • Processor threads
    • 8
    • 4
  • Processor boost frequency
    • 2.66 GHz
    • 3.6 GHz
  • Processor frequency
    • 2.4 GHz
    • 3.2 GHz
  • Processor cache
    • 12 MB
    • 6 MB
  • Bus type
    • QPI
    • DMI
  • System bus rate
    • 5.86 GT/s
    • 5 GT/s

Side by side

Differences highlightedShow differences only
138 specifications
A

Lenovo

D20 + NVIDIA Quadro 4000View product
B

Lenovo

M92p + ThinkVision L2251xView product
Processor20 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Core™ i5
Processor generationKnown for one3rd gen Intel® Core™ i5
Processor modelDiffersE5620i5-3470
Processor cores44
Processor threadsDiffers84
Processor boost frequencyDiffers2.66 GHz3.6 GHz
Processor frequencyDiffers2.4 GHz3.2 GHz
Processor cacheDiffers12 MB6 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDiffersQPIDMI
FSB ParityNoNo
System bus rateDiffers5.86 GT/s5 GT/s
Processor lithographyDiffers32 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Xeon 5600 SeriesIntel Core i5-3400 Desktop series
Processor codenameDiffersWestmere EPIvy Bridge
Thermal Design Power (TDP)Differs80 W77 W
TcaseDiffers77.6 °C67.4 °C
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one3.0
Number of processors installedDiffers21
Processor socketDiffersSocket B (LGA 1366)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs1832
Maximum internal memory supported by processorDiffers288 GB32 GB
Memory types supported by processorDiffersDDR3 800/1066DDR3 1333/1600
Memory clock speeds supported by processorDiffers800,1066 MHz1333,1600 MHz
Memory bandwidth supported by processor (max)25.6 GB/s25.6 GB/s
ECC supported by processorDiffersYesNo
Number of QPI linksKnown for one2
SteppingKnown for oneB1
Memory6 differ
Internal memoryDiffers8 GB4 GB
Maximum internal memoryDiffers96 GB32 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs4 x 16 GB1 x 4 GB
Memory slotsDiffers12x DIMM4x DIMM
Memory clock speedDiffers1333 MHz1600 MHz
Memory channelsDiffersTriple-channelDual-channel
ECCKnown for oneYes
Storage2 differ
Total storage capacityKnown for one500 GB
Optical drive typeDiffersDVD+/-RWDVD Super Multi
Number of HDDs installed11
HDD capacityDiffers1 TB500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedYesYes
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNot available
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics 2500
Number of displays supported (on-board graphics)Known for one3
On-board graphics card base frequencyKnown for one650 MHz
On-board graphics card dynamic frequency (max)Known for one1150 MHz
On-board graphics card IDKnown for one0x152
Graphics card familyKnown for oneIntel
Graphics cardKnown for oneNo
Performance2 differ
Product typeDiffersWorkstationPC
Motherboard chipsetDiffersIntel® 5520Intel® Q77 Express
Networkidentical
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet (10/100/1000)
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers104
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one4
DisplayPorts quantityKnown for one1
Ethernet LAN (RJ-45) portsDiffers21
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
Serial ports quantity11
Firewire (IEEE 1394) portsKnown for one2
eSATA ports quantityKnown for one1
Expansion slotsidentical
Number of 3.5" baysKnown for one2
Power1 differ
Power supplyDiffers1060 W240 W
Design1 differ
Chassis typeDiffersTowerSFF
Number of 5.25" baysKnown for one1
Product colourKnown for oneBlack
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one55.9 cm (22")
Display resolutionKnown for one1680 x 1050 pixels
Native aspect ratioKnown for one16:10
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one170°
Viewing angle, verticalKnown for one160°
Processor special features19 differ
CPU configuration (max)Differs21
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingDiffersYesNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology versionKnown for one1.00
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Processor ARK IDDiffers4792568316
Processor package sizeDiffers42.5 X 45 mm37.5 mm
Supported instruction setsDiffersSSE4.2AVX, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Thermal solution specificationKnown for onePCG 2011D
Intel® Turbo Boost TechnologyDiffers1.02.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Conflict-Free processorDiffersNoYes
Physical Address Extension (PAE)Known for one40 bit
Processor codeKnown for oneSLBV4
Audioidentical
Audio systemHigh Definition AudioHigh Definition Audio
Number of speakersKnown for one1
Weight & dimensions4 differ
WidthDiffers210 mm338 mm
DepthDiffers602 mm385 mm
HeightDiffers485 mm100 mm
WeightDiffers27.1 kg7.5 kg
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainability1 differ
Sustainability certificatesDiffersEPEAT GoldEPEAT Gold, ENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional

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