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Product comparison · 2 pcs/workstations

Lenovo C20 + NVIDIA Quadro 2000 vs Lenovo M91p + ThinkVision D186

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  • 90specifications compared
  • 55differ
  • 35identical
  • 44known for one product only

Key differences

The Lenovo C20 + NVIDIA Quadro 2000 has 2 more processor cores than the Lenovo M91p + ThinkVision D186 (6 vs 4). The Lenovo C20 + NVIDIA Quadro 2000 has 8 more processor threads than the Lenovo M91p + ThinkVision D186 (12 vs 4). The Lenovo M91p + ThinkVision D186 has 0.47 GHz more processor boost frequency than the Lenovo C20 + NVIDIA Quadro 2000 (3.4 GHz vs 2.93 GHz). Only the Lenovo C20 + NVIDIA Quadro 2000 has ECC supported by processor. Only the Lenovo M91p + ThinkVision D186 has display included.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Core™ i5
  • Processor model
    • E5649
    • i5-2400
  • Processor cores
    • 6
    • 4
  • Processor threads
    • 12
    • 4
  • Processor boost frequency
    • 2.93 GHz
    • 3.4 GHz
  • Processor frequency
    • 2.53 GHz
    • 3.1 GHz
  • Processor cache
    • 12 MB
    • 6 MB
  • Bus type
    • QPI
    • DMI

Side by side

Differences highlightedShow differences only
134 specifications
A

Lenovo

C20 + NVIDIA Quadro 2000View product
B

Lenovo

M91p + ThinkVision D186View product
Processor19 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Core™ i5
Processor generationKnown for one2nd gen Intel® Core™ i5
Processor modelDiffersE5649i5-2400
Processor coresDiffers64
Processor threadsDiffers124
Processor boost frequencyDiffers2.93 GHz3.4 GHz
Processor frequencyDiffers2.53 GHz3.1 GHz
Processor cacheDiffers12 MB6 MB
Bus typeDiffersQPIDMI
System bus rateDiffers5.86 GT/s5 GT/s
Processor seriesDiffersIntel Xeon 5600 SeriesIntel Core i5-2400 Desktop Series
Processor codenameDiffersWestmere EPSandy Bridge
Thermal Design Power (TDP)Differs80 W95 W
TcaseDiffers76.2 °C72.6 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express slots versionKnown for one2.0
Processor socketDiffersSocket B (LGA 1366)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs1931
Maximum internal memory supported by processorDiffers288 GB32 GB
Memory types supported by processorDiffersDDR3 800/1066/1333DDR3-SDRAM
Memory clock speeds supported by processorKnown for one1066,1333 MHz
Memory bandwidth supported by processor (max)Differs32 GB/s21 GB/s
ECC supported by processorDiffersYesNo
Processor front side busKnown for one1333 MHz
Number of QPI linksKnown for one2
Number of processors installedKnown for one1
SteppingKnown for oneB1
Memory5 differ
Internal memoryDiffers6 GB4 GB
Maximum internal memoryDiffers24 GB16 GB
Memory layout (slots x size)Differs3 x 2 GB1 x 4 GB
Memory slotsDiffers6x DIMM4x DIMM
Memory channelsDiffersTriple-channelDual-channel
ECCKnown for oneYes
Storageidentical
Total storage capacityKnown for one500 GB
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
RAID supportKnown for oneYes
Graphics1 differ
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 2000
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
On-board graphics card IDKnown for one0x102
Graphics card familyDiffersNVIDIAIntel
Maximum graphics card memoryKnown for one1.024 GB
Graphics cardKnown for oneQuadro 2000
Performance2 differ
Product typeDiffersWorkstationPC
Motherboard chipsetDiffersIntel® 5520Intel® Q67 Express
Network1 differ
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresDiffersGigabit Ethernet (10/100/1000)Gigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers108
DisplayPorts quantityDiffers21
DVI portKnown for oneNo
Serial ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
PS/2 ports quantityKnown for one0
eSATA ports quantityKnown for one1
Parallel ports quantityKnown for one0
DVI-I ports quantityKnown for one1
Power1 differ
Power supplyDiffers800 W280 W
Design1 differ
Chassis typeDiffersSFFTower
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one47 cm (18.5")
Display resolutionKnown for one1366 x 768 pixels
Contrast ratio (typical)Known for one600:1
Display brightnessKnown for one200 cd/m²
Processor special features16 differ
CPU configuration (max)Known for one1
Embedded options availableDiffersNoYes
Intel Demand Based SwitchingDiffersYesNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5258152207
Processor package sizeDiffers42.5 X 45 mm37.5 x 37.5 mm
Supported instruction setsDiffersSSE4.2AVX
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Turbo Boost TechnologyDiffers1.02.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Physical Address Extension (PAE)Known for one40 bit
Processor codeKnown for oneSLBZ8
Audio1 differ
Audio systemDiffersHDHigh Definition Audio
Weight & dimensions4 differ
WidthDiffers130 mm175 mm
DepthDiffers444 mm442 mm
HeightDiffers427 mm414 mm
WeightDiffers18.5 kg11 kg
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab

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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