Product comparison · 2 pcs/workstations

Lenovo S20 + 23" LCD vs Lenovo ThinkCentre M90p + ThinkVision L1951p

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  • 87specifications compared
  • 48differ
  • 39identical
  • 41known for one product only

Key differences

The Lenovo S20 + 23" LCD has 2 more processor cores than the Lenovo ThinkCentre M90p + ThinkVision L1951p (4 vs 2). The Lenovo S20 + 23" LCD has 4 more processor threads than the Lenovo ThinkCentre M90p + ThinkVision L1951p (8 vs 4). The Lenovo ThinkCentre M90p + ThinkVision L1951p has 0.13 GHz more processor boost frequency than the Lenovo S20 + 23" LCD (3.46 GHz vs 3.33 GHz). Only the Lenovo S20 + 23" LCD has ECC supported by processor. Only the Lenovo S20 + 23" LCD has card reader integrated.

  • Processor family
    • S20 + 23" LCD:Intel® Xeon® 3000 Sequence
    • ThinkCentre M90p + ThinkVision L1951p:Intel® Core™ i5
  • Processor model
    • S20 + 23" LCD:W3550
    • ThinkCentre M90p + ThinkVision L1951p:i5-650
  • Processor cores
    • S20 + 23" LCD:4
    • ThinkCentre M90p + ThinkVision L1951p:2
  • Processor threads
    • S20 + 23" LCD:8
    • ThinkCentre M90p + ThinkVision L1951p:4
  • Processor boost frequency
    • S20 + 23" LCD:3.33 GHz
    • ThinkCentre M90p + ThinkVision L1951p:3.46 GHz
  • Processor frequency
    • S20 + 23" LCD:3.06 GHz
    • ThinkCentre M90p + ThinkVision L1951p:3.2 GHz
  • Processor cache
    • S20 + 23" LCD:8 MB
    • ThinkCentre M90p + ThinkVision L1951p:4 MB
  • Bus type
    • S20 + 23" LCD:QPI
    • ThinkCentre M90p + ThinkVision L1951p:DMI

Side by side

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Comparison of S20 + 23" LCD, ThinkCentre M90p + ThinkVision L1951p
128 specifications
Processor23 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon® 3000 SequenceIntel® Core™ i5
Processor generationKnown for oneUnknown — not stated by the sourceIntel® Core™ i5
Processor modelDiffersW3550i5-650
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.33 GHz3.46 GHz
Processor frequencyDiffers3.06 GHz3.2 GHz
Processor cacheDiffers8 MB4 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDiffersQPIDMI
FSB ParityNoNo
System bus rateDiffers4.8 GT/s2.5 GT/s
Processor lithographyDiffers45 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Xeon 3500 SeriesIntel Core i5-600 Desktop Series
Processor codenameDiffersBloomfieldClarkdale
Thermal Design Power (TDP)Differs130 W73 W
TcaseDiffers67.9 °C72.6 °C
Maximum number of PCI Express lanesKnown for oneUnknown — not stated by the source16
PCI Express configurationsKnown for oneUnknown — not stated by the source1x16, 2x8
PCI Express slots versionKnown for oneUnknown — not stated by the source2.0
Processor socketDiffersSocket B (LGA 1366)LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers731 M382 M
Processing Die sizeDiffers263 mm²81 mm²
CPU multiplier (bus/core ratio)Differs2324
SteppingDiffersD0C2
Maximum internal memory supported by processorDiffers24 GB16 GB
Memory types supported by processorDiffersDDR3-SDRAMDDR3 1066/1333
Memory bandwidth supported by processor (max)Differs25.6 GB/s21 GB/s
ECC supported by processorDiffersYesNo
Number of QPI linksKnown for one1Unknown — not stated by the source
Number of processors installedKnown for one1Unknown — not stated by the source
Processor core voltage (AC)Known for one1.225 VUnknown — not stated by the source
Memory clock speeds supported by processorKnown for one800,1066 MHzUnknown — not stated by the source
Memory4 differ
Internal memoryDiffers6 GB4 GB
Maximum internal memoryDiffers24 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs3 x 2 GB2 x 2 GB
Memory channelsDiffersTriple-channelDual-channel
ECCKnown for oneYesUnknown — not stated by the source
Storage1 differ
Total storage capacityKnown for oneUnknown — not stated by the source500 GB
Optical drive typeDVD-RWDVD-RW
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedDiffersYesNo
Floppy drive installedKnown for oneUnknown — not stated by the sourceNo
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one500 GBUnknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for oneUnknown — not stated by the sourceYes
On-board graphics card familyKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
On-board graphics card modelKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
Number of displays supported (on-board graphics)Known for oneUnknown — not stated by the source2
On-board graphics card base frequencyKnown for oneUnknown — not stated by the source733 MHz
Graphics card familyKnown for oneUnknown — not stated by the sourceIntel
Performance1 differ
Product typeDiffersWorkstationPC
Audio output channelsKnown for oneUnknown — not stated by the source5.1 channels
Motherboard chipsetKnown for oneIntel® X58 ExpressUnknown — not stated by the source
Network1 differ
Ethernet LANKnown for oneUnknown — not stated by the sourceYes
Wi-FiKnown for oneUnknown — not stated by the sourceNo
Networking featuresDiffersGigabit Ethernet (10/100/1000)Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers108
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source1
DVI portKnown for oneUnknown — not stated by the sourceNo
PS/2 ports quantity22
Serial ports quantityKnown for oneUnknown — not stated by the source1
Power1 differ
Power supplyDiffers625 W240 W
Power supply input voltageKnown for oneUnknown — not stated by the source115 - 230 V
Power supply input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Power requirementsKnown for one100 - 240 VAC, 50/60 HzUnknown — not stated by the source
Design1 differ
Chassis typeDiffersTowerSFF
Product colourKnown for oneUnknown — not stated by the sourceBlack
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Display1 differ
Display includedYesYes
Display diagonalDiffers58.4 cm (23")48.3 cm (19")
Display resolutionKnown for oneUnknown — not stated by the source1440 x 900 pixels
Contrast ratio (typical)Known for oneUnknown — not stated by the source1000:1
Display brightnessKnown for oneUnknown — not stated by the source250 cd/m²
Viewing angle, horizontalKnown for oneUnknown — not stated by the source170°
Viewing angle, verticalKnown for oneUnknown — not stated by the source170°
Processor special features10 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source45 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingDiffersYesNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
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)DiffersNoYes
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)DiffersYes36 bit
Processor ARK IDDiffers3972043546
Processor package sizeDiffers42.5 x 45.0 mm37.5 x 37.5 mm
Supported instruction setsSSE4.2SSE4.2
Thermal Monitoring TechnologiesNoNo
Intel® Turbo Boost Technology1.01.0
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
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 systemDiffersAD1988AHigh Definition Audio
Weight & dimensions3 differ
WidthDiffers175 mm317 mm
DepthDiffers460 mm355 mm
HeightDiffers478 mm99 mm
WeightKnown for one16.3 kgUnknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for oneUnknown — not stated by the sourceNo
Other featuresidentical
TV tuner integratedKnown for oneUnknown — not stated by the sourceNo
Intel segment taggingKnown for oneUnknown — not stated by the sourceEnterprise, Professional

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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