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Product comparison · 2 laptops

Lenovo P51 + 5WS0Q41627 vs Lenovo P51s + ThinkPad Stack Mobile Projector

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  • 165specifications compared
  • 44differ
  • 121identical
  • 27known for one product only

Key differences

  • Processor model
    • i7-7820HQ
    • i7-7500U
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 4
  • Processor boost frequency
    • 3.9 GHz
    • 3.5 GHz
  • Processor frequency
    • 2.9 GHz
    • 2.7 GHz
  • Processor cache
    • 8 MB
    • 4 MB
  • Bus type
    • DMI3
    • OPI
  • Thermal Design Power (TDP)
    • 45 W
    • 15 W

Side by side

Differences highlightedShow differences only
192 specifications
A

Lenovo

P51 + 5WS0Q41627View product
B

Lenovo

P51s + ThinkPad Stack Mobile ProjectorView product
Design1 differ
Housing materialDiffersAluminium, Glass-reinforced plastic (GRP), MagnesiumGlass fibre, Plastic
Displayidentical
Display brightnessKnown for one250 cd/m²
Processor11 differ
Processor modelDiffersi7-7820HQi7-7500U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.9 GHz3.5 GHz
Processor frequencyDiffers2.9 GHz2.7 GHz
Processor cacheDiffers8 MB4 MB
Processor seriesKnown for oneIntel Core i7-7800 Mobile Series
Bus typeDiffersDMI3OPI
Thermal Design Power (TDP)Differs45 W15 W
Configurable TDP-downDiffers35 W7.5 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 1x8, 2x4, 2x81x2+2x1, 1x4, 2x2, 4x1
System bus rateKnown for one4 GT/s
Processor socketKnown for oneBGA 1356
SteppingKnown for oneH0
Configurable TDP-up frequencyKnown for one2.9 GHz
Configurable TDP-upKnown for one25 W
Configurable TDP-down frequencyKnown for one0.8 GHz
Memory5 differ
Memory clock speedDiffers2400 MHz2133 MHz
Memory layout (slots x size)Differs2 x 8 GB1 x 16 GB
Memory slotsDiffers4x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers64 GB32 GB
Maximum internal memory (64-bit)Differs64 GB32 GB
ECCKnown for oneNo
Storage3 differ
Total storage capacityDiffers1.25 TB512 GB
Storage mediaDiffersHDD+SSDSSD
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD interfaceKnown for oneSATA III
HDD speedKnown for one5400 RPM
HDD sizeKnown for one2.5"
SSD capacityDiffers256 GB512 GB
Graphics7 differ
Discrete graphics card modelDiffersNVIDIA® Quadro® M2200NVIDIA® Quadro® M520
Discrete graphics card memoryDiffers4 GB2 GB
On-board graphics card modelDiffersIntel® HD Graphics 630Intel® HD Graphics 620
Maximum on-board graphics card memoryDiffers64 GB32 GB
On-board graphics card base frequencyDiffers350 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1050 MHz
On-board graphics card IDDiffers0x591B0x5916
Discrete graphics memory typeKnown for oneGDDR5
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers43
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
Performanceidentical
Motherboard chipsetKnown for oneIntel® CM238
Keyboardidentical
Full-size keyboardKnown for oneYes
Processor special features7 differ
Intel HD GraphicsKnown for oneYes
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Stable Image Platform Program (SIPP)DiffersYesNo
Intel Stable Image Platform Program (SIPP) versionDiffers1.000.00
Intel TSX-NIDiffersYesNo
Intel TSX-NI versionDiffers1.000.00
Intel Trusted Execution TechnologyDiffersYesNo
Intel® Smart CacheKnown for oneYes
Processor ARK IDDiffers9749695451
Processor package sizeDiffers42 x 28 mm42 x 24 mm
Intel® Insider™Known for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Processor codeKnown for oneSR2ZV
Battery1 differ
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of battery cellsDiffers64+6
Battery capacityKnown for one90 Wh
Battery life (max)Known for one26.8 h
Power1 differ
AC adapter powerDiffers170 W65 W
Weight & dimensions5 differ
WeightDiffers2.67 kg2.18 kg
WidthDiffers377.4 mm365.8 mm
DepthDiffers252.3 mm252.8 mm
Height (front)Differs2.45 cm2 cm
Height (rear)Differs2.94 cm2.02 cm

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