Product comparison · 2 laptops

Lenovo T420s Win 7 US vs Lenovo W520 Win 7 US

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  • 133specifications compared
  • 36differ
  • 97identical
  • 9known for one product only

Key differences

  • Display diagonal
    • T420s Win 7 US:35.6 cm (14")
    • W520 Win 7 US:39.6 cm (15.6")
  • Display resolution
    • T420s Win 7 US:1600 x 900 pixels
    • W520 Win 7 US:1920 x 1080 pixels
  • HD type
    • T420s Win 7 US:HD+
    • W520 Win 7 US:Full HD
  • Processor model
    • T420s Win 7 US:i7-2620M
    • W520 Win 7 US:i7-2720QM
  • Processor cores
    • T420s Win 7 US:2
    • W520 Win 7 US:4
  • Processor threads
    • T420s Win 7 US:4
    • W520 Win 7 US:8
  • Processor boost frequency
    • T420s Win 7 US:3.4 GHz
    • W520 Win 7 US:3.3 GHz
  • Processor frequency
    • T420s Win 7 US:2.7 GHz
    • W520 Win 7 US:2.2 GHz

Side by side

Differences highlightedShow differences only (on)
Comparison of T420s Win 7 US, W520 Win 7 US
142 specifications
Display3 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
HD typeDiffersHD+Full HD
Processor13 differ
Processor modelDiffersi7-2620Mi7-2720QM
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers3.4 GHz3.3 GHz
Processor frequencyDiffers2.7 GHz2.2 GHz
Processor cacheDiffers4 MB6 MB
Processor socketDiffersBGA 1023Socket 1224
Processor seriesDiffersIntel Core i7-2600 Mobile SeriesIntel Core i7-2700 Mobile Series
SteppingDiffersJ1D2
Thermal Design Power (TDP)Differs35 W45 W
TjunctionDiffers100 °C100 C
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x16, 2x8
CPU multiplier (bus/core ratio)Differs2722
System bus rateKnown for one5 GT/sUnknown — not stated by the source
Memory3 differ
Internal memoryDiffers4 GB8 GB
Memory slotsDiffers2x SO-DIMM4x SO-DIMM
Maximum internal memoryDiffers16 GB32 GB
Storage1 differ
Total storage capacityDiffers160 GB500 GB
HDD capacityKnown for oneUnknown — not stated by the source500 GB
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
HDD speedKnown for oneUnknown — not stated by the source7200 RPM
SSD capacityKnown for one160 GBUnknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA® NVS™ 4200MNVIDIA® Quadro® 2000M
Networkidentical
WWANKnown for oneUnknown — not stated by the sourceInstalled
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
eSATA ports quantityDiffers01
Firewire (IEEE 1394) portsDiffers01
Processor special features3 differ
Processor ARK IDDiffers5223150067
Processor codeDiffersSR041SR00W
Processor package sizeDiffers37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1224)
Battery1 differ
Number of battery cellsDiffers69
Security1 differ
Cable lock slotDiffersYesNo
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers1.75 kg2.85 kg
WidthDiffers343 mm373 mm
DepthDiffers231 mm270 mm
Height (front)Differs2.2 cm3.3 cm
Height (rear)Differs2.6 cm3.7 cm
Other features1 differ
Intel segment taggingDiffersHome office, Small BusinessProfessional
Internal modemKnown for oneNoUnknown — not stated by the source

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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