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Product comparison · 2 laptops

Lenovo T420s DOS US vs Lenovo W520 Win 7 US

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  • 132specifications compared
  • 38differ
  • 94identical
  • 11known for one product only

Key differences

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

Side by side

Differences highlightedShow differences only
143 specifications
A

Lenovo

T420s DOS USView product
B

Lenovo

W520 Win 7 USView product
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/s
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 one500 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
SSD capacityKnown for one160 GB
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA® NVS™ 4200MNVIDIA® Quadro® 2000M
Networkidentical
WWANKnown for oneInstalled
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
eSATA ports quantityDiffers01
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
Modem (RJ-11) portsKnown for one0
Software1 differ
Operating system installedDiffersFreeDOSWindows 7 Professional
Operating system architectureKnown for one64-bit
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 oneYes
Cable lock slot typeKnown for oneKensington
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 oneNo

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