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Product comparison · 2 laptops

Lenovo ThinkPad T420 vs Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)

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  • 14specifications compared
  • 8differ
  • 6identical
  • 9known for one product only

Key differences

The Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK) has 1 MB more processor cache than the Lenovo ThinkPad T420 (4 MB vs 3 MB). The Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK) has 105 W more AC adapter power than the Lenovo ThinkPad T420 (170 W vs 65 W). The Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK) has 1.6 kg more weight than the Lenovo ThinkPad T420 (3.11 kg vs 1.51 kg). Display diagonal: 35.6 cm (14") on the Lenovo ThinkPad T420, 39.6 cm (15.6") on the Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK). Display resolution: 1366 x 768 pixels on the Lenovo ThinkPad T420, 1600 x 900 pixels on the Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK).

  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Processor cache
    • 3 MB
    • 4 MB
  • Maximum resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • AC adapter power
    • 65 W
    • 170 W
  • Weight
    • 1.51 kg
    • 3.11 kg
  • Depth
    • 337 mm
    • 245.1 mm
  • Height
    • 21.2 mm
    • 35.6 mm

Side by side

Differences highlightedShow differences only
23 specifications
A

Lenovo

ThinkPad T420View product
B

Lenovo

W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)View product
Display2 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneHD+
Processor1 differ
Processor cacheDiffers3 MB4 MB
Processor front side bus1333 MHz1333 MHz
Memoryidentical
Memory clock speed1333 MHz1333 MHz
Storageidentical
HDD capacity320 GB320 GB
HDD interfaceSATASATA
Graphics1 differ
Graphics card familyKnown for oneNVIDIA
Maximum graphics card memoryKnown for one0.002 GB
Maximum resolutionDiffers1366 x 768 pixels1600 x 900 pixels
Audioidentical
Number of built-in speakersKnown for one2
Speaker power1 W1 W
Batteryidentical
Battery voltageKnown for one10.8 V
Power1 differ
AC adapter powerDiffers65 W170 W
Weight & dimensions3 differ
WeightDiffers1.51 kg3.11 kg
DepthDiffers337 mm245.1 mm
HeightDiffers21.2 mm35.6 mm
Other featuresidentical
Infrared data portNoNo
Indication lightKnown for oneYes
Plug and PlayKnown for oneYes
Supplied AC adapter typeKnown for oneAC
Modem speedKnown for one56 Kbit/s

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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