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Product comparison · 2 laptops

Lenovo T420 + ThinkPad Mini Dock Series 3 vs Lenovo T520 + ThinkPad Mini Dock Series 3

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  • 133specifications compared
  • 10differ
  • 123identical
  • 3known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Display brightness
    • 200 cd/m²
    • 220 cd/m²
  • Contrast ratio (typical)
    • 300:1
    • 500:1
  • USB 2.0 ports quantity
    • 3
    • 4
  • Battery life (max)
    • 9 h
    • 7.7 h
  • Weight
    • 2.17 kg
    • 2.51 kg
  • Width
    • 340.5 mm
    • 372.8 mm
  • Depth
    • 233 mm
    • 245.1 mm

Side by side

Differences highlightedShow differences only
136 specifications
A

Lenovo

T420 + ThinkPad Mini Dock Series 3View product
B

Lenovo

T520 + ThinkPad Mini Dock Series 3View product
Display3 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display brightnessDiffers200 cd/m²220 cd/m²
Contrast ratio (typical)Differs300:1500:1
Storageidentical
Number of HDDs installedKnown for one1
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers34
Firewire (IEEE 1394) portsKnown for one1
eSATA/USB 2.0 ports quantityKnown for one1
Battery1 differ
Battery life (max)Differs9 h7.7 h
Weight & dimensions5 differ
WeightDiffers2.17 kg2.51 kg
WidthDiffers340.5 mm372.8 mm
DepthDiffers233 mm245.1 mm
Height (front)Differs3.01 cm3.18 cm
Height (rear)Differs3.05 cm3.56 cm

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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