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Product comparison · 2 laptops

Lenovo ThinkPad R400 - NN923SP vs Lenovo ThinkPad R500 - NP28USP

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  • 112specifications compared
  • 12differ
  • 100identical
  • 3known for one product only

Key differences

The Lenovo ThinkPad R400 - NN923SP has 1 x SO-DIMM more memory slots than the Lenovo ThinkPad R500 - NP28USP (2x SO-DIMM vs 1x SO-DIMM). The Lenovo ThinkPad R500 - NP28USP has 1 h more battery life (max) than the Lenovo ThinkPad R400 - NN923SP (4.5 h vs 3.5 h). The Lenovo ThinkPad R400 - NN923SP has 25 W more AC adapter power than the Lenovo ThinkPad R500 - NP28USP (90 W vs 65 W). Only the Lenovo ThinkPad R500 - NP28USP has Bluetooth. Only the Lenovo ThinkPad R500 - NP28USP has ExpressCard slot.

  • Display diagonal
    • 35.8 cm (14.1")
    • 39.1 cm (15.4")
  • Memory slots
    • 2x SO-DIMM
    • 1x SO-DIMM
  • Audio system
    • High Definition Audio
    • Azalia
  • Bluetooth
    • No
    • Yes
  • ExpressCard slot
    • No
    • Yes
  • Battery life (max)
    • 3.5 h
    • 4.5 h
  • AC adapter power
    • 90 W
    • 65 W
  • Weight
    • 2.4 kg
    • 2.94 kg

Side by side

Differences highlightedShow differences only
115 specifications
A

Lenovo

ThinkPad R400 - NN923SPView product
B

Lenovo

ThinkPad R500 - NP28USPView product
Display1 differ
Display diagonalDiffers35.8 cm (14.1")39.1 cm (15.4")
Display number of coloursKnown for one16.78 million colours
Memory1 differ
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Storageidentical
Optical drive typeKnown for oneDVD-ROM
Audio1 differ
Audio systemDiffersHigh Definition AudioAzalia
Cameraidentical
Front cameraKnown for oneNo
Network1 differ
BluetoothDiffersNoYes
Ports & interfaces1 differ
ExpressCard slotDiffersNoYes
Battery1 differ
Battery life (max)Differs3.5 h4.5 h
Power1 differ
AC adapter powerDiffers90 W65 W
Weight & dimensions4 differ
WeightDiffers2.4 kg2.94 kg
WidthDiffers335.5 mm358.6 mm
DepthDiffers238 mm260 mm
HeightDiffers35 mm38.5 mm
Other features1 differ
Modem typeDiffersV.92V.90 & K56 w Ethernet

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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