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Product comparison · 2 laptops

Lenovo ThinkPad R51, DK vs Lenovo THINKPAD T42 P M-1.6 256/30G/14/DVD CDRW COMBO/WXP US

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  • 27specifications compared
  • 13differ
  • 14identical
  • 10known for one product only

Key differences

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Display resolution
    • 1400 x 1050 pixels
    • 1024 x 768 pixels
  • Processor frequency
    • 2 GHz
    • 1.6 GHz
  • Internal memory
    • 1 GB
    • 0.25 GB
  • Total storage capacity
    • 80 GB
    • 30 GB
  • Discrete graphics card model
    • AMD Mobility Radeon 9000 IGP
    • AMD Mobility Radeon 7500
  • Battery life (max)
    • 5.6 h
    • 5.3 h
  • Weight
    • 2.8 kg
    • 2 kg

Side by side

Differences highlightedShow differences only
37 specifications
A

Lenovo

ThinkPad R51, DKView product
B

Lenovo

THINKPAD T42 P M-1.6 256/30G/14/DVD CDRW COMBO/WXP USView product
Display2 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
Display resolutionDiffers1400 x 1050 pixels1024 x 768 pixels
Contrast ratio (typical)Known for one750:1
Processor1 differ
Processor frequencyDiffers2 GHz1.6 GHz
Processor front side busKnown for one400 MHz
Memory1 differ
Internal memoryDiffers1 GB0.25 GB
Internal memory typeKnown for oneDDR-SDRAM
Storage1 differ
Total storage capacityDiffers80 GB30 GB
Optical drive typeKnown for oneDVD-ROM
Graphics1 differ
Discrete graphics card modelDiffersAMD Mobility Radeon 9000 IGPAMD Mobility Radeon 7500
Audioidentical
Audio systemKnown for onestereo
Optical driveidentical
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
DVD read speedKnown for one8x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces1 differ
I/O portsDiffers-2 USB 2.0 -S-Video out -RJ-45 -RJ-11 -Parallel -Infrared -Headphone/Line out -External Display -External microphone -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -AC adapter-AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display -Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0
Softwareidentical
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Client Security Software (web-downloadable), IBM Drive Letter Access by Sonic, IBM Record Now, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC-Doctor, IBM fingerprint software, InterVideo WinDVD C
Battery1 differ
Battery life (max)Differs5.6 h5.3 h
Weight & dimensions2 differ
WeightDiffers2.8 kg2 kg
Dimensions (WxDxH)Differs332 x 269 x 38 mm311 x 255 x 27 mm
Other features2 differ
Security featuresDiffers-Supervisor password -Power-on password -IBM Security Slot -IBM Embedded Security Subsystem 2.0 -Hard disk drive password-Power-on password -Supervisor password -Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot
Battery typeDiffers9 Cell Lithium-Ion6 cell Li-Ion battery pack

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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