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Product comparison · 2 laptops

Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP vs Lenovo ThinkPad T42 PM 735 512MB 40GB QW-US

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  • 31specifications compared
  • 10differ
  • 21identical
  • 7known for one product only

Key differences

The Lenovo ThinkPad T42 PM 735 512MB 40GB QW-US has 0.1 GHz more processor frequency than the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP (1.7 GHz vs 1.6 GHz). The Lenovo ThinkPad T42 PM 735 512MB 40GB QW-US has 0.25 GB more internal memory than the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP (0.5 GB vs 0.25 GB). The Lenovo ThinkPad T42 PM 735 512MB 40GB QW-US has 0.032 GB more maximum graphics card memory than the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP (0.064 GB vs 0.032 GB). Display resolution: 1024 x 768 pixels on the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP, 1400 x 1050 pixels on the Lenovo ThinkPad T42 PM 735 512MB 40GB QW-US. Discrete graphics card model: AMD Mobility Radeon 9000 IGP on the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP, AMD Mobility Radeon 9600 on the Lenovo ThinkPad T42 PM 735 512MB 40GB QW-US.

  • Display resolution
    • 1024 x 768 pixels
    • 1400 x 1050 pixels
  • Processor frequency
    • 1.6 GHz
    • 1.7 GHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Discrete graphics card model
    • AMD Mobility Radeon 9000 IGP
    • AMD Mobility Radeon 9600
  • Maximum graphics card memory
    • 0.032 GB
    • 0.064 GB
  • Battery life (max)
    • 4 h
    • 5.8 h
  • Weight
    • 2.6 kg
    • 2.5 kg
  • Dimensions (WxDxH)
    • 314 x 260 x 37 mm
    • 329 x 268 x 31 mm

Side by side

Differences highlightedShow differences only
38 specifications
A

Lenovo

ThinkPad R51 PM725 1600 256MB 40GB WXPView product
B

Lenovo

ThinkPad T42 PM 735 512MB 40GB QW-USView product
Display1 differ
Display resolutionDiffers1024 x 768 pixels1400 x 1050 pixels
Contrast ratio (typical)Known for one750:1
Processor1 differ
Processor frequencyDiffers1.6 GHz1.7 GHz
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Storageidentical
HDD speedKnown for one5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics2 differ
Discrete graphics card modelDiffersAMD Mobility Radeon 9000 IGPAMD Mobility Radeon 9600
Maximum graphics card memoryDiffers0.032 GB0.064 GB
Audioidentical
Audio systemKnown for onestereo
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g
Ports & interfaces1 differ
I/O portsDiffers-External Display -Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -External microphone -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)-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 Drive Letter Access, IBM Record Now, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC-Doctor, InterVideo WinDVD Creator, Intervideo WinDVD, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs4 h5.8 h
Weight & dimensions2 differ
WeightDiffers2.6 kg2.5 kg
Dimensions (WxDxH)Differs314 x 260 x 37 mm329 x 268 x 31 mm
WidthKnown for one314 mm
DepthKnown for one260 mm

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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