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Product comparison · 2 laptops

Lenovo ThinkPad R51, DK vs Lenovo ThinkPad T42, DK

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  • 27specifications compared
  • 15differ
  • 12identical
  • 12known for one product only

Key differences

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Processor frequency
    • 2 GHz
    • 1.7 GHz
  • Internal memory
    • 1 GB
    • 0.5 GB
  • Total storage capacity
    • 80 GB
    • 40 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Discrete graphics card model
    • AMD Mobility Radeon 9000 IGP
    • AMD Mobility Radeon 9600
  • Maximum graphics card memory
    • 0.032 GB
    • 0.064 GB
  • Graphics card interface
    • AGP 4X
    • AGP 8X

Side by side

Differences highlightedShow differences only
39 specifications
A

Lenovo

ThinkPad R51, DKView product
B

Lenovo

ThinkPad T42, DKView product
Display1 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
Display resolution1400 x 1050 pixels1400 x 1050 pixels
Native aspect ratio4:34:3
Contrast ratio (typical)750:1750:1
Processor1 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers2 GHz1.7 GHz
Processor front side bus400 MHz400 MHz
Memory1 differ
Internal memoryDiffers1 GB0.5 GB
Internal memory typeKnown for oneDDR-SDRAM
Storage2 differ
Total storage capacityDiffers80 GB40 GB
HDD speedDiffers4200 RPM5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics3 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon 9000 IGPAMD Mobility Radeon 9600
Maximum graphics card memoryDiffers0.032 GB0.064 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersAGP 4XAGP 8X
Audioidentical
Audio systemKnown for oneSoundMAX
Number of built-in speakers22
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
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•Parallel •RJ-11 •RJ-45 •S-Video out •2 USB 2.0 •AC adapter •Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) •External microphone •External Display •Headphone/Line out •Infrared, USB, parallel, RJ-11, RJ-45, IrDA
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
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Battery1 differ
Battery life (max)Differs5.6 h4 h
Weight & dimensions2 differ
WeightDiffers2.8 kg2.2 kg
WidthKnown for one311 mm
DepthKnown for one255 mm
Dimensions (WxDxH)Differs332 x 269 x 38 mm311 x 255 x 27 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features2 differ
Security featuresDiffers-Supervisor password -Power-on password -IBM Security Slot -IBM Embedded Security Subsystem 2.0 -Hard disk drive password•Hard disk drive password •IBM Embedded Security Subsystem 2.0 •IBM Security Slot •Power-on password •Supervisor password
Battery typeDiffers9 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeKnown for oneAC
Keyboardidentical
Keyboard typeKnown for oneFull size

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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