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Product comparison · 2 laptops

Lenovo IBM THINKPAD T42 P M-1.7(735) CENT. 512/40G/14/DVD/CDRW/WXP US vs Lenovo THINKPAD R52 PMC740-1.7G

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  • 32specifications compared
  • 11differ
  • 21identical
  • 5known for one product only

Key differences

  • Display diagonal
    • 35.8 cm (14.1")
    • 38.1 cm (15")
  • Processor front side bus
    • 400 MHz
    • 533 MHz
  • Discrete graphics card model
    • AMD Mobility Radeon 7500
    • Intel® GMA 900
  • Graphics card interface
    • AGP 4X
    • PCI Express
  • Battery life (max)
    • 5.1 h
    • 3.7 h
  • Weight
    • 2 kg
    • 3.01 kg
  • Dimensions (WxDxH)
    • 311 x 255 x 27 mm
    • 332 x 269 x 38 mm

Side by side

Differences highlightedShow differences only
37 specifications
A

Lenovo

IBM THINKPAD T42 P M-1.7(735) CENT. 512/40G/14/DVD/CDRW/WXP USView product
B

Lenovo

THINKPAD R52 PMC740-1.7GView product
Display1 differ
Display diagonalDiffers35.8 cm (14.1")38.1 cm (15")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Contrast ratio (typical)Known for one750:1
Processor1 differ
Processor manufacturerIntelIntel
Processor frequency1.7 GHz1.7 GHz
Processor front side busDiffers400 MHz533 MHz
Memoryidentical
Internal memory0.5 GB0.5 GB
Internal memory typeKnown for oneDDR2-SDRAM
Storageidentical
Total storage capacity40 GB40 GB
HDD speed5400 RPM5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics2 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon 7500Intel® GMA 900
Maximum graphics card memoryKnown for one0.032 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersAGP 4XPCI Express
Audioidentical
Audio systemKnown for onestereo
Number of built-in speakers22
Optical driveidentical
CD read speed24x24x
CD write speed24x24x
CD rewrite speed24x24x
DVD read speed8x8x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces1 differ
I/O portsDiffers-Infrared -Parallel -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display -Headphone/Line out -AC adapter -RJ-11 -RJ-45 -S-Video out -2 USB 2.0-AC adapter -Docking/Port Replicator -External Display -Headphone/Line out -RJ-11 -Parallel -Infrared -Microphone/line in -RJ-45 -S-Video out -2 USB 2.0
Keyboardidentical
Keyboard typeFull sizeFull size
Software1 differ
Bundled softwareDiffersAccess 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 CAccess IBM, IBM Access Connections, IBM Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat Reader
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Battery1 differ
Battery life (max)Differs5.1 h3.7 h
Weight & dimensions2 differ
WeightDiffers2 kg3.01 kg
Dimensions (WxDxH)Differs311 x 255 x 27 mm332 x 269 x 38 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features1 differ
Security featuresDiffers-IBM Security Slot -Power-on password -Supervisor password -Hard disk drive password -Integrated fingerprint reader -IBM Embedded Security Subsystem 2.0-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeACAC

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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