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Product comparison · 2 laptops

Lenovo THINKPAD R52 PMC740-1.7G vs Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR

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  • 31specifications compared
  • 11differ
  • 20identical
  • 6known for one product only

Key differences

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

Side by side

Differences highlightedShow differences only
37 specifications
A

Lenovo

THINKPAD R52 PMC740-1.7GView product
B

Lenovo

ThinkPad T42 PM735 512MB 32GB AZB-FRView product
Display1 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
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 busDiffers533 MHz400 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 modelDiffersIntel® GMA 900AMD Mobility Radeon 7500
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersPCI ExpressAGP 4X
Maximum graphics card memoryKnown for one0.032 GB
Audioidentical
Number of built-in speakers22
Audio systemKnown for onestereo
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 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
I/O portsDiffers-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-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
Keyboardidentical
Keyboard typeFull sizeFull size
Software1 differ
Bundled softwareDiffersAccess IBM, IBM Access Connections, IBM Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat ReaderAccess 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
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Battery1 differ
Battery life (max)Differs3.7 h5.1 h
Weight & dimensions2 differ
WeightDiffers3.01 kg2 kg
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 features1 differ
Security featuresDiffers-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password-IBM Security Slot -Power-on password -Supervisor password -Hard disk drive password -Integrated fingerprint reader -IBM Embedded Security Subsystem 2.0
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speedKnown for one56 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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