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Product comparison · 2 laptops

Lenovo ThinkPad R51 PM 735 512MB 40GB WXP BE vs Lenovo ThinkPad T42 PM 1700 256MB 40GB DVD

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  • 50specifications compared
  • 11differ
  • 39identical
  • 20known for one product only

Key differences

  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Maximum graphics card memory
    • 0.064 GB
    • 0.032 GB
  • Graphics card interface
    • Direct AGP
    • AGP 4X
  • VGA (D-Sub) ports quantity
    • 0
    • 1
  • Firewire (IEEE 1394) ports
    • 1
    • 0
  • Docking connector
    • Yes
    • No
  • Battery life (max)
    • 4 h
    • 4.6 h

Side by side

Differences highlightedShow differences only
70 specifications
A

Lenovo

ThinkPad R51 PM 735 512MB 40GB WXP BEView product
B

Lenovo

ThinkPad T42 PM 1700 256MB 40GB DVDView product
Displayidentical
Display diagonal35.8 cm (14.1")35.8 cm (14.1")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Processoridentical
Processor manufacturerIntelIntel
Processor frequency1.7 GHz1.7 GHz
Processor front side bus400 MHz400 MHz
Memory1 differ
Internal memoryDiffers0.5 GB0.25 GB
Internal memory typeDDR-SDRAMDDR-SDRAM
Storage1 differ
Total storage capacity40 GB40 GB
HDD speedDiffers4200 RPM5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics2 differ
Maximum graphics card memoryDiffers0.064 GB0.032 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersDirect AGPAGP 4X
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon 7500
Audioidentical
Number of built-in speakers22
Audio systemKnown for oneSoundMAX
Cameraidentical
Front cameraKnown for oneNo
Optical driveidentical
CD read speed24x24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
DVD read speed8x8x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantityDiffers01
Firewire (IEEE 1394) portsDiffers10
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorDiffersYesNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portNoNo
TV-outYesYes
TV-out typeS-VideoS-Video
PS/2 ports quantity00
Parallel ports quantity11
Serial ports quantity00
USB 1.1 ports quantity00
I/O portsKnown for one1x Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav
Keyboard typeFull sizeFull size
Softwareidentical
Operating system installedKnown for oneWindows XP Professional
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Access Support, IBM Rapid Restore Ultra, IBM Update Connector, Norton AntiVirus 2004, PC-Doctor, Intervideo WinDVD, Adobe Acrobat Reader
Compatible operating systemsKnown for oneMicrosoft Windows XP Professional
Battery1 differ
Number of battery cellsKnown for one6
Battery life (max)Differs4 h4.6 h
Poweridentical
DC-in jackYesYes
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Weight & dimensions2 differ
WeightDiffers2.7 kg2.2 kg
WidthKnown for one314 mm
DepthKnown for one260 mm
HeightKnown for one34 mm
Dimensions (WxDxH)Differs314 x 260 x 34 mm311 x 255 x 27 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other featuresidentical
Infrared data portYesYes
Wake-on-LAN readyNoNo
Wake-on-Ring readyNoNo
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem type56K V.9256K V.92
Supplied AC adapter typeACAC
Security featuresKnown for one-Supervisor password -Power-on password -IBM Security Slot -IBM Embedded Security Subsystem 2.0 -Hard disk drive password
Battery typeKnown for one6 Cell Lithium-Ion

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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