Product comparison · 2 laptops

Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US vs Lenovo ThinkPad T42, DK

27specifications compared
10differ
17identical
12known for one product only

Key differences

The Lenovo ThinkPad T42, DK has 0.25 GB more internal memory than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US (0.5 GB vs 0.25 GB). The Lenovo ThinkPad T42, DK has 0.032 GB more maximum graphics card memory than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US (0.064 GB vs 0.032 GB). The Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US has 0.4 kg more weight than the Lenovo ThinkPad T42, DK (2.6 kg vs 2.2 kg). Display resolution: 1024 x 768 pixels on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US, 1400 x 1050 pixels on the Lenovo ThinkPad T42, DK. Discrete graphics card model: AMD Mobility Radeon on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US, AMD Mobility Radeon 9600 on the Lenovo ThinkPad T42, DK.

Display resolution
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:1024 x 768 pixels
- ThinkPad T42, DK:1400 x 1050 pixels
Internal memory
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:0.25 GB
- ThinkPad T42, DK:0.5 GB
Discrete graphics card model
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:AMD Mobility Radeon
- ThinkPad T42, DK:AMD Mobility Radeon 9600
Maximum graphics card memory
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:0.032 GB
- ThinkPad T42, DK:0.064 GB
Graphics card interface
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:AGP 4X
- ThinkPad T42, DK:AGP 8X
Weight
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:2.6 kg
- ThinkPad T42, DK:2.2 kg
Dimensions (WxDxH)
- IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US:314 x 260 x 33 mm
- ThinkPad T42, DK:311 x 255 x 27 mm

Side by side

Differences highlightedShow differences only

Comparison of IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US, ThinkPad T42, DK
39 specifications	A Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US View product	B Lenovo ThinkPad T42, DK View product
Display1 differ
Display resolutionDiffers	1024 x 768 pixels	1400 x 1050 pixels
Processoridentical
Processor manufacturerKnown for one	Unknown — not stated by the source	Intel
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory typeKnown for one	DDR-SDRAM	Unknown — not stated by the source
Storageidentical
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Graphics3 differ
Discrete graphics card modelDiffers	AMD Mobility Radeon	AMD Mobility Radeon 9600
Maximum graphics card memoryDiffers	0.032 GB	0.064 GB
Graphics card interfaceDiffers	AGP 4X	AGP 8X
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	SoundMAX
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b
Ports & interfaces1 differ
I/O portsDiffers	-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	•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 one	Unknown — not stated by the source	Access 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
Weight & dimensions2 differ
WeightDiffers	2.6 kg	2.2 kg
WidthKnown for one	Unknown — not stated by the source	311 mm
DepthKnown for one	Unknown — not stated by the source	255 mm
Dimensions (WxDxH)Differs	314 x 260 x 33 mm	311 x 255 x 27 mm
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	ATA-100 (Enhanced IDE)
Other features1 differ
Security featuresDiffers	-Supervisor password -Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password	•Hard disk drive password •IBM Embedded Security Subsystem 2.0 •IBM Security Slot •Power-on password •Supervisor password
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Keyboardidentical
Keyboard typeKnown for one	Full size	Unknown — not stated by the source

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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