Product comparison · 2 laptops

Lenovo ThinkPad R51 vs Lenovo ThinkPad T42p

62specifications compared
19differ
43identical
5known for one product only

Key differences

Display resolution
- ThinkPad R51:1400 x 1050 pixels
- ThinkPad T42p:1600 x 1200 pixels
Processor frequency
- ThinkPad R51:1.7 GHz
- ThinkPad T42p:2 GHz
Internal memory
- ThinkPad R51:0.5 GB
- ThinkPad T42p:1 GB
Total storage capacity
- ThinkPad R51:40 GB
- ThinkPad T42p:60 GB
HDD speed
- ThinkPad R51:4200 RPM
- ThinkPad T42p:7200 RPM
Discrete graphics card model
- ThinkPad R51:AMD Mobility Radeon 9000 IGP
- ThinkPad T42p:AMD Mobility FireGL T2
Maximum graphics card memory
- ThinkPad R51:0.032 GB
- ThinkPad T42p:0.128 GB
Firewire (IEEE 1394) ports
- ThinkPad R51:1
- ThinkPad T42p:0

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R51, ThinkPad T42p
67 specifications	A Lenovo ThinkPad R51 View product	B Lenovo ThinkPad T42p View product
Display1 differ
Display resolutionDiffers	1400 x 1050 pixels	1600 x 1200 pixels
HD typeKnown for one	Unknown — not stated by the source	UXGA
Processor1 differ
Processor frequencyDiffers	1.7 GHz	2 GHz
Processor cacheKnown for one	Unknown — not stated by the source	2 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L2
Memory1 differ
Internal memoryDiffers	0.5 GB	1 GB
Storage2 differ
Total storage capacityDiffers	40 GB	60 GB
HDD speedDiffers	4200 RPM	7200 RPM
Graphics2 differ
Discrete graphics card modelDiffers	AMD Mobility Radeon 9000 IGP	AMD Mobility FireGL T2
Maximum graphics card memoryDiffers	0.032 GB	0.128 GB
Networkidentical
Wireless technologyKnown for one	IEEE 802.11b/IEEE 802.11g	Unknown — not stated by the source
Ports & interfaces3 differ
Firewire (IEEE 1394) portsDiffers	1	0
Docking connectorDiffers	No	Yes
CardBus PCMCIA slot typeDiffers	Type II	Type III
Keyboardidentical
Keyboard number of keysKnown for one	Unknown — not stated by the source	86
Software1 differ
Bundled softwareDiffers	Access Program, Drive Letter Access, Record Now, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat Reader	Access Program, Drive Letter Access, Record Now, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC-Doctor, InterVideo WinDVD Creator, Intervideo WinDVD, Adobe Acrobat Reader
Battery2 differ
Number of battery cellsDiffers	6	9
Battery life (max)Differs	4 h	5.5 h
Weight & dimensions5 differ
WeightDiffers	3 kg	2.8 kg
WidthDiffers	332 mm	329 mm
DepthDiffers	269 mm	268 mm
HeightDiffers	38 mm	31 mm
Dimensions (WxDxH)Differs	332 x 269 x 38 mm	329 x 268 x 31 mm
Other features1 differ
Docking solutionDiffers	Dock II / Mini Dock, Port Replicator II	Dock II/Mini Dock, Port Replicator II

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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