Product comparison · 2 laptops

Lenovo ThinkPad R50 PM 1.5GHz vs Lenovo ThinkPad R51

Key differences

Display resolution
- ThinkPad R50 PM 1.5GHz:1024 x 768 pixels
- ThinkPad R51:1400 x 1050 pixels
Processor frequency
- ThinkPad R50 PM 1.5GHz:1.5 GHz
- ThinkPad R51:1.7 GHz
Internal memory
- ThinkPad R50 PM 1.5GHz:0.25 GB
- ThinkPad R51:0.5 GB
Discrete graphics card model
- ThinkPad R50 PM 1.5GHz:AMD Mobility Radeon 7500
- ThinkPad R51:AMD Mobility Radeon 9000 IGP
Wireless technology
- ThinkPad R50 PM 1.5GHz:IEEE 802.11b
- ThinkPad R51:IEEE 802.11b/IEEE 802.11g
CardBus PCMCIA slots quantity
- ThinkPad R50 PM 1.5GHz:0
- ThinkPad R51:1
CardBus PCMCIA slot type
- ThinkPad R50 PM 1.5GHz:No
- ThinkPad R51:Type II
Battery life (max)
- ThinkPad R50 PM 1.5GHz:4.7 h
- ThinkPad R51:4 h

Differences highlightedShow differences only

Comparison of ThinkPad R50 PM 1.5GHz, ThinkPad R51
66 specifications	A Lenovo ThinkPad R50 PM 1.5GHz View product	B Lenovo ThinkPad R51 View product
Display1 differ
Display resolutionDiffers	1024 x 768 pixels	1400 x 1050 pixels
Processor1 differ
Processor frequencyDiffers	1.5 GHz	1.7 GHz
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Graphics1 differ
Discrete graphics card modelDiffers	AMD Mobility Radeon 7500	AMD Mobility Radeon 9000 IGP
Graphics card interfaceKnown for one	AGP 4X	Unknown — not stated by the source
Network1 differ
Wireless technologyDiffers	IEEE 802.11b	IEEE 802.11b/IEEE 802.11g
Ports & interfaces2 differ
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
Keyboardidentical
Keyboard layoutKnown for one	AZERTY	Unknown — not stated by the source
Keyboard typeKnown for one	Full size	Unknown — not stated by the source
Battery1 differ
Battery life (max)Differs	4.7 h	4 h
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	332 mm
DepthKnown for one	Unknown — not stated by the source	269 mm
HeightKnown for one	Unknown — not stated by the source	38 mm
Dimensions (WxDxH)Differs	332 x 269 x 40 mm	332 x 269 x 38 mm
Other features1 differ
Modem typeKnown for one	Unknown — not stated by the source	V.92
Docking solutionDiffers	Dock II / 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.