Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), DE vs Lenovo ThinkPad X61s (7666-64G), DE

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), DE:38.1 cm (15")
- ThinkPad X61s (7666-64G), DE:30.7 cm (12.1")
Processor model
- ThinkPad R61 (8944-66G), DE:T7100
- ThinkPad X61s (7666-64G), DE:L7300
Processor frequency
- ThinkPad R61 (8944-66G), DE:1.8 GHz
- ThinkPad X61s (7666-64G), DE:1.4 GHz
Processor socket
- ThinkPad R61 (8944-66G), DE:Socket 478
- ThinkPad X61s (7666-64G), DE:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), DE:35 W
- ThinkPad X61s (7666-64G), DE:17 W
CPU multiplier (bus/core ratio)
- ThinkPad R61 (8944-66G), DE:9
- ThinkPad X61s (7666-64G), DE:7
Memory layout (slots x size)
- ThinkPad R61 (8944-66G), DE:2 x 0.5 GB
- ThinkPad X61s (7666-64G), DE:1 x 1 GB
Optical drive type
- ThinkPad R61 (8944-66G), DE:DVD-ROM
- ThinkPad X61s (7666-64G), DE:No

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), DE, ThinkPad X61s (7666-64G), DE
121 specifications	A Lenovo ThinkPad R61 (8944-66G), DE View product	B Lenovo ThinkPad X61s (7666-64G), DE View product
Display1 differ
Display diagonalDiffers	38.1 cm (15")	30.7 cm (12.1")
Processor6 differ
Processor modelDiffers	T7100	L7300
Processor frequencyDiffers	1.8 GHz	1.4 GHz
Processor socketDiffers	Socket 478	Socket 479
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo L7000 Series
Thermal Design Power (TDP)Differs	35 W	17 W
CPU multiplier (bus/core ratio)Differs	9	7
Memory1 differ
Memory layout (slots x size)Differs	2 x 0.5 GB	1 x 1 GB
Storage2 differ
Optical drive typeDiffers	DVD-ROM	No
Card reader integratedDiffers	Yes	No
Audio2 differ
Number of built-in speakersDiffers	2	1
Speaker powerDiffers	2 W	0.5 W
Ports & interfaces1 differ
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Softwareidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features1 differ
Processor ARK IDDiffers	29759	29756
Processor codeKnown for one	Unknown — not stated by the source	SLA3S
Battery1 differ
Number of battery cellsDiffers	6	4
Battery life (max)Known for one	Unknown — not stated by the source	3.1 h
Weight & dimensions4 differ
WeightDiffers	2.77 kg	1.43 kg
WidthDiffers	332 mm	268 mm
DepthDiffers	269 mm	211 mm
HeightDiffers	40 mm	20 mm

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.