Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), UK vs Lenovo ThinkPad X61s (7666-3AG), SE

113specifications compared
25differ
88identical
8known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), UK:38.1 cm (15")
- ThinkPad X61s (7666-3AG), SE:30.7 cm (12.1")
Processor model
- ThinkPad R61 (8944-66G), UK:T7100
- ThinkPad X61s (7666-3AG), SE:L7500
Processor frequency
- ThinkPad R61 (8944-66G), UK:1.8 GHz
- ThinkPad X61s (7666-3AG), SE:1.6 GHz
Processor socket
- ThinkPad R61 (8944-66G), UK:Socket 478
- ThinkPad X61s (7666-3AG), SE:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), UK:35 W
- ThinkPad X61s (7666-3AG), SE:17 W
CPU multiplier (bus/core ratio)
- ThinkPad R61 (8944-66G), UK:9
- ThinkPad X61s (7666-3AG), SE:8
Memory layout (slots x size)
- ThinkPad R61 (8944-66G), UK:2 x 0.5 GB
- ThinkPad X61s (7666-3AG), SE:1 x 1 GB
Total storage capacity
- ThinkPad R61 (8944-66G), UK:80 GB
- ThinkPad X61s (7666-3AG), SE:100 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), UK, ThinkPad X61s (7666-3AG), SE
121 specifications	A Lenovo ThinkPad R61 (8944-66G), UK View product	B Lenovo ThinkPad X61s (7666-3AG), SE View product
Display1 differ
Display diagonalDiffers	38.1 cm (15")	30.7 cm (12.1")
Processor6 differ
Processor modelDiffers	T7100	L7500
Processor frequencyDiffers	1.8 GHz	1.6 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	8
Memory1 differ
Memory layout (slots x size)Differs	2 x 0.5 GB	1 x 1 GB
Storage2 differ
Total storage capacityDiffers	80 GB	100 GB
Optical drive typeDiffers	DVD-ROM	DVD-RW
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Audio3 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerDiffers	2 W	0.5 W
Network2 differ
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 4965AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 differ
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
ExpressCard slotDiffers	No	Yes
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Pointing Stick
Softwareidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features2 differ
Embedded options availableDiffers	No	Yes
Processor ARK IDDiffers	29759	29757
Battery1 differ
Number of battery cellsDiffers	6	8
Battery life (max)Known for one	Unknown — not stated by the source	8.2 h
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.77 kg	1.65 kg
WidthDiffers	332 mm	211 mm
DepthDiffers	269 mm	268 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.

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