Product comparison · 2 laptops

Lenovo ThinkPad R61i (7650-8TG), DE vs Lenovo ThinkPad X61s (7666-3EG), DE

109specifications compared
29differ
80identical
7known for one product only

Key differences

Display diagonal
- ThinkPad R61i (7650-8TG), DE:39.1 cm (15.4")
- ThinkPad X61s (7666-3EG), DE:30.7 cm (12.1")
Display resolution
- ThinkPad R61i (7650-8TG), DE:1280 x 800 pixels
- ThinkPad X61s (7666-3EG), DE:1024 x 768 pixels
Native aspect ratio
- ThinkPad R61i (7650-8TG), DE:16:10
- ThinkPad X61s (7666-3EG), DE:4:3
Processor model
- ThinkPad R61i (7650-8TG), DE:T5250
- ThinkPad X61s (7666-3EG), DE:L7500
Processor frequency
- ThinkPad R61i (7650-8TG), DE:1.5 GHz
- ThinkPad X61s (7666-3EG), DE:1.6 GHz
Processor cache
- ThinkPad R61i (7650-8TG), DE:2 MB
- ThinkPad X61s (7666-3EG), DE:4 MB
Processor front side bus
- ThinkPad R61i (7650-8TG), DE:667 MHz
- ThinkPad X61s (7666-3EG), DE:800 MHz
Processor socket
- ThinkPad R61i (7650-8TG), DE:Socket 478
- ThinkPad X61s (7666-3EG), DE:Socket 479

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61i (7650-8TG), DE, ThinkPad X61s (7666-3EG), DE
116 specifications	A Lenovo ThinkPad R61i (7650-8TG), DE View product	B Lenovo ThinkPad X61s (7666-3EG), DE View product
Display3 differ
Display diagonalDiffers	39.1 cm (15.4")	30.7 cm (12.1")
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:10	4:3
Processor8 differ
Processor modelDiffers	T5250	L7500
Processor frequencyDiffers	1.5 GHz	1.6 GHz
Processor cacheDiffers	2 MB	4 MB
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo L7000 Series
Thermal Design Power (TDP)Differs	65, 35	17 W
CPU multiplier (bus/core ratio)Differs	9	8
Storage1 differ
Optical drive typeDiffers	DVD±RW	No
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
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 3945ABG	Intel 3945 a/b/g
Ports & interfaces2 differ
Firewire (IEEE 1394) portsDiffers	0	1
Docking connectorDiffers	No	Yes
Keyboard1 differ
Pointing deviceDiffers	Trackpad	Pointing Stick
Softwareidentical
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
Processor special features4 differ
Embedded options availableDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	30786	29757
Idle StatesKnown for one	Unknown — not stated by the source	Yes
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
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.99 kg	1.65 kg
WidthDiffers	358.5 mm	268 mm
DepthDiffers	260 mm	211 mm
HeightDiffers	35.3 mm	20 mm
Other featuresidentical
Supplied AC adapter typeKnown for one	AC	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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