Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), UK vs Lenovo ThinkPad R61i (7650-8TG)

113specifications compared
25differ
88identical
6known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), UK:38.1 cm (15")
- ThinkPad R61i (7650-8TG):39.1 cm (15.4")
Display resolution
- ThinkPad R61 (8944-66G), UK:1024 x 768 pixels
- ThinkPad R61i (7650-8TG):1280 x 800 pixels
Native aspect ratio
- ThinkPad R61 (8944-66G), UK:4:3
- ThinkPad R61i (7650-8TG):16:10
Processor model
- ThinkPad R61 (8944-66G), UK:T7100
- ThinkPad R61i (7650-8TG):T5250
Processor frequency
- ThinkPad R61 (8944-66G), UK:1.8 GHz
- ThinkPad R61i (7650-8TG):1.5 GHz
Processor cache
- ThinkPad R61 (8944-66G), UK:4 MB
- ThinkPad R61i (7650-8TG):2 MB
Processor front side bus
- ThinkPad R61 (8944-66G), UK:800 MHz
- ThinkPad R61i (7650-8TG):667 MHz
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), UK:35 W
- ThinkPad R61i (7650-8TG):65, 35

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), UK, ThinkPad R61i (7650-8TG)
119 specifications	A Lenovo ThinkPad R61 (8944-66G), UK View product	B Lenovo ThinkPad R61i (7650-8TG)View product
Display3 differ
Display diagonalDiffers	38.1 cm (15")	39.1 cm (15.4")
Display resolutionDiffers	1024 x 768 pixels	1280 x 800 pixels
Native aspect ratioDiffers	4:3	16:10
Processor6 differ
Processor modelDiffers	T7100	T5250
Processor frequencyDiffers	1.8 GHz	1.5 GHz
Processor cacheDiffers	4 MB	2 MB
Processor front side busDiffers	800 MHz	667 MHz
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo T5000 Series
Thermal Design Power (TDP)Differs	35 W	65, 35
Memory1 differ
Memory layout (slots x size)Differs	2 x 0.5 GB	1 x 1 GB
Storage2 differ
Total storage capacityDiffers	80 GB	120 GB
Optical drive typeDiffers	DVD-ROM	DVD±RW
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 3945ABG
Ports & interfaces3 differ
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsDiffers	1	0
Docking connectorDiffers	Yes	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Trackpad
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features3 differ
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateDiffers	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Processor ARK IDDiffers	29759	30786
Securityidentical
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.77 kg	2.99 kg
WidthDiffers	332 mm	358.5 mm
DepthDiffers	269 mm	260 mm
HeightDiffers	40 mm	35.3 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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