Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), BE vs Lenovo ThinkPad T61 (6457-6DG), BE

114specifications compared
22differ
92identical
8known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), BE:38.1 cm (15")
- ThinkPad T61 (6457-6DG), BE:39.1 cm (15.4")
Display resolution
- ThinkPad R61 (8944-66G), BE:1024 x 768 pixels
- ThinkPad T61 (6457-6DG), BE:1680 x 1050 pixels
Native aspect ratio
- ThinkPad R61 (8944-66G), BE:4:3
- ThinkPad T61 (6457-6DG), BE:16:10
Processor model
- ThinkPad R61 (8944-66G), BE:T7100
- ThinkPad T61 (6457-6DG), BE:T7500
Processor frequency
- ThinkPad R61 (8944-66G), BE:1.8 GHz
- ThinkPad T61 (6457-6DG), BE:2.2 GHz
CPU multiplier (bus/core ratio)
- ThinkPad R61 (8944-66G), BE:9
- ThinkPad T61 (6457-6DG), BE:11
Internal memory
- ThinkPad R61 (8944-66G), BE:1 GB
- ThinkPad T61 (6457-6DG), BE:2 GB
Total storage capacity
- ThinkPad R61 (8944-66G), BE:80 GB
- ThinkPad T61 (6457-6DG), BE:100 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), BE, ThinkPad T61 (6457-6DG), BE
122 specifications	A Lenovo ThinkPad R61 (8944-66G), BE View product	B Lenovo ThinkPad T61 (6457-6DG), BE View product
Display3 differ
Display diagonalDiffers	38.1 cm (15")	39.1 cm (15.4")
Display resolutionDiffers	1024 x 768 pixels	1680 x 1050 pixels
Native aspect ratioDiffers	4:3	16:10
Processor3 differ
Processor modelDiffers	T7100	T7500
Processor frequencyDiffers	1.8 GHz	2.2 GHz
CPU multiplier (bus/core ratio)Differs	9	11
SteppingKnown for one	Unknown — not stated by the source	E1
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (slots x size)Known for one	2 x 0.5 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	80 GB	100 GB
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3100	NVIDIA Quadro NVS 140M
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.128 GB
Audio1 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Network2 differ
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 3945ABG
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
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows Vista Ultimate
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features2 differ
Embedded options availableDiffers	No	Yes
Processor ARK IDDiffers	29759	29761
Battery1 differ
Number of battery cellsDiffers	6	9
Weight & dimensions4 differ
WeightDiffers	2.77 kg	2.56 kg
WidthDiffers	332 mm	357.5 mm
DepthDiffers	269 mm	255 mm
HeightDiffers	40 mm	29.7 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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