Product comparison · 2 laptops

Lenovo ThinkPad R61 - 89185WG vs Lenovo ThinkPad Z61t (9442-RTG), NL

113specifications compared
26differ
87identical
11known for one product only

Key differences

Display diagonal
- ThinkPad R61 - 89185WG:39.1 cm (15.4")
- ThinkPad Z61t (9442-RTG), NL:35.8 cm (14.1")
Display resolution
- ThinkPad R61 - 89185WG:1680 x 1050 pixels
- ThinkPad Z61t (9442-RTG), NL:1280 x 800 pixels
Processor model
- ThinkPad R61 - 89185WG:T7100
- ThinkPad Z61t (9442-RTG), NL:T7200
Processor frequency
- ThinkPad R61 - 89185WG:1.8 GHz
- ThinkPad Z61t (9442-RTG), NL:2 GHz
Processor front side bus
- ThinkPad R61 - 89185WG:800 MHz
- ThinkPad Z61t (9442-RTG), NL:667 MHz
Processor socket
- ThinkPad R61 - 89185WG:Socket 478
- ThinkPad Z61t (9442-RTG), NL:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 - 89185WG:35 W
- ThinkPad Z61t (9442-RTG), NL:34 W
CPU multiplier (bus/core ratio)
- ThinkPad R61 - 89185WG:9
- ThinkPad Z61t (9442-RTG), NL:12

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 - 89185WG, ThinkPad Z61t (9442-RTG), NL
124 specifications	A Lenovo ThinkPad R61 - 89185WG View product	B Lenovo ThinkPad Z61t (9442-RTG), NL View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 800 pixels
Processor6 differ
Processor modelDiffers	T7100	T7200
Processor frequencyDiffers	1.8 GHz	2 GHz
Processor front side busDiffers	800 MHz	667 MHz
Processor socketDiffers	Socket 478	Socket 479
SteppingKnown for one	Unknown — not stated by the source	B2
Thermal Design Power (TDP)Differs	35 W	34 W
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.0375 - 1.30 V
CPU multiplier (bus/core ratio)Differs	9	12
Memory1 differ
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Storage2 differ
Total storage capacityDiffers	120 GB	80 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA Quadro NVS 140M	Intel® GMA 950
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Audioidentical
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	24x
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g	Intel 3945 a/b/g
Ports & interfaces1 differ
Docking connectorDiffers	Yes	No
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Processor special features3 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	29759	27255
Battery1 differ
Number of battery cellsDiffers	6	4
Battery life (max)Known for one	Unknown — not stated by the source	2.3 h
Security1 differ
Cable lock slot typeDiffers	Kensington	IBM
Weight & dimensions4 differ
WeightDiffers	2.77 kg	2.1 kg
WidthDiffers	358 mm	334 mm
DepthDiffers	260 mm	228 mm
HeightDiffers	35 mm	26.6 mm
Other features1 differ
Infrared data portDiffers	No	Yes
Modem typeKnown for one	Unknown — not stated by the source	V.92
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC

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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