Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), BE vs Lenovo ThinkPad Z61m (9452-KLG), BE

114specifications compared
24differ
90identical
8known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), BE:38.1 cm (15")
- ThinkPad Z61m (9452-KLG), BE:39.1 cm (15.4")
Display resolution
- ThinkPad R61 (8944-66G), BE:1024 x 768 pixels
- ThinkPad Z61m (9452-KLG), BE:1680 x 1050 pixels
Native aspect ratio
- ThinkPad R61 (8944-66G), BE:4:3
- ThinkPad Z61m (9452-KLG), BE:16:10
Processor model
- ThinkPad R61 (8944-66G), BE:T7100
- ThinkPad Z61m (9452-KLG), BE:T7200
Processor frequency
- ThinkPad R61 (8944-66G), BE:1.8 GHz
- ThinkPad Z61m (9452-KLG), BE:2 GHz
Processor front side bus
- ThinkPad R61 (8944-66G), BE:800 MHz
- ThinkPad Z61m (9452-KLG), BE:667 MHz
Processor socket
- ThinkPad R61 (8944-66G), BE:Socket 478
- ThinkPad Z61m (9452-KLG), BE:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), BE:35 W
- ThinkPad Z61m (9452-KLG), BE:34 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), BE, ThinkPad Z61m (9452-KLG), BE
122 specifications	A Lenovo ThinkPad R61 (8944-66G), BE View product	B Lenovo ThinkPad Z61m (9452-KLG), 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
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
Thermal Design Power (TDP)Differs	35 W	34 W
CPU multiplier (bus/core ratio)Differs	9	12
SteppingKnown for one	Unknown — not stated by the source	B2
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.0375 - 1.30 V
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
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3100	AMD Mobility Radeon X1400
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
Network1 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Ports & interfacesidentical
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Software1 differ
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareDiffers	Yes	Adobe Acrobat Reader Diskeeper Lite Picasa
Processor special features3 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	29759	27255
Weight & dimensions4 differ
WeightDiffers	2.77 kg	3.17 kg
WidthDiffers	332 mm	357 mm
DepthDiffers	269 mm	262.5 mm
HeightDiffers	40 mm	37.3 mm
Other features1 differ
Infrared data portDiffers	No	Yes
Modem typeKnown for one	V.92	Unknown — not stated by the source
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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