Product comparison · 2 laptops

Lenovo ThinkPad R61i (7650-8TG), BE vs Lenovo ThinkPad Z61m (9452-KLG)

111specifications compared
26differ
85identical
8known for one product only

Key differences

Display resolution
- ThinkPad R61i (7650-8TG), BE:1280 x 800 pixels
- ThinkPad Z61m (9452-KLG):1680 x 1050 pixels
Processor model
- ThinkPad R61i (7650-8TG), BE:T5250
- ThinkPad Z61m (9452-KLG):T7200
Processor frequency
- ThinkPad R61i (7650-8TG), BE:1.5 GHz
- ThinkPad Z61m (9452-KLG):2 GHz
Processor cache
- ThinkPad R61i (7650-8TG), BE:2 MB
- ThinkPad Z61m (9452-KLG):4 MB
Processor socket
- ThinkPad R61i (7650-8TG), BE:Socket 478
- ThinkPad Z61m (9452-KLG):Socket 479
Thermal Design Power (TDP)
- ThinkPad R61i (7650-8TG), BE:65, 35
- ThinkPad Z61m (9452-KLG):34 W
CPU multiplier (bus/core ratio)
- ThinkPad R61i (7650-8TG), BE:9
- ThinkPad Z61m (9452-KLG):12
Optical drive type
- ThinkPad R61i (7650-8TG), BE:DVD±RW
- ThinkPad Z61m (9452-KLG):DVD-RW

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61i (7650-8TG), BE, ThinkPad Z61m (9452-KLG)
119 specifications	A Lenovo ThinkPad R61i (7650-8TG), BE View product	B Lenovo ThinkPad Z61m (9452-KLG)View product
Display1 differ
Display resolutionDiffers	1280 x 800 pixels	1680 x 1050 pixels
Processor7 differ
Processor modelDiffers	T5250	T7200
Processor frequencyDiffers	1.5 GHz	2 GHz
Processor cacheDiffers	2 MB	4 MB
Processor socketDiffers	Socket 478	Socket 479
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo T7000 Series
SteppingKnown for one	Unknown — not stated by the source	B2
Thermal Design Power (TDP)Differs	65, 35	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
Storage1 differ
Optical drive typeDiffers	DVD±RW	DVD-RW
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
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 3945ABG	Intel 3945 a/b/g
Ports & interfaces3 differ
Firewire (IEEE 1394) portsDiffers	0	1
Docking connectorDiffers	No	Yes
TV-outDiffers	No	Yes
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
Keyboard1 differ
Pointing deviceDiffers	Trackpad	ThinkPad UltraNav
Software2 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareDiffers	Yes	Adobe Acrobat Reader Diskeeper Lite Picasa
Processor special features2 differ
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	30786	27255
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.99 kg	3.17 kg
WidthDiffers	358.5 mm	357 mm
DepthDiffers	260 mm	262.5 mm
HeightDiffers	35.3 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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