Product comparison · 2 laptops

Lenovo ThinkPad T61 (6457-6DG), BE vs Lenovo ThinkPad Z61m (9452-KLG), BE

113specifications compared
27differ
86identical
8known for one product only

Key differences

Processor model
- ThinkPad T61 (6457-6DG), BE:T7500
- ThinkPad Z61m (9452-KLG), BE:T7200
Processor frequency
- ThinkPad T61 (6457-6DG), BE:2.2 GHz
- ThinkPad Z61m (9452-KLG), BE:2 GHz
Processor front side bus
- ThinkPad T61 (6457-6DG), BE:800 MHz
- ThinkPad Z61m (9452-KLG), BE:667 MHz
Processor socket
- ThinkPad T61 (6457-6DG), BE:Socket 478
- ThinkPad Z61m (9452-KLG), BE:Socket 479
Stepping
- ThinkPad T61 (6457-6DG), BE:E1
- ThinkPad Z61m (9452-KLG), BE:B2
Thermal Design Power (TDP)
- ThinkPad T61 (6457-6DG), BE:35 W
- ThinkPad Z61m (9452-KLG), BE:34 W
CPU multiplier (bus/core ratio)
- ThinkPad T61 (6457-6DG), BE:11
- ThinkPad Z61m (9452-KLG), BE:12
Internal memory
- ThinkPad T61 (6457-6DG), BE:2 GB
- ThinkPad Z61m (9452-KLG), BE:1 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T61 (6457-6DG), BE, ThinkPad Z61m (9452-KLG), BE
121 specifications	A Lenovo ThinkPad T61 (6457-6DG), BE View product	B Lenovo ThinkPad Z61m (9452-KLG), BE View product
Processor7 differ
Processor modelDiffers	T7500	T7200
Processor frequencyDiffers	2.2 GHz	2 GHz
Processor front side busDiffers	800 MHz	667 MHz
Processor socketDiffers	Socket 478	Socket 479
SteppingDiffers	E1	B2
Thermal Design Power (TDP)Differs	35 W	34 W
CPU multiplier (bus/core ratio)Differs	11	12
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.0375 - 1.30 V
Memory1 differ
Internal memoryDiffers	2 GB	1 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Storage1 differ
Total storage capacityDiffers	100 GB	120 GB
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA Quadro NVS 140M	AMD Mobility Radeon X1400
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 3945ABG	Intel 3945 a/b/g
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Ports & interfaces2 differ
ExpressCard slotDiffers	Yes	No
TV-outDiffers	No	Yes
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
Software2 differ
Operating system installedDiffers	Windows Vista Ultimate	Windows Vista Business
Bundled softwareDiffers	Yes	Adobe Acrobat Reader Diskeeper Lite Picasa
Processor special features4 differ
Embedded options availableDiffers	Yes	No
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	29761	27255
Battery1 differ
Number of battery cellsDiffers	9	6
Weight & dimensions4 differ
WeightDiffers	2.56 kg	3.17 kg
WidthDiffers	357.5 mm	357 mm
DepthDiffers	255 mm	262.5 mm
HeightDiffers	29.7 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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