Product comparison · 2 laptops

Lenovo ThinkPad R61i (7650-8TG), BE vs Lenovo ThinkPad Z61t (9442-RTG), NL

113specifications compared
29differ
84identical
10known for one product only

Key differences

Display diagonal
- ThinkPad R61i (7650-8TG), BE:39.1 cm (15.4")
- ThinkPad Z61t (9442-RTG), NL:35.8 cm (14.1")
Processor model
- ThinkPad R61i (7650-8TG), BE:T5250
- ThinkPad Z61t (9442-RTG), NL:T7200
Processor frequency
- ThinkPad R61i (7650-8TG), BE:1.5 GHz
- ThinkPad Z61t (9442-RTG), NL:2 GHz
Processor cache
- ThinkPad R61i (7650-8TG), BE:2 MB
- ThinkPad Z61t (9442-RTG), NL:4 MB
Processor socket
- ThinkPad R61i (7650-8TG), BE:Socket 478
- ThinkPad Z61t (9442-RTG), NL:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61i (7650-8TG), BE:65, 35
- ThinkPad Z61t (9442-RTG), NL:34 W
CPU multiplier (bus/core ratio)
- ThinkPad R61i (7650-8TG), BE:9
- ThinkPad Z61t (9442-RTG), NL:12
Memory layout (slots x size)
- ThinkPad R61i (7650-8TG), BE:1 x 1 GB
- ThinkPad Z61t (9442-RTG), NL:2 x 0.5 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61i (7650-8TG), BE, ThinkPad Z61t (9442-RTG), NL
123 specifications	A Lenovo ThinkPad R61i (7650-8TG), BE View product	B Lenovo ThinkPad Z61t (9442-RTG), NL View product
Display1 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
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
Memory2 differ
Memory layout (slots x size)Differs	1 x 1 GB	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
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3100	Intel® GMA 950
Audio2 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Speaker powerDiffers	2 W	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
Network1 differ
Wireless technologyDiffers	Intel 3945ABG	Intel 3945 a/b/g
Ports & interfaces3 differ
Firewire (IEEE 1394) portsDiffers	0	1
ExpressCard slotDiffers	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
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
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
Battery1 differ
Number of battery cellsDiffers	6	4
Battery life (max)Known for one	Unknown — not stated by the source	2.3 h
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.99 kg	2.1 kg
WidthDiffers	358.5 mm	334 mm
DepthDiffers	260 mm	228 mm
HeightDiffers	35.3 mm	26.6 mm
Other features1 differ
Infrared data portDiffers	No	Yes

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.

More laptop comparisons

All laptop comparisons