Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), BE vs Lenovo ThinkPad Z61t - 9443XBG, NL

110specifications compared
31differ
79identical
13known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), BE:38.1 cm (15")
- ThinkPad Z61t - 9443XBG, NL:35.6 cm (14")
Display resolution
- ThinkPad R61 (8944-66G), BE:1024 x 768 pixels
- ThinkPad Z61t - 9443XBG, NL:1280 x 800 pixels
Native aspect ratio
- ThinkPad R61 (8944-66G), BE:4:3
- ThinkPad Z61t - 9443XBG, NL:16:10
Processor model
- ThinkPad R61 (8944-66G), BE:T7100
- ThinkPad Z61t - 9443XBG, NL:T7200
Processor frequency
- ThinkPad R61 (8944-66G), BE:1.8 GHz
- ThinkPad Z61t - 9443XBG, NL:2 GHz
Processor front side bus
- ThinkPad R61 (8944-66G), BE:800 MHz
- ThinkPad Z61t - 9443XBG, NL:667 MHz
Processor socket
- ThinkPad R61 (8944-66G), BE:Socket 478
- ThinkPad Z61t - 9443XBG, NL:Socket 479
Thermal Design Power (TDP)
- ThinkPad R61 (8944-66G), BE:35 W
- ThinkPad Z61t - 9443XBG, NL:34 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), BE, ThinkPad Z61t - 9443XBG, NL
123 specifications	A Lenovo ThinkPad R61 (8944-66G), BE View product	B Lenovo ThinkPad Z61t - 9443XBG, NL View product
Display3 differ
Display diagonalDiffers	38.1 cm (15")	35.6 cm (14")
Display resolutionDiffers	1024 x 768 pixels	1280 x 800 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
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Memory clock speedDiffers	667 MHz	533 MHz
Memory layout (slots x size)Known for one	2 x 0.5 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	80 GB	120 GB
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3100	Intel® GMA 950
Audio1 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 3945 a/b/g	IEEE 802.11a/b/g
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces3 differ
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Docking connectorDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
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	3.7 h
Security1 differ
Cable lock slot typeDiffers	IBM	Kensington
Weight & dimensions4 differ
WeightDiffers	2.77 kg	2.05 kg
WidthDiffers	332 mm	334 mm
DepthDiffers	269 mm	228 mm
HeightDiffers	40 mm	26.6 mm
Other features1 differ
Infrared data portDiffers	No	Yes
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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