Product comparison · 2 laptops

Lenovo ThinkPad R61 (8944-66G), BE vs Lenovo ThinkPad Z61t - 944389G, NL

110specifications compared
35differ
75identical
12known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8944-66G), BE:38.1 cm (15")
- ThinkPad Z61t - 944389G, NL:35.8 cm (14.1")
Display resolution
- ThinkPad R61 (8944-66G), BE:1024 x 768 pixels
- ThinkPad Z61t - 944389G, NL:1440 x 900 pixels
Native aspect ratio
- ThinkPad R61 (8944-66G), BE:4:3
- ThinkPad Z61t - 944389G, NL:16:10
Processor family
- ThinkPad R61 (8944-66G), BE:Intel® Core™2 Duo
- ThinkPad Z61t - 944389G, NL:Intel® Core™ Duo
Processor model
- ThinkPad R61 (8944-66G), BE:T7100
- ThinkPad Z61t - 944389G, NL:T2400
Processor frequency
- ThinkPad R61 (8944-66G), BE:1.8 GHz
- ThinkPad Z61t - 944389G, NL:1.83 GHz
Processor cache
- ThinkPad R61 (8944-66G), BE:4 MB
- ThinkPad Z61t - 944389G, NL:2 MB
Processor front side bus
- ThinkPad R61 (8944-66G), BE:800 MHz
- ThinkPad Z61t - 944389G, NL:667 MHz

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8944-66G), BE, ThinkPad Z61t - 944389G, NL
122 specifications	A Lenovo ThinkPad R61 (8944-66G), BE View product	B Lenovo ThinkPad Z61t - 944389G, NL View product
Display3 differ
Display diagonalDiffers	38.1 cm (15")	35.8 cm (14.1")
Display resolutionDiffers	1024 x 768 pixels	1440 x 900 pixels
Native aspect ratioDiffers	4:3	16:10
Processor12 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ Duo
Processor modelDiffers	T7100	T2400
Processor frequencyDiffers	1.8 GHz	1.83 GHz
Processor cacheDiffers	4 MB	2 MB
Processor front side busDiffers	800 MHz	667 MHz
Processor operating modesDiffers	64-bit	32-bit
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core Duo T2000 Series
Processor codenameDiffers	Merom	Yonah
Thermal Design Power (TDP)Differs	35 W	31 W
Number of Processing Die TransistorsDiffers	291 M	151 M
Processing Die sizeDiffers	143 mm²	90 mm²
CPU multiplier (bus/core ratio)Differs	9	11
SteppingKnown for one	Unknown — not stated by the source	C0
Memory3 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory layout (slots x size)Differs	2 x 0.5 GB	1 x 0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Storage1 differ
Total storage capacityDiffers	80 GB	60 GB
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3100	Intel® GMA 950
Audio1 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bitbb
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 differ
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	No	Yes
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features4 differ
Idle StatesDiffers	Yes	No
Intel 64Differs	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	29759	27235
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.77 kg	2.25 kg
WidthDiffers	332 mm	334 mm
DepthDiffers	269 mm	228 mm
HeightDiffers	40 mm	26.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
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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