Product comparison · 2 laptops

Lenovo ThinkPad R61 + Essential Port Replicator vs Lenovo ThinkPad Z61t - 9443XBG, ES

106specifications compared
34differ
72identical
15known for one product only

Key differences

Display diagonal
- ThinkPad R61 + Essential Port Replicator:39.1 cm (15.4")
- ThinkPad Z61t - 9443XBG, ES:35.6 cm (14")
Display resolution
- ThinkPad R61 + Essential Port Replicator:1680 x 1050 pixels
- ThinkPad Z61t - 9443XBG, ES:1280 x 800 pixels
Processor model
- ThinkPad R61 + Essential Port Replicator:T8100
- ThinkPad Z61t - 9443XBG, ES:T7200
Processor frequency
- ThinkPad R61 + Essential Port Replicator:2.1 GHz
- ThinkPad Z61t - 9443XBG, ES:2 GHz
Processor cache
- ThinkPad R61 + Essential Port Replicator:3 MB
- ThinkPad Z61t - 9443XBG, ES:4 MB
Processor front side bus
- ThinkPad R61 + Essential Port Replicator:800 MHz
- ThinkPad Z61t - 9443XBG, ES:667 MHz
Processor socket
- ThinkPad R61 + Essential Port Replicator:Socket 478
- ThinkPad Z61t - 9443XBG, ES:Socket 479
Processor lithography
- ThinkPad R61 + Essential Port Replicator:45 nm
- ThinkPad Z61t - 9443XBG, ES:65 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 + Essential Port Replicator, ThinkPad Z61t - 9443XBG, ES
121 specifications	A Lenovo ThinkPad R61 + Essential Port Replicator View product	B Lenovo ThinkPad Z61t - 9443XBG, ES View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.6 cm (14")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 800 pixels
Processor14 differ
Processor modelDiffers	T8100	T7200
Processor frequencyDiffers	2.1 GHz	2 GHz
Processor cacheDiffers	3 MB	4 MB
Processor front side busDiffers	800 MHz	667 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithographyDiffers	45 nm	65 nm
Processor seriesDiffers	Intel Core 2 Duo T8000 Series	Intel Core 2 Duo T7000 Series
Processor codenameDiffers	Penryn	Merom
SteppingDiffers	M0	B2
Thermal Design Power (TDP)Differs	35 W	34 W
TjunctionDiffers	105 °C	100 °C
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.0375 - 1.30 V
Number of Processing Die TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10.5	12
Memoryidentical
Memory clock speedKnown for one	Unknown — not stated by the source	533 MHz
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	160 GB	120 GB
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA Quadro NVS 140M	Intel® GMA 950
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Intel HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Network3 differ
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/g/n	IEEE 802.11a/b/g
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces3 differ
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
SmartCard slotDiffers	Yes	No
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Processor special features3 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	33916	27255
Processor codeKnown for one	SLAVJ	Unknown — not stated by the source
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	2.76 kg	2.05 kg
WidthDiffers	358 mm	334 mm
DepthDiffers	260 mm	228 mm
HeightDiffers	35 mm	26.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data portDiffers	No	Yes
Modem typeKnown for one	Unknown — not stated by the source	V.92
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	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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