Product comparison · 2 laptops

Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo vs Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB

95specifications compared
25differ
70identical
23known for one product only

Key differences

The Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has 0.5 GHz more processor frequency than the Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo (2.6 GHz vs 2.1 GHz). The Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has 1 MB more processor cache than the Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo (4 MB vs 3 MB). The Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has 20 nm more processor lithography than the Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo (65 nm vs 45 nm). Only the Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has card reader integrated. Only the Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB has docking connector.

Processor model
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:T8100
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:T7800
Processor frequency
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:2.1 GHz
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:2.6 GHz
Processor cache
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:3 MB
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:4 MB
Processor socket
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:Socket 478
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:Socket 479
Processor lithography
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:45 nm
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:65 nm
Processor codename
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:Penryn
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:Merom
Tjunction
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:105 °C
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:100 °C
Number of Processing Die Transistors
- ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo:410 M
- ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB:291 M

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo, ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB
118 specifications	A Lenovo ThinkPad R61, Core 2 Duo T8100 (2.10GHz), 1GB, 80GB, 14.1" WXGA, CD-RW/DVD Combo View product	B Lenovo ThinkPad T61, 14.1'', Intel Core 2 Duo T7800, 2GB, 160GB View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Displayidentical
Display resolutionKnown for one	1280 x 768 pixels	Unknown — not stated by the source
HD typeKnown for one	Not supported	Unknown — not stated by the source
Native aspect ratioKnown for one	5:3	Unknown — not stated by the source
Processor11 differ
Processor modelDiffers	T8100	T7800
Processor frequencyDiffers	2.1 GHz	2.6 GHz
Processor cacheDiffers	3 MB	4 MB
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
TjunctionDiffers	105 °C	100 °C
Number of Processing Die TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10.5	13
SteppingKnown for one	M0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR2-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
Card reader integratedDiffers	No	Yes
Graphicsidentical
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Networkidentical
Wireless technologyKnown for one	Unknown — not stated by the source	IEEE 802.11a/g/n
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 differ
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Processor special features3 differ
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	33916	31729
Processor codeDiffers	SLAVJ	SLA75
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	2.35 kg	2.7 kg
WidthDiffers	335.5 mm	357.5 mm
DepthDiffers	237 mm	255 mm
Height (front)Differs	3.49 cm	2.97 cm
Height (rear)Differs	3.06 cm	3.35 cm
Other featuresidentical
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92

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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