Product comparison · 2 laptops

Lenovo ThinkPad R61 (8914-3VG), FR vs Lenovo ThinkPad T400 (647411G), FR

114specifications compared
31differ
83identical
15known for one product only

Key differences

Display diagonal
- ThinkPad R61 (8914-3VG), FR:39.1 cm (15.4")
- ThinkPad T400 (647411G), FR:35.8 cm (14.1")
Display resolution
- ThinkPad R61 (8914-3VG), FR:1680 x 1050 pixels
- ThinkPad T400 (647411G), FR:1280 x 800 pixels
Processor model
- ThinkPad R61 (8914-3VG), FR:T7100
- ThinkPad T400 (647411G), FR:P8400
Processor frequency
- ThinkPad R61 (8914-3VG), FR:1.8 GHz
- ThinkPad T400 (647411G), FR:2.26 GHz
Processor cache
- ThinkPad R61 (8914-3VG), FR:4 MB
- ThinkPad T400 (647411G), FR:3 MB
Processor front side bus
- ThinkPad R61 (8914-3VG), FR:800 MHz
- ThinkPad T400 (647411G), FR:1066 MHz
Processor lithography
- ThinkPad R61 (8914-3VG), FR:65 nm
- ThinkPad T400 (647411G), FR:45 nm
Processor codename
- ThinkPad R61 (8914-3VG), FR:Merom
- ThinkPad T400 (647411G), FR:Penryn

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61 (8914-3VG), FR, ThinkPad T400 (647411G), FR
129 specifications	A Lenovo ThinkPad R61 (8914-3VG), FR View product	B Lenovo ThinkPad T400 (647411G), FR View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 800 pixels
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor12 differ
Processor modelDiffers	T7100	P8400
Processor frequencyDiffers	1.8 GHz	2.26 GHz
Processor cacheDiffers	4 MB	3 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor lithographyDiffers	65 nm	45 nm
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Merom	Penryn
SteppingKnown for one	Unknown — not stated by the source	M0
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	9	8.5
Memory2 differ
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	667 MHz	1066 MHz
Storage3 differ
Total storage capacityDiffers	120 GB	80 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Optical drive typeDiffers	DVD±RW	DVD-ROM
Card reader integratedDiffers	Yes	No
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA Quadro NVS 140M	Intel® GMA 4500MHD
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 4965AGN	Intel WiFi 5100AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces1 differ
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Softwareidentical
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
Processor special features3 differ
Embedded options availableDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Processor ARK IDDiffers	29759	35569
Processor codeKnown for one	Unknown — not stated by the source	SL3BU
Batteryidentical
Battery life (max)Known for one	Unknown — not stated by the source	6.6 h
Weight & dimensions4 differ
WeightDiffers	2.9 kg	2.2 kg
WidthDiffers	332 mm	335.5 mm
DepthDiffers	269 mm	239 mm
HeightDiffers	40 mm	31.9 mm
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Modem typeKnown for one	V.92	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	24x	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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