Product comparison · 2 laptops

Lenovo ThinkPad R500 (27148UG) vs Lenovo ThinkPad T400 (6474P8G), FR

107specifications compared
22differ
85identical
20known for one product only

Key differences

Display diagonal
- ThinkPad R500 (27148UG):39.1 cm (15.4")
- ThinkPad T400 (6474P8G), FR:35.8 cm (14.1")
Processor model
- ThinkPad R500 (27148UG):T6570
- ThinkPad T400 (6474P8G), FR:P8600
Processor frequency
- ThinkPad R500 (27148UG):2.1 GHz
- ThinkPad T400 (6474P8G), FR:2.4 GHz
Processor cache
- ThinkPad R500 (27148UG):2 MB
- ThinkPad T400 (6474P8G), FR:3 MB
Processor socket
- ThinkPad R500 (27148UG):Socket 478
- ThinkPad T400 (6474P8G), FR:Socket 479
Processor operating modes
- ThinkPad R500 (27148UG):32-bit, 64-bit
- ThinkPad T400 (6474P8G), FR:64-bit
Thermal Design Power (TDP)
- ThinkPad R500 (27148UG):35 W
- ThinkPad T400 (6474P8G), FR:25 W
Tjunction
- ThinkPad R500 (27148UG):100 °C
- ThinkPad T400 (6474P8G), FR:105 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R500 (27148UG), ThinkPad T400 (6474P8G), FR
127 specifications	A Lenovo ThinkPad R500 (27148UG)View product	B Lenovo ThinkPad T400 (6474P8G), FR View product
Display1 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor7 differ
Processor modelDiffers	T6570	P8600
Processor frequencyDiffers	2.1 GHz	2.4 GHz
Processor cacheDiffers	2 MB	3 MB
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo P8000 Series
Bus typeKnown for one	Unknown — not stated by the source	FSB
SteppingKnown for one	Unknown — not stated by the source	R1
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionDiffers	100 °C	105 °C
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9
Storage2 differ
Total storage capacityDiffers	250 GB	160 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Card reader integratedDiffers	Yes	No
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, MS Pro, SD, SDHC, xD	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Conexant Azalia 24-bit	HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 5100AGN	Intel WiFi 5100AGN
Ports & interfaces1 differ
ExpressCard slotDiffers	Yes	No
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Softwareidentical
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Processor special features3 differ
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Processor ARK IDDiffers	42841	35568
Processor codeKnown for one	Unknown — not stated by the source	SLGDZ
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Battery1 differ
Battery life (max)Differs	4.5 h	6.3 h
Weight & dimensions4 differ
WeightDiffers	2.94 kg	2.38 kg
WidthDiffers	358.6 mm	335 mm
DepthDiffers	260 mm	238 mm
HeightDiffers	38.5 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	1	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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