Product comparison · 2 laptops

Lenovo ThinkPad R500 (27148UG), HU vs Lenovo ThinkPad T400 (6475R1G)

106specifications compared
23differ
83identical
19known for one product only

Key differences

Display diagonal
- ThinkPad R500 (27148UG), HU:39.1 cm (15.4")
- ThinkPad T400 (6475R1G):35.8 cm (14.1")
Processor model
- ThinkPad R500 (27148UG), HU:T6570
- ThinkPad T400 (6475R1G):P8400
Processor frequency
- ThinkPad R500 (27148UG), HU:2.1 GHz
- ThinkPad T400 (6475R1G):2.26 GHz
Processor cache
- ThinkPad R500 (27148UG), HU:2 MB
- ThinkPad T400 (6475R1G):3 MB
Processor operating modes
- ThinkPad R500 (27148UG), HU:32-bit, 64-bit
- ThinkPad T400 (6475R1G):64-bit
Thermal Design Power (TDP)
- ThinkPad R500 (27148UG), HU:35 W
- ThinkPad T400 (6475R1G):25 W
Tjunction
- ThinkPad R500 (27148UG), HU:100 °C
- ThinkPad T400 (6475R1G):105 °C
Total storage capacity
- ThinkPad R500 (27148UG), HU:250 GB
- ThinkPad T400 (6475R1G):160 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R500 (27148UG), HU, ThinkPad T400 (6475R1G)
125 specifications	A Lenovo ThinkPad R500 (27148UG), HU View product	B Lenovo ThinkPad T400 (6475R1G)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
Processor6 differ
Processor modelDiffers	T6570	P8400
Processor frequencyDiffers	2.1 GHz	2.26 GHz
Processor cacheDiffers	2 MB	3 MB
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
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	M0
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	8.5
Memoryidentical
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	250 GB	160 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
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
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
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Processor special features4 differ
Embedded options availableDiffers	No	Yes
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	35569
Processor codeKnown for one	Unknown — not stated by the source	SL3BU
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Battery1 differ
Battery life (max)Differs	4.5 h	6.6 h
Weight & dimensions4 differ
WeightDiffers	2.94 kg	2.2 kg
WidthDiffers	358.6 mm	335.5 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.

More laptop comparisons

All laptop comparisons