Product comparison · 2 laptops

Lenovo ThinkPad SL 400 vs Lenovo ThinkPad T400 + ServicePack 3 years On-Site

97specifications compared
26differ
71identical
24known for one product only

Key differences

Display diagonal
- ThinkPad SL 400:35.6 cm (14")
- ThinkPad T400 + ServicePack 3 years On-Site:35.8 cm (14.1")
Display resolution
- ThinkPad SL 400:1280 x 800 pixels
- ThinkPad T400 + ServicePack 3 years On-Site:1440 x 900 pixels
Display surface
- ThinkPad SL 400:Gloss
- ThinkPad T400 + ServicePack 3 years On-Site:Matt
Processor model
- ThinkPad SL 400:P8400
- ThinkPad T400 + ServicePack 3 years On-Site:P8700
Processor frequency
- ThinkPad SL 400:2.26 GHz
- ThinkPad T400 + ServicePack 3 years On-Site:2.53 GHz
Processor socket
- ThinkPad SL 400:Socket 478
- ThinkPad T400 + ServicePack 3 years On-Site:Socket 479
Stepping
- ThinkPad SL 400:M0
- ThinkPad T400 + ServicePack 3 years On-Site:R0
CPU multiplier (bus/core ratio)
- ThinkPad SL 400:8.5
- ThinkPad T400 + ServicePack 3 years On-Site:9.5

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL 400, ThinkPad T400 + ServicePack 3 years On-Site
121 specifications	A Lenovo ThinkPad SL 400 View product	B Lenovo ThinkPad T400 + ServicePack 3 years On-Site View product
Display3 differ
Display diagonalDiffers	35.6 cm (14")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Display surfaceDiffers	Gloss	Matt
Processor5 differ
Processor modelDiffers	P8400	P8700
Processor frequencyDiffers	2.26 GHz	2.53 GHz
Processor socketDiffers	Socket 478	Socket 479
SteppingDiffers	M0	R0
CPU multiplier (bus/core ratio)Differs	8.5	9.5
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
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
Storage1 differ
Total storage capacityDiffers	160 GB	320 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MS Pro, SD, SDHC, xD
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X4500	AMD Mobility Radeon HD 3470
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Graphics card familyKnown for one	Intel	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
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network1 differ
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wireless technologyDiffers	802.11b/g	IEEE 802.11a/g/n
Ports & interfaces8 differ
USB 2.0 ports quantityDiffers	4	3
HDMI ports quantityDiffers	1	0
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slotDiffers	No	Yes
Modem (RJ-11) portsDiffers	0	1
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Processor special features3 differ
Embedded options availableDiffers	Yes	No
Processor ARK IDDiffers	35569	37006
Processor codeDiffers	SL3BU	SLGFE
Battery1 differ
Battery life (max)Differs	4 h	6.3 h
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
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	335.5 mm
DepthKnown for one	Unknown — not stated by the source	238 mm
HeightKnown for one	Unknown — not stated by the source	32 mm
Other features1 differ
Internal modemDiffers	No	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.90
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
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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