Product comparison · 2 laptops

Lenovo ThinkPad R400 + Port Replicator vs Lenovo ThinkPad T400 (6475R1G), IT

92specifications compared
18differ
74identical
30known for one product only

Key differences

Processor model
- ThinkPad R400 + Port Replicator:P8700
- ThinkPad T400 (6475R1G), IT:P8400
Processor frequency
- ThinkPad R400 + Port Replicator:2.53 GHz
- ThinkPad T400 (6475R1G), IT:2.26 GHz
Processor socket
- ThinkPad R400 + Port Replicator:Socket 479
- ThinkPad T400 (6475R1G), IT:Socket 478
Stepping
- ThinkPad R400 + Port Replicator:R0
- ThinkPad T400 (6475R1G), IT:M0
CPU multiplier (bus/core ratio)
- ThinkPad R400 + Port Replicator:9.5
- ThinkPad T400 (6475R1G), IT:8.5
Total storage capacity
- ThinkPad R400 + Port Replicator:250 GB
- ThinkPad T400 (6475R1G), IT:160 GB
Card reader integrated
- ThinkPad R400 + Port Replicator:Yes
- ThinkPad T400 (6475R1G), IT:No
Discrete graphics card model
- ThinkPad R400 + Port Replicator:Intel® GMA X4500
- ThinkPad T400 (6475R1G), IT:Intel® GMA 4500MHD

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 + Port Replicator, ThinkPad T400 (6475R1G), IT
122 specifications	A Lenovo ThinkPad R400 + Port Replicator View product	B Lenovo ThinkPad T400 (6475R1G), IT View product
Displayidentical
Display resolutionKnown for one	Unknown — not stated by the source	1280 x 800 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor5 differ
Processor modelDiffers	P8700	P8400
Processor frequencyDiffers	2.53 GHz	2.26 GHz
Processor socketDiffers	Socket 479	Socket 478
SteppingDiffers	R0	M0
CPU multiplier (bus/core ratio)Differs	9.5	8.5
Memoryidentical
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage2 differ
Total storage capacityDiffers	250 GB	160 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive typeKnown for one	Unknown — not stated by the source	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	Intel® GMA X4500	Intel® GMA 4500MHD
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	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
Network1 differ
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 5100AGN (1x2)	Intel WiFi 5100AGN
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers	0	1
ExpressCard slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	0	1
Keyboardidentical
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Pre-installed softwareKnown for one	Vista Business recovery Media	Unknown — not stated by the source
Processor special features3 differ
Embedded options availableDiffers	No	Yes
Processor ARK IDDiffers	37006	35569
Processor codeDiffers	SLGFE	SL3BU
Battery1 differ
Battery life (max)Differs	2.6 h	6.6 h
Poweridentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes
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 & dimensions1 differ
WeightDiffers	2.29 kg	2.2 kg
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	31.9 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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