Product comparison · 2 laptops

Lenovo T400 (2767-R8G) vs Lenovo ThinkPad T400 (6474-44G)

102specifications compared
18differ
84identical
24known for one product only

Key differences

Processor model
- T400 (2767-R8G):T9400
- ThinkPad T400 (6474-44G):P8400
Processor frequency
- T400 (2767-R8G):2.53 GHz
- ThinkPad T400 (6474-44G):2.26 GHz
Processor cache
- T400 (2767-R8G):6 MB
- ThinkPad T400 (6474-44G):3 MB
Processor socket
- T400 (2767-R8G):Socket 479
- ThinkPad T400 (6474-44G):Socket 478
Stepping
- T400 (2767-R8G):E0
- ThinkPad T400 (6474-44G):M0
Thermal Design Power (TDP)
- T400 (2767-R8G):35 W
- ThinkPad T400 (6474-44G):25 W
CPU multiplier (bus/core ratio)
- T400 (2767-R8G):9.5
- ThinkPad T400 (6474-44G):8.5
Internal memory
- T400 (2767-R8G):2 GB
- ThinkPad T400 (6474-44G):3 GB

Side by side

Differences highlightedShow differences only

Comparison of T400 (2767-R8G), ThinkPad T400 (6474-44G)
126 specifications	A Lenovo T400 (2767-R8G)View product	B Lenovo ThinkPad T400 (6474-44G)View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display brightnessKnown for one	185 cd/m²	Unknown — not stated by the source
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T9400	P8400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	2.26 GHz
Processor cacheDiffers	6 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T9000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	E0	M0
Thermal Design Power (TDP)Differs	35 W	25 W
Tjunction	105 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	9.5	8.5
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	2 GB	3 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 + 1 x 2 GB
Storage1 differ
Total storage capacity	160 GB	160 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Graphics2 differ
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 3470	Intel® GMA X4500HD
Discrete graphics card memoryKnown for one	0.25 GB	Unknown — not stated by the source
Graphics card familyDiffers	AMD	Intel
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.384 GB
Networkidentical
Wi-Fi	Yes	Yes
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-out	No	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® GM45 Express	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Operating system architecture	32-bit	32-bit
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesDiffers	No	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	35562	35569
Processor codeDiffers	SLGEK	SL3BU
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	6.5 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
Width	335.3 mm	335.3 mm
Depth	238 mm	238 mm
Height (front)	2.76 cm	2.76 cm
Height (rear)	3.19 cm	3.19 cm
WeightKnown for one	Unknown — not stated by the source	2.13 kg
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Internal modem	Yes	Yes
Intel segment tagging	Home office, Small Business	Home office, Small Business
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD

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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