Product comparison · 2 laptops

Lenovo ThinkPad T400 (64734HG) vs Lenovo ThinkPad T400s (2808DDG)

118specifications compared
19differ
99identical
4known for one product only

Key differences

Display resolution
- ThinkPad T400 (64734HG):1280 x 800 pixels
- ThinkPad T400s (2808DDG):1440 x 900 pixels
Processor model
- ThinkPad T400 (64734HG):P8700
- ThinkPad T400s (2808DDG):SP9400
Processor frequency
- ThinkPad T400 (64734HG):2.53 GHz
- ThinkPad T400s (2808DDG):2.4 GHz
Processor cache
- ThinkPad T400 (64734HG):3 MB
- ThinkPad T400s (2808DDG):6 MB
Processor socket
- ThinkPad T400 (64734HG):Socket 479
- ThinkPad T400s (2808DDG):BGA 956
CPU multiplier (bus/core ratio)
- ThinkPad T400 (64734HG):9.5
- ThinkPad T400s (2808DDG):9
Internal memory
- ThinkPad T400 (64734HG):3 GB
- ThinkPad T400s (2808DDG):2 GB
Memory layout (slots x size)
- ThinkPad T400 (64734HG):1 x 1 + 1 x 2 GB
- ThinkPad T400s (2808DDG):1 x 2 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (64734HG), ThinkPad T400s (2808DDG)
122 specifications	A Lenovo ThinkPad T400 (64734HG)View product	B Lenovo ThinkPad T400s (2808DDG)View product
Display1 differ
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display surface	Gloss	Gloss
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8700	SP9400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	2.4 GHz
Processor cacheDiffers	3 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 479	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo SP9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
Thermal Design Power (TDP)	25 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	9
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	3 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	1 x 2 GB
Maximum internal memoryDiffers	4 GB	8 GB
Storageidentical
Total storage capacity	250 GB	250 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
Card reader integrated	No	No
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audioidentical
Audio system	HDA 24-bit	HDA 24-bit
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Network1 differ
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel WiFi 5100AGN	Intel WiFi 5300AGN
Bluetooth	Yes	Yes
Bluetooth version	2.0+EDR	2.0+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports 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	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	1	0
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard layout	QWERTY	QWERTY
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Drivers included	Yes	Yes
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesDiffers	Yes	No
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	Yes	No
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	37006	36693
Processor codeKnown for one	SLGFE	Unknown — not stated by the source
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	6.6 h	5.5 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Weight & dimensions1 differ
Weight	2.38 kg	2.38 kg
WidthDiffers	335.5 mm	335 mm
Depth	238 mm	238 mm
Height	31.9 mm	31.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	Yes	No
Modem speed	56 Kbit/s	56 Kbit/s
Intel segment tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter type	AC	AC

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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