Product comparison · 2 laptops

Lenovo ThinkPad T400 (2808D9G) vs Lenovo ThinkPad T400s (2808DDG)

119specifications compared
4differ
115identical
1known for one product only

Key differences

Internal memory
- ThinkPad T400 (2808D9G):4 GB
- ThinkPad T400s (2808DDG):2 GB
Memory layout (slots x size)
- ThinkPad T400 (2808D9G):2 x 2 GB
- ThinkPad T400s (2808DDG):1 x 2 GB
Total storage capacity
- ThinkPad T400 (2808D9G):128 GB
- ThinkPad T400s (2808DDG):250 GB
Wireless technology
- ThinkPad T400 (2808D9G):Intel WiFi 5100AGN
- ThinkPad T400s (2808DDG):Intel WiFi 5300AGN

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (2808D9G), ThinkPad T400s (2808DDG)
120 specifications	A Lenovo ThinkPad T400 (2808D9G)View product	B Lenovo ThinkPad T400s (2808DDG)View product
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolution	1440 x 900 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display surface	Gloss	Gloss
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	SP9400	SP9400
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.4 GHz	2.4 GHz
Processor cache	6 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socket	BGA 956	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo SP9000 Series	Intel Core 2 Duo SP9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
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)	9	9
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)Differs	2 x 2 GB	1 x 2 GB
Maximum internal memory	8 GB	8 GB
Storage1 differ
Total storage capacityDiffers	128 GB	250 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	No	No
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 & interfacesidentical
USB 2.0 ports quantity	3	3
eSATA ports quantity	1	1
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) ports	0	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
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 featuresidentical
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	No	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 State	No	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 ID	36693	36693
Processor package size	22 x 22 mm	22 x 22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)	5.5 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 & dimensionsidentical
Weight	2.38 kg	2.38 kg
Width	335 mm	335 mm
Depth	238 mm	238 mm
Height	31.9 mm	31.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	No	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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