Product comparison · 2 laptops

Lenovo T400 (6474-P1G) vs Lenovo T400s (2815-2PG)

108specifications compared
20differ
88identical
16known for one product only

Key differences

Display resolution
- T400 (6474-P1G):1280 x 800 pixels
- T400s (2815-2PG):1440 x 900 pixels
Processor model
- T400 (6474-P1G):T9400
- T400s (2815-2PG):SP9400
Processor frequency
- T400 (6474-P1G):2.53 GHz
- T400s (2815-2PG):2.4 GHz
Processor socket
- T400 (6474-P1G):Socket 479
- T400s (2815-2PG):BGA 956
Thermal Design Power (TDP)
- T400 (6474-P1G):35 W
- T400s (2815-2PG):25 W
CPU multiplier (bus/core ratio)
- T400 (6474-P1G):9.5
- T400s (2815-2PG):9
Maximum internal memory
- T400 (6474-P1G):8 GB
- T400s (2815-2PG):4 GB
Total storage capacity
- T400 (6474-P1G):160 GB
- T400s (2815-2PG):128 GB

Side by side

Differences highlightedShow differences only

Comparison of T400 (6474-P1G), T400s (2815-2PG)
124 specifications	A Lenovo T400 (6474-P1G)View product	B Lenovo T400s (2815-2PG)View product
Designidentical
Product colour	Black	Black
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 brightnessKnown for one	185 cd/m²	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T9400	SP9400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	2.4 GHz
Processor cache	6 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 T9000 Series	Intel Core 2 Duo SP9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	E0	Unknown — not stated by the source
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	9
ECC supported by processor	No	No
Memory1 differ
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memoryDiffers	8 GB	4 GB
Storage1 differ
Total storage capacityDiffers	160 GB	128 GB
Number of HDDs installed	1	1
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Graphics card family	Intel	Intel
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces4 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 quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantityDiffers	0	1
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 slotDiffers	Yes	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 portKnown for one	No	Unknown — not stated by the source
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® GM45 Express	Intel® GS45 Express
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Operating system architecture	32-bit	32-bit
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	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 IDDiffers	35562	36693
Processor codeKnown for one	SLGEK	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	6.5 h	5.5 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	335.3 mm	337 mm
DepthDiffers	238 mm	241 mm
Height (front)Known for one	2.76 cm	Unknown — not stated by the source
Height (rear)Known for one	3.19 cm	Unknown — not stated by the source
WeightKnown for one	Unknown — not stated by the source	1.77 kg
HeightKnown for one	Unknown — not stated by the source	21.1 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemKnown for one	Yes	Unknown — not stated by the source
Intel segment tagging	Home office, Small Business	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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