Product comparison · 2 laptops

Lenovo ThinkPad T400 Intel® Core™2 Duo P9500 vs Lenovo ThinkPad T400 (6474R2G), DE

101specifications compared
22differ
79identical
24known for one product only

Key differences

Display resolution
- ThinkPad T400 Intel® Core™2 Duo P9500:1440 x 900 pixels
- ThinkPad T400 (6474R2G), DE:1280 x 800 pixels
Display surface
- ThinkPad T400 Intel® Core™2 Duo P9500:Matt
- ThinkPad T400 (6474R2G), DE:Gloss
Processor model
- ThinkPad T400 Intel® Core™2 Duo P9500:P9500
- ThinkPad T400 (6474R2G), DE:T9400
Processor socket
- ThinkPad T400 Intel® Core™2 Duo P9500:LGA 3647 (Socket P)
- ThinkPad T400 (6474R2G), DE:Socket 479
Processor operating modes
- ThinkPad T400 Intel® Core™2 Duo P9500:32-bit, 64-bit
- ThinkPad T400 (6474R2G), DE:64-bit
Stepping
- ThinkPad T400 Intel® Core™2 Duo P9500:C0
- ThinkPad T400 (6474R2G), DE:E0
Thermal Design Power (TDP)
- ThinkPad T400 Intel® Core™2 Duo P9500:25 W
- ThinkPad T400 (6474R2G), DE:35 W
CPU multiplier (bus/core ratio)
- ThinkPad T400 Intel® Core™2 Duo P9500:9.4
- ThinkPad T400 (6474R2G), DE:9.5

Side by side

Differences highlightedShow differences only

Comparison of T400, ThinkPad T400 (6474R2G), DE
125 specifications	A Lenovo ThinkPad T400 Intel® Core™2 Duo P9500 Model T400 View product	B Lenovo ThinkPad T400 (6474R2G), DE View product
Display2 differ
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display surfaceDiffers	Matt	Gloss
Dual-screenKnown for one	No	Unknown — not stated by the source
Contrast ratio (typical)Known for one	300:1	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P9500	T9400
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.53 GHz	2.53 GHz
Processor cache	6 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P9000 Series	Intel Core 2 Duo T9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	C0	E0
Thermal Design Power (TDP)Differs	25 W	35 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	9.4	9.5
ECC supported by processor	No	No
Processor core voltage (AC)Known for one	1.062 - 1.150 V	Unknown — not stated by the source
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memory	4 GB	4 GB
Storage2 differ
Total storage capacityDiffers	320 GB	160 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
Card reader integratedDiffers	Yes	No
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD, SDHC, XD	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Mobility Radeon HD 3470	Intel® GMA 4500MHD
Maximum graphics card memoryKnown for one	0.256 GB	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
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet, WLAN
Wireless technologyKnown for one	Unknown — not stated by the source	Intel WiFi 5100AGN
Bluetooth	Yes	Yes
Bluetooth version	2.0+EDR	2.0+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces2 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 outputsDiffers	2	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
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
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	No	Yes
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	35566	35562
Processor codeDiffers	SLGE8	SLGEK
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	4	9
Battery life (max)Known for one	Unknown — not stated by the source	9.9 h
Poweridentical
DC-in jack	Yes	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 & dimensions3 differ
WeightDiffers	2.3 kg	2.2 kg
Width	335.5 mm	335.5 mm
DepthDiffers	238 mm	239 mm
HeightDiffers	32 mm	31.9 mm
Dimensions (WxDxH)Known for one	335.5 x 238 x 32 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Intel segment tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter typeDiffers	AC, UP	AC
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source

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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