Product comparison · 2 laptops

Lenovo ThinkPad T400 (6474R2G), UK vs Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA

106specifications compared
20differ
86identical
19known for one product only

Key differences

The Lenovo ThinkPad T400 (6474R2G), UK has 0.27 GHz more processor frequency than the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA (2.53 GHz vs 2.26 GHz). The Lenovo ThinkPad T400 (6474R2G), UK has 3 MB more processor cache than the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA (6 MB vs 3 MB). The Lenovo ThinkPad T400 (6474R2G), UK has 10 W more thermal Design Power (TDP) than the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA (35 W vs 25 W). Only the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA has idle States. Only the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA has Intel Enhanced Halt State.

Display diagonal
- ThinkPad T400 (6474R2G), UK:35.8 cm (14.1")
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:39.1 cm (15.4")
Processor model
- ThinkPad T400 (6474R2G), UK:T9400
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:P8400
Processor frequency
- ThinkPad T400 (6474R2G), UK:2.53 GHz
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:2.26 GHz
Processor cache
- ThinkPad T400 (6474R2G), UK:6 MB
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:3 MB
Processor socket
- ThinkPad T400 (6474R2G), UK:Socket 479
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:Socket 478
Stepping
- ThinkPad T400 (6474R2G), UK:E0
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:M0
Thermal Design Power (TDP)
- ThinkPad T400 (6474R2G), UK:35 W
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:25 W
CPU multiplier (bus/core ratio)
- ThinkPad T400 (6474R2G), UK:9.5
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:8.5

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (6474R2G), UK, ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA
125 specifications	A Lenovo ThinkPad T400 (6474R2G), UK View product	B Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Gloss	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
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memory	4 GB	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Storageidentical
Total storage capacity	160 GB	160 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interface	SATA	SATA
Card reader integrated	No	No
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
On-board graphics cardKnown for one	Unknown — not stated by the source	No
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
Audio1 differ
Audio systemDiffers	HDA 24-bit	Conexant
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Intel 82567LM
Wireless technologyDiffers	Intel WiFi 5100AGN	Intel WiFi Link 5300AGN
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfacesidentical
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) 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
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
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
Battery2 differ
Number of battery cellsDiffers	9	6
Battery life (max)Differs	9.9 h	6.6 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Weight & dimensions1 differ
WeightDiffers	2.2 kg	2.63 kg
WidthKnown for one	335.5 mm	Unknown — not stated by the source
DepthKnown for one	239 mm	Unknown — not stated by the source
HeightKnown for one	31.9 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	357.5 x 255 x 33.5 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
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
Modem typeKnown for one	Unknown — not stated by the source	56K V.90
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Optical driveidentical
DVD+R speedKnown for one	Unknown — not stated by the source	24x

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.

More laptop comparisons

All laptop comparisons