Product comparison · 2 laptops

Lenovo ThinkPad R400 (744333G), ES vs Lenovo ThinkPad T400 (64734JG), ES

110specifications compared
20differ
90identical
14known for one product only

Key differences

Processor model
- ThinkPad R400 (744333G), ES:T6670
- ThinkPad T400 (64734JG), ES:P8400
Processor frequency
- ThinkPad R400 (744333G), ES:2.2 GHz
- ThinkPad T400 (64734JG), ES:2.26 GHz
Processor cache
- ThinkPad R400 (744333G), ES:2 MB
- ThinkPad T400 (64734JG), ES:3 MB
Processor front side bus
- ThinkPad R400 (744333G), ES:800 MHz
- ThinkPad T400 (64734JG), ES:1066 MHz
Thermal Design Power (TDP)
- ThinkPad R400 (744333G), ES:35 W
- ThinkPad T400 (64734JG), ES:25 W
CPU multiplier (bus/core ratio)
- ThinkPad R400 (744333G), ES:11
- ThinkPad T400 (64734JG), ES:8.5
Audio system
- ThinkPad R400 (744333G), ES:Intel HDA 24-bit
- ThinkPad T400 (64734JG), ES:HDA 24-bit
Networking features
- ThinkPad R400 (744333G), ES:WLAN, Gigabit Ethernet
- ThinkPad T400 (64734JG), ES:Gigabit Ethernet, WLAN

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 (744333G), ES, ThinkPad T400 (64734JG), ES
124 specifications	A Lenovo ThinkPad R400 (744333G), ES View product	B Lenovo ThinkPad T400 (64734JG), ES View product
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T6670	P8400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.2 GHz	2.26 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socket	Socket 478	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T6000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	Unknown — not stated by the source	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	11	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
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Maximum internal memory	4 GB	4 GB
Storageidentical
Total storage capacity	250 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
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audio1 differ
Audio systemDiffers	Intel HDA 24-bit	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
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 5100AGN	Intel WiFi 5100AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Cabling technology	10/100/1000Base-T(X)	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) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	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
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard layoutKnown for one	Unknown — not stated by the source	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 availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	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 TechnologyDiffers	No	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	42109	35569
Processor codeKnown for one	Unknown — not stated by the source	SL3BU
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 cells	6	6
Battery life (max)Differs	5.6 h	6.6 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user password	Yes	Yes
Weight & dimensions2 differ
WeightDiffers	2.4 kg	2.38 kg
Width	335.5 mm	335.5 mm
Depth	238 mm	238 mm
HeightDiffers	34.9 mm	31.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter type	AC	AC
Modem typeKnown for one	1	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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