Product comparison · 2 laptops

Lenovo ThinkPad R400 (744515G), CH vs Lenovo ThinkPad T400 (64741EG), CH

117specifications compared
13differ
104identical
7known for one product only

Key differences

Display resolution
- ThinkPad R400 (744515G), CH:1440 x 900 pixels
- ThinkPad T400 (64741EG), CH:1280 x 800 pixels
Internal memory
- ThinkPad R400 (744515G), CH:1 GB
- ThinkPad T400 (64741EG), CH:2 GB
Memory layout (slots x size)
- ThinkPad R400 (744515G), CH:1 x 1 GB
- ThinkPad T400 (64741EG), CH:1 x 2 GB
Audio system
- ThinkPad R400 (744515G), CH:Intel HDA 24-bit
- ThinkPad T400 (64741EG), CH:HDA 24-bit
Networking features
- ThinkPad R400 (744515G), CH:WLAN, Gigabit Ethernet
- ThinkPad T400 (64741EG), CH:Gigabit Ethernet, WLAN
Wireless technology
- ThinkPad R400 (744515G), CH:Intel 5100AGN
- ThinkPad T400 (64741EG), CH:Intel WiFi 5300AGN
ExpressCard slot
- ThinkPad R400 (744515G), CH:Yes
- ThinkPad T400 (64741EG), CH:No
Number of battery cells
- ThinkPad R400 (744515G), CH:4
- ThinkPad T400 (64741EG), CH:6

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 (744515G), CH, ThinkPad T400 (64741EG), CH
124 specifications	A Lenovo ThinkPad R400 (744515G), CH View product	B Lenovo ThinkPad T400 (64741EG), CH View product
Display1 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 surfaceKnown for one	Unknown — not stated by the source	Gloss
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	P8400	P8400
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.26 GHz	2.26 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socket	Socket 478	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	M0	M0
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)	8.5	8.5
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)Differs	1 x 1 GB	1 x 2 GB
Maximum internal memory	4 GB	4 GB
Storageidentical
Total storage capacity	160 GB	160 GB
HDD interface	SATA	SATA
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Card reader integrated	No	No
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
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 speakers	2	2
Speaker power	2 W	2 W
Cameraidentical
Front camera	No	No
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 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 & interfaces1 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 outputs	1	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
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Drivers included	Yes	Yes
Trial software	Microsoft Office 2007	Microsoft Office 2007
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	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 State	Yes	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 ID	35569	35569
Processor code	SL3BU	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	4	6
Battery life (max)Differs	3.7 h	6.6 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 & dimensions4 differ
WeightDiffers	2.3 kg	2.2 kg
WidthDiffers	355.5 mm	335.5 mm
DepthDiffers	238 mm	239 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
Modem typeKnown for one	1	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	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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