Product comparison · 2 laptops

Lenovo ThinkPad T400 (64741EG), CH vs Lenovo ThinkPad T400 + ThinkPad Essential Port Replicator

111specifications compared
23differ
88identical
16known for one product only

Key differences

Display resolution
- ThinkPad T400 (64741EG), CH:1280 x 800 pixels
- ThinkPad T400 + ThinkPad Essential Port Replicator:1440 x 900 pixels
Processor model
- ThinkPad T400 (64741EG), CH:P8400
- ThinkPad T400 + ThinkPad Essential Port Replicator:P8600
Processor frequency
- ThinkPad T400 (64741EG), CH:2.26 GHz
- ThinkPad T400 + ThinkPad Essential Port Replicator:2.4 GHz
Processor socket
- ThinkPad T400 (64741EG), CH:Socket 478
- ThinkPad T400 + ThinkPad Essential Port Replicator:Socket 479
Stepping
- ThinkPad T400 (64741EG), CH:M0
- ThinkPad T400 + ThinkPad Essential Port Replicator:R1
CPU multiplier (bus/core ratio)
- ThinkPad T400 (64741EG), CH:8.5
- ThinkPad T400 + ThinkPad Essential Port Replicator:9
Total storage capacity
- ThinkPad T400 (64741EG), CH:160 GB
- ThinkPad T400 + ThinkPad Essential Port Replicator:250 GB
Card reader integrated
- ThinkPad T400 (64741EG), CH:No
- ThinkPad T400 + ThinkPad Essential Port Replicator:Yes

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (64741EG), CH, ThinkPad T400 + ThinkPad Essential Port Replicator
127 specifications	A Lenovo ThinkPad T400 (64741EG), CH View product	B Lenovo ThinkPad T400 + ThinkPad Essential Port Replicator View product
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 surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor5 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8400	P8600
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.26 GHz	2.4 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
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
SteppingDiffers	M0	R1
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)Differs	8.5	9
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage2 differ
Total storage capacityDiffers	160 GB	250 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interface	SATA	SATA
Card reader integratedDiffers	No	Yes
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MS Pro, SD, SDHC, xD
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500MHD	AMD Mobility Radeon HD 3470
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Audio1 differ
Audio systemDiffers	HDA 24-bit	High Definition Audio
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Cameraidentical
Front camera	No	No
Network3 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Wireless technologyDiffers	Intel WiFi 5300AGN	IEEE 802.11a/g/n
BluetoothDiffers	Yes	No
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 & 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 outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
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	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Microsoft Office 2007	Unknown — not stated by the source
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	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 IDDiffers	35569	35568
Processor codeDiffers	SL3BU	SLGDZ
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	6.6 h	6.3 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	IBM	Kensington
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Weight & dimensions3 differ
WeightDiffers	2.2 kg	2.14 kg
Width	335.5 mm	335.5 mm
DepthDiffers	239 mm	238 mm
HeightDiffers	31.9 mm	32 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	V.90
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav

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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