Product comparison · 2 laptops

Lenovo G550 + Warranty vs Lenovo ThinkPad T400 (647425G)

101specifications compared
37differ
64identical
26known for one product only

Key differences

Display diagonal
- G550 + Warranty:39.6 cm (15.6")
- ThinkPad T400 (647425G):35.8 cm (14.1")
Display resolution
- G550 + Warranty:1366 x 768 pixels
- ThinkPad T400 (647425G):1440 x 900 pixels
Native aspect ratio
- G550 + Warranty:16:9
- ThinkPad T400 (647425G):16:10
Processor family
- G550 + Warranty:Intel Pentium Mobile
- ThinkPad T400 (647425G):Intel® Core™2 Duo
Processor model
- G550 + Warranty:T4200
- ThinkPad T400 (647425G):P8600
Processor frequency
- G550 + Warranty:2 GHz
- ThinkPad T400 (647425G):2.4 GHz
Processor cache
- G550 + Warranty:1 MB
- ThinkPad T400 (647425G):3 MB
Processor front side bus
- G550 + Warranty:800 MHz
- ThinkPad T400 (647425G):1066 MHz

Side by side

Differences highlightedShow differences only

Comparison of G550 + Warranty, ThinkPad T400 (647425G)
127 specifications	A Lenovo G550 + Warranty View product	B Lenovo ThinkPad T400 (647425G)View product
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.8 cm (14.1")
Display resolutionDiffers	1366 x 768 pixels	1440 x 900 pixels
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratioDiffers	16:9	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium Mobile	Intel® Core™2 Duo
Processor modelDiffers	T4200	P8600
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2 GHz	2.4 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium T4000 Series for Mobile	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	R0	R1
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	10	9
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	3 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	1 x 2 GB
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	250 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, MS PRO, SD, xD	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500M	Intel® GMA 4500MHD
Audio1 differ
Audio systemDiffers	High Definition Audio	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
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Ethernet, Fast Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11b/g	Intel WiFi 5100AGN
BluetoothDiffers	Yes	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces4 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 slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	0	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 Home Premium	Windows Vista Business
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
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)Differs	No	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	37251	35568
Processor codeDiffers	SLGJN	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	3.8 h	6.6 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	2.7 kg	2.2 kg
WidthDiffers	381 mm	335.5 mm
DepthDiffers	245 mm	239 mm
HeightKnown for one	Unknown — not stated by the source	31.9 mm
Height (front)Known for one	2.65 cm	Unknown — not stated by the source
Height (rear)Known for one	3.62 cm	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 modemDiffers	No	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter type	AC	AC
Keyboardidentical
Pointing deviceKnown for one	Touchpad	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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