Product comparison · 2 laptops

HP 550 + 2y Return to Depot NB/TAB Only SVC vs Lenovo ThinkPad T400 + ServicePack 3 years On-Site

110specifications compared
37differ
73identical
12known for one product only

Key differences

Display diagonal
- 550 + 2y Return to Depot NB/TAB Only SVC:39.1 cm (15.4")
- ThinkPad T400 + ServicePack 3 years On-Site:35.8 cm (14.1")
Display resolution
- 550 + 2y Return to Depot NB/TAB Only SVC:1280 x 800 pixels
- ThinkPad T400 + ServicePack 3 years On-Site:1440 x 900 pixels
Processor model
- 550 + 2y Return to Depot NB/TAB Only SVC:T5470
- ThinkPad T400 + ServicePack 3 years On-Site:P8700
Processor frequency
- 550 + 2y Return to Depot NB/TAB Only SVC:1.6 GHz
- ThinkPad T400 + ServicePack 3 years On-Site:2.53 GHz
Processor cache
- 550 + 2y Return to Depot NB/TAB Only SVC:2 MB
- ThinkPad T400 + ServicePack 3 years On-Site:3 MB
Processor front side bus
- 550 + 2y Return to Depot NB/TAB Only SVC:800 MHz
- ThinkPad T400 + ServicePack 3 years On-Site:1066 MHz
Processor socket
- 550 + 2y Return to Depot NB/TAB Only SVC:Socket 478
- ThinkPad T400 + ServicePack 3 years On-Site:Socket 479
Processor lithography
- 550 + 2y Return to Depot NB/TAB Only SVC:65 nm
- ThinkPad T400 + ServicePack 3 years On-Site:45 nm

Side by side

Differences highlightedShow differences only

Comparison of 550 + 2y Return to Depot NB/TAB Only SVC, ThinkPad T400 + ServicePack 3 years On-Site
122 specifications	A HP 550 + 2y Return to Depot NB/TAB Only SVC View product	B Lenovo ThinkPad T400 + ServicePack 3 years On-Site View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display surface	Matt	Matt
Processor14 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5470	P8700
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.6 GHz	2.53 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Merom	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	M0	R0
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	8	9.5
ECC supported by processor	No	No
Memory1 differ
Internal memory	2 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage2 differ
Total storage capacityDiffers	160 GB	320 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, MS Pro, SD, SDHC, xD
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X3100	AMD Mobility Radeon HD 3470
Maximum graphics card memoryDiffers	0.384 GB	0.256 GB
Audio1 differ
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakersDiffers	1	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network2 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11b/g	IEEE 802.11a/g/n
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.0+EDR	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) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	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
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Home Basic	Windows Vista Business
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	31788	37006
Processor codeDiffers	SLAEB	SLGFE
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	6.3 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	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	2.5 kg	2.38 kg
WidthDiffers	358 mm	335.5 mm
DepthDiffers	267 mm	238 mm
Height	32 mm	32 mm
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.90
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter type	AC	AC
Designidentical
Country of originKnown for one	China	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel GME965 Express	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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