Product comparison · 2 laptops

Haier T31 laptop Intel Pentium Mobile T2080 vs Haier T51 laptop Intel® Core™2 Duo T5250

102specifications compared
25differ
77identical
6known for one product only

Key differences

Display diagonal
- T31 laptop Intel Pentium Mobile T2080:33.8 cm (13.3")
- T51 laptop Intel® Core™2 Duo T5250:35.8 cm (14.1")
Processor family
- T31 laptop Intel Pentium Mobile T2080:Intel Pentium Mobile
- T51 laptop Intel® Core™2 Duo T5250:Intel® Core™2 Duo
Processor model
- T31 laptop Intel Pentium Mobile T2080:T2080
- T51 laptop Intel® Core™2 Duo T5250:T5250
Processor frequency
- T31 laptop Intel Pentium Mobile T2080:1.73 GHz
- T51 laptop Intel® Core™2 Duo T5250:1.5 GHz
Processor cache
- T31 laptop Intel Pentium Mobile T2080:1 MB
- T51 laptop Intel® Core™2 Duo T5250:2 MB
Processor front side bus
- T31 laptop Intel Pentium Mobile T2080:533 MHz
- T51 laptop Intel® Core™2 Duo T5250:667 MHz
Processor operating modes
- T31 laptop Intel Pentium Mobile T2080:32-bit
- T51 laptop Intel® Core™2 Duo T5250:64-bit
Processor codename
- T31 laptop Intel Pentium Mobile T2080:Yonah
- T51 laptop Intel® Core™2 Duo T5250:Merom

Side by side

Differences highlightedShow differences only

Comparison of T31, T51
108 specifications	A Haier T31 laptop Intel Pentium Mobile T2080 Model T31 View product	B Haier T51 laptop Intel® Core™2 Duo T5250 Model T51 View product
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	35.8 cm (14.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium Mobile	Intel® Core™2 Duo
Processor modelDiffers	T2080	T5250
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.73 GHz	1.5 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	667 MHz
Processor socket	Socket 478	Socket 478
Processor lithography	65 nm	65 nm
Processor operating modesDiffers	32-bit	64-bit
Processor seriesDiffers	Intel Pentium T2000 Series for Mobile	Intel Core 2 Duo T5000 Series
Processor codenameDiffers	Yonah	Merom
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	D0	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	31 W	65, 35
Tjunction	100 °C	100 °C
Number of Processing Die TransistorsDiffers	151 M	291 M
Processing Die sizeDiffers	90 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	13	9
ECC supported by processor	No	No
Memoryidentical
Internal memory	1 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Maximum internal memory	2 GB	2 GB
Storageidentical
Total storage capacity	120 GB	120 GB
HDD speed	5400 RPM	5400 RPM
Optical drive type	DVD±RW	DVD±RW
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	945GM Express	Intel® GMA 3000
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Cameraidentical
Front camera resolution (numeric)	1.3 MP	1.3 MP
Network1 differ
Wireless technologyDiffers	IEEE 802.11b/g	IEEE 802.11a/g/n
Bluetooth	No	No
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
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	Yes	Yes
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
Modem (RJ-11) ports	0	0
TV-in port	No	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® 945GM Express	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Softwareidentical
Operating system installed	Windows Vista Home Basic	Windows Vista Home Basic
Processor special features3 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	No	Unknown — not stated by the source
Intel 64Differs	No	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	No	No
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	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
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	29740	30786
Processor codeKnown for one	SL9VY	Unknown — not stated by the source
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 capacity	4400 mAh	4400 mAh
Poweridentical
AC adapter power	90 W	90 W
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Weight & dimensions5 differ
WeightDiffers	2.2 kg	2.27 kg
WidthDiffers	318 mm	334 mm
DepthDiffers	237 mm	247 mm
HeightDiffers	36.7 mm	31 mm
Dimensions (WxDxH)Differs	318 x 237 x 36.7 mm	334 x 247 x 31 mm
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
Supplied AC adapter type	AC	AC

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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