Product comparison · 2 laptops

ASUS G51JX-SZ051V, ES vs HP EliteBook 8440p Notebook PC

107specifications compared
54differ
53identical
48known for one product only

Key differences

Display diagonal
- G51JX-SZ051V, ES:39.6 cm (15.6")
- EliteBook 8440p Notebook PC:35.6 cm (14")
Display resolution
- G51JX-SZ051V, ES:1920 x 1080 pixels
- EliteBook 8440p Notebook PC:1366 x 768 pixels
Processor family
- G51JX-SZ051V, ES:Intel® Core™ i7
- EliteBook 8440p Notebook PC:Intel® Core™ i5
Processor generation
- G51JX-SZ051V, ES:Intel® Core™ i7
- EliteBook 8440p Notebook PC:Intel® Core™ i5
Processor model
- G51JX-SZ051V, ES:i7-720QM
- EliteBook 8440p Notebook PC:i5-540M
Processor cores
- G51JX-SZ051V, ES:4
- EliteBook 8440p Notebook PC:2
Processor threads
- G51JX-SZ051V, ES:8
- EliteBook 8440p Notebook PC:4
Processor boost frequency
- G51JX-SZ051V, ES:2.8 GHz
- EliteBook 8440p Notebook PC:3.07 GHz

Side by side

Differences highlightedShow differences only

Comparison of G51JX-SZ051V, ES, EliteBook 8440p Notebook PC
155 specifications	A ASUS G51JX-SZ051V, ES View product	B HP EliteBook 8440p Notebook PC View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Silver
Country of originKnown for one	Unknown — not stated by the source	China
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor modelDiffers	i7-720QM	i5-540M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	2.8 GHz	3.07 GHz
Processor frequencyDiffers	1.6 GHz	2.53 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	Socket 988	BGA 956
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-700 Mobile Series	Intel Core i5-500 Mobile Series
Processor codenameDiffers	Clarksfield	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	B1	C2
Thermal Design Power (TDP)Differs	45 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8	1x16
PCI Express slots version	2.0	2.0
Number of Processing Die TransistorsDiffers	774 M	382 M
Processing Die sizeDiffers	296 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	12	19
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1066 MHz	1333 MHz
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryDiffers	4 GB	8 GB
Storage3 differ
Total storage capacityDiffers	640 GB	320 GB
HDD interfaceDiffers	SATA	SATA II
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, MS Pro, SD, xD	MMC, SD
Graphics3 differ
On-board graphics cardDiffers	No	Yes
Graphics card familyDiffers	nVidia	Intel
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelDiffers	Not available	Intel® HD Graphics
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	766 MHz
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GTS 360M	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HP Premier Sound
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speakers manufacturerKnown for one	Altec Lansing	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Network3 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g/n	Yes
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	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 slotDiffers	No	Yes
TV-in port	No	No
TV-out	No	No
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM57 Express
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Trial softwareKnown for one	Trend Micro Internet Security 2009	Unknown — not stated by the source
Bundled softwareKnown for one	ASUS DVD 6-in-1 Adobe Acrobat Reader 9.0 ASUS	Unknown — not stated by the source
Processor special features12 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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	1.0	1.0
Physical Address Extension (PAE)Differs	Yes	36 bit
Processor ARK IDDiffers	43122	43544
Processor package sizeDiffers	37.5 x 37.5 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffers	SSE4.2	SSE4.1/4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SLBLY	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	120 W	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output currentKnown for one	4.74 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions4 differ
WeightDiffers	3.3 kg	2.08 kg
WidthDiffers	375 mm	336 mm
DepthDiffers	265 mm	236 mm
Height (front)Differs	3.43 cm	3.1 cm
Height (rear)Known for one	4.06 cm	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise
Supplied AC adapter type	AC	AC
Packaging contentidentical
AC adapter includedKnown for one	Yes	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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