Product comparison · 2 laptops

ASUS G51JX-SZ187V, ES vs HP 620 Notebook PC

102specifications compared
47differ
55identical
60known for one product only

Key differences

Display resolution
- G51JX-SZ187V, ES:1920 x 1080 pixels
- 620 Notebook PC:1366 x 768 pixels
Processor family
- G51JX-SZ187V, ES:Intel® Core™ i7
- 620 Notebook PC:Intel® Pentium® Dual-Core
Processor model
- G51JX-SZ187V, ES:i7-720QM
- 620 Notebook PC:T4400
Processor cores
- G51JX-SZ187V, ES:4
- 620 Notebook PC:2
Processor threads
- G51JX-SZ187V, ES:8
- 620 Notebook PC:2
Processor frequency
- G51JX-SZ187V, ES:1.6 GHz
- 620 Notebook PC:2.2 GHz
Processor cache
- G51JX-SZ187V, ES:6 MB
- 620 Notebook PC:1 MB
Processor cache type
- G51JX-SZ187V, ES:Smart Cache
- 620 Notebook PC:L2

Side by side

Differences highlightedShow differences only

Comparison of G51JX-SZ187V, ES, 620 Notebook PC
162 specifications	A ASUS G51JX-SZ187V, ES View product	B HP 620 Notebook PC View product
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium® Dual-Core
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-720QM	T4400
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	2.8 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.6 GHz	2.2 GHz
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	6 MB	1 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketDiffers	Socket 988	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-700 Mobile Series	Intel Pentium T4000 Series for Mobile
Processor codenameDiffers	Clarksfield	Penryn
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
SteppingDiffers	B1	R0
Thermal Design Power (TDP)Differs	45 W	35 W
TjunctionDiffers	100 °C	105 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	774 M	410 M
Processing Die sizeDiffers	296 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	12	11
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory2 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	1333 MHz
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory upgradeKnown for one	Unknown — not stated by the source	8 GB
Storage2 differ
Total storage capacityDiffers	640 GB	160 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, MS Pro, SD, xD	MMC, SD
Maximum HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics1 differ
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GTS 360M	Intel® GMA 4500MHD
Graphics card familyKnown for one	nVidia	Unknown — not stated by the source
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Audioidentical
Speakers manufacturerKnown for one	Altec Lansing	Unknown — not stated by the source
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Audio includedKnown for one	Unknown — not stated by the source	High Definition Audio, integrated mono speaker, stereo headphone/line out, stereo microphone in, integrated microphone
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Ethernet, Fast Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g/n	IEEE 802.11b/g/n
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	4	3
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
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
I/O portsKnown for one	Unknown — not stated by the source	3 USB 2.0; 1 VGA-in; 1 HDMI; 1 stereo microphone in; 1 stereo headphone/line-out; 1 AC power; 1 RJ-11; 1 RJ-45
Performance1 differ
Motherboard chipsetDiffers	Intel® HM55 Express	Intel® GM45 Express
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
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
Compatible operating systemsKnown for one	Unknown — not stated by the source	Genuine Windows 7 Home Premium 64; Genuine Windows 7 Professional 64
Processor special features10 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options available	No	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 TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	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)Differs	Yes	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® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	1.0	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	43122	40739
Processor codeDiffers	SLBLY	SLGJL
Processor package sizeDiffers	37.5 x 37.5 mm	35 x 35 mm
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processor	No	No
Poweridentical
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
DC-in jack	Yes	Yes
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Security management descriptionKnown for one	Unknown — not stated by the source	Standard: HP Spare Key, HP Disk Sanitizer, Setup Password, DriveLock, Kensington Lock Slot, Support for Computrace / LoJack for Laptops (must be purchased separately), McAfee Security Solution 60-day trial
Weight & dimensions4 differ
WeightDiffers	3.3 kg	2.49 kg
WidthDiffers	375 mm	371.8 mm
DepthDiffers	265 mm	249.6 mm
Height (front)Differs	3.43 cm	2.75 cm
Height (rear)Known for one	4.06 cm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	371.8 x 249.6 x 27.5 mm
Weight (imperial)Known for one	Unknown — not stated by the source	Starting at 5.2 lb
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
Supplied AC adapter type	AC	AC
Battery typeKnown for one	Unknown — not stated by the source	6-cell (47 WHr) Lithium-Ion Battery
Minimum storage drive spaceKnown for one	Unknown — not stated by the source	160 GB
Power requirementsKnown for one	Unknown — not stated by the source	External 65W AC Adapter, HP Fast Charge
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Docking solutionKnown for one	Unknown — not stated by the source	HP USB 2.0 Docking Station, HP Basic Adjustable Stand
Expansion slotsKnown for one	Unknown — not stated by the source	1 Express Card/34; 1 secure digital/MultiMedia card
Designidentical
Country of originKnown for one	Unknown — not stated by the source	China
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Keyboard typeKnown for one	Unknown — not stated by the source	Full-sized spill-resistant keyboard
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
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%
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	160 GB 7200 rpm SATA II
Storage drive controllerKnown for one	Unknown — not stated by the source	SATA II (5400 rpm) SATA II (7200 rpm)

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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