Product comparison · 2 laptops

ASUS G51JX-IX192V, UK vs ASUS K51AE-SX040V laptop M520

58specifications compared
26differ
32identical
87known for one product only

Key differences

Display resolution
- G51JX-IX192V, UK:1920 x 1080 pixels
- K51AE-SX040V laptop M520:1366 x 768 pixels
Processor model
- G51JX-IX192V, UK:i7-720QM
- K51AE-SX040V laptop M520:M520
Processor frequency
- G51JX-IX192V, UK:1.6 GHz
- K51AE-SX040V laptop M520:2.3 GHz
Processor cache
- G51JX-IX192V, UK:6 MB
- K51AE-SX040V laptop M520:1 MB
Processor cache type
- G51JX-IX192V, UK:Smart Cache
- K51AE-SX040V laptop M520:L2
Internal memory
- G51JX-IX192V, UK:8 GB
- K51AE-SX040V laptop M520:3 GB
Internal memory type
- G51JX-IX192V, UK:DDR3-SDRAM
- K51AE-SX040V laptop M520:DDR2-SDRAM
Memory clock speed
- G51JX-IX192V, UK:1066 MHz
- K51AE-SX040V laptop M520:800 MHz

Side by side

Differences highlightedShow differences only

Comparison of G51JX-IX192V, UK, K51AE-SX040V
145 specifications	A ASUS G51JX-IX192V, UK View product	B ASUS K51AE-SX040V laptop M520 Model K51AE-SX040V 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 backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Processor4 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-720QM	M520
Processor coresKnown for one	4	Unknown — not stated by the source
Processor threadsKnown for one	8	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.8 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.6 GHz	2.3 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 socketKnown for one	Socket 988	Unknown — not stated by the source
Processor lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i7-700 Mobile Series	Unknown — not stated by the source
Processor codenameKnown for one	Clarksfield	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	B1	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	45 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
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 TransistorsKnown for one	774 M	Unknown — not stated by the source
Processing Die sizeKnown for one	296 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	12	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	8 GB	3 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedDiffers	1066 MHz	800 MHz
Maximum internal memoryDiffers	8 GB	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 + 1 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage2 differ
Total storage capacityDiffers	640 GB	320 GB
HDD interface	SATA	SATA
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, MS Pro, SD, xD	MMC, SD
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi
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	AMD Mobility Radeon HD 4200
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 manufacturer	Altec Lansing	Altec Lansing
Audio systemKnown for one	Unknown — not stated by the source	HD SRS PS
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Fast Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/b/g/n	Wi-Fi
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantity	4	4
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Headphone outputs	1	1
S/PDIF out port	Yes	Yes
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	0	0
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
Performance1 differ
Motherboard chipsetDiffers	Intel® HM55 Express	AMD M880G
Keyboardidentical
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Keyboard number of keysKnown for one	Unknown — not stated by the source	88
Keyboard key pitchKnown for one	Unknown — not stated by the source	1.9 cm
Software1 differ
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Trial softwareDiffers	Trend Micro Internet Security 2009	Norton Internet Security 2009
Bundled softwareKnown for one	ASUS DVD 6-in-1 Adobe Acrobat Reader 9.0 ASUS	Unknown — not stated by the source
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	1.0	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDKnown for one	43122	Unknown — not stated by the source
Processor codeKnown for one	SLBLY	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	120 W	90 W
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output current	4.74 A	4.74 A
AC adapter output voltage	19 V	19 V
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
Weight & dimensions5 differ
WeightDiffers	3.3 kg	2.6 kg
WidthDiffers	375 mm	370 mm
DepthDiffers	265 mm	256 mm
Height (front)Differs	3.43 cm	3.1 cm
Height (rear)Differs	4.06 cm	3.55 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.11 b/g/n
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Optical driveidentical
Optical drive interfaceKnown for one	Unknown — not stated by the source	SATA
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery capacityKnown for one	Unknown — not stated by the source	4400 mAh

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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