Product comparison · 2 laptops

ASUS G51JX-IX305V, NL vs Lenovo ThinkPad G450 Intel® Pentium® Dual-Core T4400

107specifications compared
48differ
59identical
44known for one product only

Key differences

Display diagonal
- G51JX-IX305V, NL:39.6 cm (15.6")
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:35.6 cm (14")
Display resolution
- G51JX-IX305V, NL:1920 x 1080 pixels
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:1366 x 768 pixels
Processor family
- G51JX-IX305V, NL:Intel® Core™ i7
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:Intel® Pentium® Dual-Core
Processor model
- G51JX-IX305V, NL:i7-720QM
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:T4400
Processor cores
- G51JX-IX305V, NL:4
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:2
Processor threads
- G51JX-IX305V, NL:8
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:2
Processor frequency
- G51JX-IX305V, NL:1.6 GHz
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:2.2 GHz
Processor cache
- G51JX-IX305V, NL:6 MB
- ThinkPad G450 Intel® Pentium® Dual-Core T4400:1 MB

Side by side

Differences highlightedShow differences only

Comparison of G51JX-IX305V, NL, G450
151 specifications	A ASUS G51JX-IX305V, NL View product	B Lenovo ThinkPad G450 Intel® Pentium® Dual-Core T4400 Model G450 View product
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
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
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	4 GB	1 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memoryDiffers	8 GB	4 GB
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	Memory Stick (MS), MMC, MS PRO, SD, xD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Graphics2 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 4500M
Graphics card familyDiffers	nVidia	Intel
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
Speaker powerKnown for one	Unknown — not stated by the source	4 W
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Fast Ethernet
Wireless technologyKnown for one	IEEE 802.11a/b/g/n	Unknown — not stated by the source
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	4	3
eSATA ports quantityDiffers	1	0
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 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 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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel® HM55 Express	Intel® GL40 Express
Software2 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Home Premium
Trial softwareKnown for one	Trend Micro Internet Security 2009	Unknown — not stated by the source
Bundled softwareDiffers	ASUS DVD 6-in-1 Adobe Acrobat Reader 9.0 ASUS	- Lenovo OneKey Recovery - Lenovo ReadyComm - Norton Internet Security - Adobe Reader - Windows Live Toolbar - Easy Capture - VeriFace - Lenovo Energy Management Software Cyberlink Power2Go
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 slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Weight & dimensions3 differ
WeightDiffers	3.3 kg	2.21 kg
WidthDiffers	375 mm	345 mm
DepthDiffers	265 mm	235 mm
Height (front)Known for one	3.43 cm	Unknown — not stated by the source
Height (rear)Known for one	4.06 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	35.9 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
Supplied AC adapter type	AC	AC
Drive device, transfer rateKnown for one	Unknown — not stated by the source	3000 MB/s
TV tuner integratedKnown for one	Unknown — not stated by the source	No
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
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad + Scroll zone
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	5 h
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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