Product comparison · 2 laptops

Acer eMachines E725-4704 vs ASUS ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM

115specifications compared
54differ
61identical
33known for one product only

Key differences

Product colour
- eMachines E725-4704:Black
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:Black, Blue
Display resolution
- eMachines E725-4704:1366 x 768 pixels
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:1920 x 1080 pixels
Processor family
- eMachines E725-4704:Intel Pentium Mobile
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:Intel® Core™ i7
Processor model
- eMachines E725-4704:T4200
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:i7-740QM
Processor cores
- eMachines E725-4704:2
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:4
Processor threads
- eMachines E725-4704:2
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:8
Processor frequency
- eMachines E725-4704:2 GHz
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:1.73 GHz
Processor cache
- eMachines E725-4704:1 MB
- ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:6 MB

Side by side

Differences highlightedShow differences only

Comparison of eMachines E725-4704, G51JX-SZ391V
148 specifications	A Acer eMachines E725-4704 View product	B ASUS ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM Model G51JX-SZ391V View product
Design1 differ
Product colourDiffers	Black	Black, Blue
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratio	16:9	16:9
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium Mobile	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i7
Processor modelDiffers	T4200	i7-740QM
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.93 GHz
Processor frequencyDiffers	2 GHz	1.73 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor cacheDiffers	1 MB	6 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	LGA 3647 (Socket P)	Socket 988
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium T4000 Series for Mobile	Intel Core i7-700 Mobile Series
Processor codenameDiffers	Penryn	Clarksfield
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
SteppingDiffers	R0	B1
Thermal Design Power (TDP)Differs	35 W	45 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2
Number of Processing Die TransistorsDiffers	410 M	774 M
Processing Die sizeDiffers	107 mm²	296 mm²
CPU multiplier (bus/core ratio)Differs	10	13
ECC supported by processor	No	No
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	8 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	4 GB	8 GB
Memory clock speedKnown for one	533 MHz	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	160 GB	500 GB
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	Blu-Ray DVD Combo
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	Memory Stick (MS), MiniSD, MMC, MS Duo, MS PRO, SD
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel 4500M	NVIDIA® GeForce® GTS 360M
Graphics card familyDiffers	Intel	NVIDIA
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HDA
Number of built-in speakers	2	2
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsDiffers	1	2
S/PDIF out portDiffers	No	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	No	No
Modem (RJ-11) ports	0	0
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
TV-in portKnown for one	No	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® GL40 Express	Intel® HM55 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Software1 differ
Operating system installedDiffers	Windows Vista Home Basic	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features11 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	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 StateDiffers	No	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	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
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	No	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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	1.0
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	37251	49024
Processor codeDiffers	SLGJN	SLBQG
Processor package sizeDiffers	35 x 35 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery capacityDiffers	4400 mAh	4800 mAh
Battery life (max)Known for one	3 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	48.8 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions5 differ
WeightDiffers	2.7 kg	3.3 kg
WidthDiffers	372.3 mm	375 mm
DepthDiffers	246.5 mm	265 mm
Height (front)Differs	2.68 cm	3.43 cm
Height (rear)Differs	3.96 cm	4.06 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power requirementsKnown for one	100-240V	Unknown — not stated by the source
Power supply typeKnown for one	AC	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Internal modemKnown for one	No	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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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