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Product comparison · 2 laptops

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

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

Key differences

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

Side by side

Differences highlightedShow differences only
148 specifications
A

Acer

eMachines E725-4704View product
B

ASUS

ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM

Model G51JX-SZ391V

View product
Design1 differ
Product colourDiffersBlackBlack, Blue
Display1 differ
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
LED backlightKnown for oneYes
Processor17 differ
Processor familyDiffersIntel Pentium MobileIntel® Core™ i7
Processor generationKnown for oneIntel® Core™ i7
Processor modelDiffersT4200i7-740QM
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyKnown for one2.93 GHz
Processor frequencyDiffers2 GHz1.73 GHz
System bus rateKnown for one2.5 GT/s
Processor cacheDiffers1 MB6 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersLGA 3647 (Socket P)Socket 988
Processor seriesDiffersIntel Pentium T4000 Series for MobileIntel Core i7-700 Mobile Series
Processor codenameDiffersPenrynClarksfield
Bus typeDiffersFSBDMI
SteppingDiffersR0B1
Thermal Design Power (TDP)Differs35 W45 W
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2
Number of Processing Die TransistorsDiffers410 M774 M
Processing Die sizeDiffers107 mm²296 mm²
CPU multiplier (bus/core ratio)Differs1013
Processor front side busKnown for one800 MHz
Memory3 differ
Internal memoryDiffers2 GB8 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Maximum internal memoryDiffers4 GB8 GB
Memory clock speedKnown for one533 MHz
Storage3 differ
Total storage capacityDiffers160 GB500 GB
Optical drive typeDiffersDVD Super Multi DLBlu-Ray DVD Combo
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, xDMemory Stick (MS), MiniSD, MMC, MS Duo, MS PRO, SD
Graphics2 differ
Discrete graphics card modelDiffersIntel 4500MNVIDIA® GeForce® GTS 360M
Graphics card familyDiffersIntelNVIDIA
Audioidentical
Audio systemKnown for oneHDA
Network2 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN
BluetoothDiffersNoYes
Bluetooth versionKnown for one2.0+EDR
Wireless technologyKnown for oneWi-Fi
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers24
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityDiffers01
Mini DisplayPorts quantityKnown for one0
Firewire (IEEE 1394) portsDiffers01
Thunderbolt ports quantityKnown for one0
Headphone outputsDiffers12
S/PDIF out portDiffersNoYes
TV-in portKnown for oneNo
Performance1 differ
Motherboard chipsetDiffersIntel® GL40 ExpressIntel® HM55 Express
Software1 differ
Operating system installedDiffersWindows Vista Home BasicWindows 7 Home Premium
Operating system architectureKnown for one64-bit
Processor special features11 differ
CPU configuration (max)Known for one1
Idle StatesKnown for oneYes
Intel Enhanced Halt StateDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyDiffersNo1.0
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDDiffers3725149024
Processor codeDiffersSLGJNSLBQG
Processor package sizeDiffers35 x 35 mm37.5 x 37.5 mm
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Battery1 differ
Battery capacityDiffers4400 mAh4800 mAh
Battery life (max)Known for one3 h
Poweridentical
AC adapter powerKnown for one48.8 W
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Weight & dimensions5 differ
WeightDiffers2.7 kg3.3 kg
WidthDiffers372.3 mm375 mm
DepthDiffers246.5 mm265 mm
Height (front)Differs2.68 cm3.43 cm
Height (rear)Differs3.96 cm4.06 cm
Other featuresidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one100-240V
Power supply typeKnown for oneAC
Wake-on-LAN readyKnown for oneYes
Internal modemKnown for oneNo
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY 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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