Product comparison · 2 laptops

Acer eMachines eME725-4443 Intel Pentium Mobile T4200 vs ASUS ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM

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  • 114specifications compared
  • 54differ
  • 60identical
  • 35known for one product only

Key differences

  • Product colour
    • eMachines eME725-4443 Intel Pentium Mobile T4200:Black
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:Black, Blue
  • Display resolution
    • eMachines eME725-4443 Intel Pentium Mobile T4200:1366 x 768 pixels
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:1920 x 1080 pixels
  • Processor family
    • eMachines eME725-4443 Intel Pentium Mobile T4200:Intel Pentium Mobile
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:Intel® Core™ i7
  • Processor model
    • eMachines eME725-4443 Intel Pentium Mobile T4200:T4200
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:i7-740QM
  • Processor cores
    • eMachines eME725-4443 Intel Pentium Mobile T4200:2
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:4
  • Processor threads
    • eMachines eME725-4443 Intel Pentium Mobile T4200:2
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:8
  • Processor frequency
    • eMachines eME725-4443 Intel Pentium Mobile T4200:2 GHz
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:1.73 GHz
  • Processor cache
    • eMachines eME725-4443 Intel Pentium Mobile T4200:1 MB
    • ROG G51JX-SZ391V Intel® Core™ i7 i7-740QM:6 MB

Side by side

Differences highlightedShow differences only (on)
Comparison of eME725-4443, G51JX-SZ391V
149 specifications
Design1 differ
Product colourDiffersBlackBlack, Blue
Display1 differ
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
LED backlightKnown for oneUnknown — not stated by the sourceYes
Processor17 differ
Processor familyDiffersIntel Pentium MobileIntel® Core™ i7
Processor generationKnown for oneUnknown — not stated by the sourceIntel® Core™ i7
Processor modelDiffersT4200i7-740QM
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyKnown for oneUnknown — not stated by the source2.93 GHz
Processor frequencyDiffers2 GHz1.73 GHz
System bus rateKnown for oneUnknown — not stated by the source2.5 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 oneUnknown — not stated by the source16
PCI Express configurationsKnown for oneUnknown — not stated by the source1x16, 2x8
PCI Express slots versionKnown for oneUnknown — not stated by the source2
Number of Processing Die TransistorsDiffers410 M774 M
Processing Die sizeDiffers107 mm²296 mm²
CPU multiplier (bus/core ratio)Differs1013
Processor front side busKnown for one800 MHzUnknown — not stated by the source
Memory3 differ
Internal memoryDiffers2 GB8 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Maximum internal memoryDiffers4 GB8 GB
Memory clock speedKnown for one533 MHzUnknown — not stated by the source
Memory layout (slots x size)Known for one2 x 1 GBUnknown — not stated by the source
Storage2 differ
Total storage capacityDiffers160 GB500 GB
Optical drive typeDiffersDVD Super Multi DLBlu-Ray DVD Combo
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMemory 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 oneUnknown — not stated by the sourceHDA
Network3 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN
BluetoothDiffersNoYes
Bluetooth versionKnown for oneUnknown — not stated by the source2.0+EDR
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Wireless technologyKnown for oneWi-FiUnknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers24
eSATA/USB 2.0 ports quantityKnown for oneUnknown — not stated by the source0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantityDiffers01
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source0
Firewire (IEEE 1394) portsDiffers01
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputsDiffers12
S/PDIF out portDiffersNoYes
TV-in portKnown for oneNoUnknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffersIntel® GL40 ExpressIntel® HM55 Express
Keyboardidentical
Keyboard layoutKnown for oneQWERTYUnknown — not stated by the source
Software1 differ
Operating system installedDiffersLinuxWindows 7 Home Premium
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Processor special features11 differ
CPU configuration (max)Known for oneUnknown — not stated by the source1
Idle StatesKnown for oneUnknown — not stated by the sourceYes
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 oneUnknown — not stated by the sourceYes
Intel® Turbo Boost TechnologyDiffersNo1.0
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
Processor ARK IDDiffers3725149024
Processor codeDiffersSLGJNSLBQG
Processor package sizeDiffers35 x 35 mm37.5 x 37.5 mm
Supported instruction setsKnown for oneUnknown — not stated by the sourceSSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Battery1 differ
Battery capacityDiffers4400 mAh4800 mAh
Battery life (max)Known for one3 hUnknown — not stated by the source
Poweridentical
AC adapter powerKnown for one48.8 WUnknown — not stated by the source
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
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 802.3uUnknown — not stated by the source
Power requirementsKnown for one100 - 240VUnknown — not stated by the source
Power supply typeKnown for oneACUnknown — not stated by the source
Wake-on-LAN readyKnown for oneYesUnknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MPUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — 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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