Product comparison · 2 laptops

ASUS ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ vs ASUS K551LB-XX227H laptop Intel® Core™ i7 i7-4500U

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  • 146specifications compared
  • 50differ
  • 96identical
  • 32known for one product only

Key differences

  • Product colour
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:Black
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:Grey, Silver
  • Display diagonal
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:43.9 cm (17.3")
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:39.6 cm (15.6")
  • Display resolution
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:1920 x 1080 pixels
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:1366 x 768 pixels
  • Processor model
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:i7-4700HQ
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:i7-4500U
  • Processor cores
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:4
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:2
  • Processor threads
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:8
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:4
  • Processor boost frequency
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:3.4 GHz
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:3 GHz
  • Processor frequency
    • ROG G750JX-T4259H laptop Intel® Core™ i7 i7-4700HQ:2.4 GHz
    • K551LB-XX227H laptop Intel® Core™ i7 i7-4500U:1.8 GHz

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Differences highlightedShow differences only (off)
Comparison of G750JX-T4259H, K551LB-XX227H
178 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlackGrey, Silver
Form factorClamshellClamshell
Market positioningKnown for oneGamingUnknown — not stated by the source
Display2 differ
Display diagonalDiffers43.9 cm (17.3")39.6 cm (15.6")
Display resolutionDiffers1920 x 1080 pixels1366 x 768 pixels
HD typeKnown for oneFull HDUnknown — not stated by the source
LED backlightYesYes
Native aspect ratio16:916:9
Processor12 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i7Intel® Core™ i7
Processor generation4th gen Intel® Core™ i74th gen Intel® Core™ i7
Processor modelDiffersi7-4700HQi7-4500U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.4 GHz3 GHz
Processor frequencyDiffers2.4 GHz1.8 GHz
Processor cacheDiffers6 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketDiffersBGA 1364BGA 1168
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-4700 Mobile seriesIntel Core i7-4500 Mobile series
Processor codenameHaswellHaswell
Bus typeDMI2DMI2
FSB ParityNoNo
SteppingC0C0
Thermal Design Power (TDP)Differs47 W15 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x42x4
PCI Express slots versionDiffers3.02.0
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers16 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1600 MHz1600 MHz
Maximum internal memoryDiffers32 GB16 GB
Storage2 differ
Total storage capacityDiffers1 TB750 GB
Storage mediaHDD+SSDHDD+SSD
Number of HDDs installed11
HDD capacity750 GB750 GB
HDD interfaceSATASATA
Number of SSDs installed11
SSD capacityDiffers256 GB24 GB
Card reader integratedKnown for oneYesUnknown — not stated by the source
Compatible memory cardsKnown for oneMMC, SDUnknown — not stated by the source
HDD speedKnown for oneUnknown — not stated by the source5200 RPM
SSD interfaceKnown for oneUnknown — not stated by the sourcemSATA
Optical drive typeKnown for oneUnknown — not stated by the sourceDVD Super Multi
Graphics8 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 770MNVIDIA® GeForce® GT 740M
Discrete graphics card memoryDiffers3 GB2 GB
Discrete graphics memory typeDiffersGDDR5GDDR3
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 4400
Maximum on-board graphics card memory1.74 GB1.74 GB
On-board graphics card base frequencyDiffers400 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz1100 MHz
On-board graphics card DirectX versionDiffers11.2/1212
On-board graphics card IDDiffers0x4160xA16
Number of discrete graphics cards installed11
Audioidentical
Audio systemSonicMasterSonicMaster
Number of built-in speakers22
Built-in subwooferKnown for oneYesUnknown — not stated by the source
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Front camera resolutionKnown for oneUnknown — not stated by the source1280 x 720 pixels
Optical driveidentical
LightScribeKnown for oneNoUnknown — not stated by the source
Network1 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/sUnknown — not stated by the source
BluetoothYesYes
Bluetooth version4.04.0
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers42
eSATA/USB 2.0 ports quantity00
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) ports00
Headphone outputsDiffers10
S/PDIF out portNoNo
Microphone inDiffersYesNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
Combo headphone/mic portKnown for oneUnknown — not stated by the sourceYes
Total number of SATA connectorsKnown for oneUnknown — not stated by the source4
Number of SATA III connectorsKnown for oneUnknown — not stated by the source4
Performance1 differ
Motherboard chipsetDiffersIntel® HM87Intel® HM86
Keyboardidentical
Pointing deviceTouchpadTouchpad
Keyboard backlitKnown for oneYesUnknown — not stated by the source
Numeric keypadYesYes
Full-size keyboardYesYes
Windows keysYesYes
Keyboard layoutKnown for oneUnknown — not stated by the sourceQWERTY
Software1 differ
Operating system installedDiffersWindows 8Windows 8.1
Operating system architecture64-bit64-bit
Processor special features8 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyDiffersNoYes
Intel Secure Key Technology version1.001.00
Intel Smart Connect TechnologyDiffersNoYes
Intel TSX-NINoNo
Intel TSX-NI version0.000.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Active Management Technology (Intel® AMT)Known for oneNoUnknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® Matrix Storage Technology (Intel® MST)DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Rapid Start TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNoUnknown — not stated by the source
Intel® Smart Response TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers7511675460
Processor codeDiffersSR15ESR16Z
Processor package sizeDiffers37.5 x 32 x 1.6 mm40 x 24 x 1.5 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel ME Firmware VersionKnown for oneUnknown — not stated by the source9.5
Intel Smart Connect Technology versionKnown for oneUnknown — not stated by the source1.00
Battery2 differ
Number of battery cellsDiffers83
Battery capacityDiffers89 Wh65 Wh
Battery technologyKnown for oneUnknown — not stated by the sourceLithium-Ion (Li-Ion)
Battery life (max)Known for oneUnknown — not stated by the source9 h
Poweridentical
AC adapter powerKnown for one180 WUnknown — not stated by the source
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentKnown for one9.23 AUnknown — not stated by the source
AC adapter output voltageKnown for one19.5 VUnknown — not stated by the source
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers4.8 kg2.3 kg
WidthDiffers410 mm380 mm
DepthDiffers318 mm251 mm
Height (front)Differs1.7 cm2.48 cm
Height (rear)Differs5 cm3.17 cm
Packaging contentidentical
AC adapter includedYesYes
ManualKnown for oneUnknown — not stated by the sourceYes
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes

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