Product comparison · 2 laptops

ASUS X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop vs ASUS X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop

Add a product
  • 128specifications compared
  • 32differ
  • 96identical
  • 25known for one product only

Key differences

  • Product colour
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:Black
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:White
  • Display resolution
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:1600 x 900 pixels
  • HD type
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:Full HD
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:HD+
  • Processor family
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:Intel® Core™ i3
  • Processor generation
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:5th gen Intel® Core™ i7
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:4th gen Intel® Core™ i3
  • Processor model
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:i7-5500U
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:i3-4005U
  • Processor frequency
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:2.4 GHz
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:1.7 GHz
  • Processor cache
    • X751LB-T4275D Intel® Core™ i7 i7-5500U Laptop:4 MB
    • X751LB-TY257D Intel® Core™ i3 i3-4005U Laptop:3 MB

Side by side

Differences highlightedShow differences only (off)
Comparison of X751LB-T4275D, X751LB-TY257D
153 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlackWhite
Form factorClamshellClamshell
Display2 differ
Display diagonal43.9 cm (17.3")43.9 cm (17.3")
Display resolutionDiffers1920 x 1080 pixels1600 x 900 pixels
HD typeDiffersFull HDHD+
LED backlightYesYes
Native aspect ratio16:916:9
Processor14 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffers5th gen Intel® Core™ i74th gen Intel® Core™ i3
Processor modelDiffersi7-5500Ui3-4005U
Processor cores22
Processor threads44
Processor boost frequencyKnown for one3 GHzUnknown — not stated by the source
Processor frequencyDiffers2.4 GHz1.7 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers4 MB3 MB
Processor cache typeDiffersL3Smart Cache
Processor socketBGA 1168BGA 1168
Processor lithographyDiffers14 nm22 nm
Processor operating modesDiffers32-bit, 64-bit64-bit
Processor seriesDiffersIntel Core i7-5500 Mobile SeriesIntel® Core™ i3-4000 Mobile Series
Processor codenameDiffersBroadwellHaswell
Bus typeDiffersDMI2DMI
SteppingKnown for oneF0Unknown — not stated by the source
Thermal Design Power (TDP)15 W15 W
Configurable TDP-downKnown for one7.5 WUnknown — not stated by the source
Configurable TDP-down frequencyKnown for one0.6 GHzUnknown — not stated by the source
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanesDiffers1210
PCI Express configurationsDiffers4x1, 2x44x1, 1x4
PCI Express slots version2.02.0
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Memory1 differ
Internal memoryDiffers8 GB6 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
Maximum internal memory12 GB12 GB
Storage1 differ
Total storage capacity1 TB1 TB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity1 TB1 TB
HDD speed5400 RPM5400 RPM
Optical drive typeDiffersDVD-RWDVD Super Multi
Card reader integratedYesYes
Compatible memory cardsSD, SDHC, SDXCSD, SDHC, SDXC
Graphics5 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelNVIDIA® GeForce® 940MNVIDIA® GeForce® 940M
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 5500Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers16 GB2 GB
On-board graphics card base frequencyDiffers300 MHz200 MHz
On-board graphics card dynamic frequency (max)950 MHz950 MHz
On-board graphics card DirectX versionDiffers11.212
On-board graphics card IDDiffers0x16160xA16
Audioidentical
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Networkidentical
Wi-FiYesYes
Wi-Fi standards802.11g, 802.11b, Wi-Fi 4 (802.11n)802.11g, 802.11b, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
BluetoothYesYes
Bluetooth version4.04.0
Ports & interfacesidentical
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity33
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Thunderbolt ports quantity00
Headphone outputs00
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Total number of SATA connectorsKnown for oneUnknown — not stated by the source2
Number of SATA III connectorsKnown for oneUnknown — not stated by the source2
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Windows keysYesYes
Softwareidentical
Operating system installedFreeDOSFreeDOS
Processor special features8 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one14 nmUnknown — not stated by the source
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyKnown for oneYesUnknown — not stated by the source
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessKnown for oneYesUnknown — not stated by the source
Intel Flex Memory AccessKnown for oneYesUnknown — not stated by the source
Intel Identity Protection Technology version1.001.00
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) versionDiffers1.000.00
Intel Smart Response Technology versionDiffers1.000.00
Intel Stable Image Platform Program (SIPP)Known for oneNoUnknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00Unknown — not stated by the source
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® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneYesUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® OS GuardKnown for oneYesUnknown — not stated by the source
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheYesYes
Intel® Smart Response TechnologyDiffersYesNo
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers8521475105
Processor codeKnown for oneSR23WUnknown — not stated by the source
Processor package sizeDiffers40 x 24 x 1.3 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 Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Smart Connect TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Smart Connect Technology versionKnown for oneUnknown — not stated by the source1.00
Intel® Anti-Theft Technology (Intel® AT)Known for oneUnknown — not stated by the sourceYes
Intel® High Definition Audio (Intel® HD Audio)Known for oneUnknown — not stated by the sourceYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneUnknown — not stated by the sourceNo
Intel® Small Business Advantage (Intel® SBA)Known for oneUnknown — not stated by the sourceNo
UARTKnown for oneUnknown — not stated by the sourceYes
Batteryidentical
Number of battery cells22
Battery capacity2600 mAh2600 mAh
Poweridentical
AC adapter power65 W65 W
AC adapter output current1.73 A1.73 A
AC adapter output voltage19 V19 V
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Weight & dimensionsidentical
Weight2.8 kg2.8 kg
Width415 mm415 mm
Depth272 mm272 mm
Height (front)3 cm3 cm
Height (rear)3.5 cm3.5 cm
Packaging contentidentical
AC adapter includedYesYes

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.

More laptop comparisons

All laptop comparisons