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Product comparison · 2 laptops

ASUS Zenbook UX31A-3517U laptop Intel® Core™ i7 i7-3517U vs ASUS Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M

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  • 141specifications compared
  • 33differ
  • 108identical
  • 12known for one product only

Key differences

  • Product colour
    • Grey, Silver
    • Aluminium, Silver
  • Display resolution
    • 1920 x 1080 pixels
    • 1600 x 900 pixels
  • Touchscreen
    • Yes
    • No
  • HD type
    • Full HD
    • HD+
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 3rd gen Intel® Core™ i7
    • 2nd gen Intel® Core™ i5
  • Processor model
    • i7-3517U
    • i5-2557M
  • Processor boost frequency
    • 3 GHz
    • 2.7 GHz

Side by side

Differences highlightedShow differences only
153 specifications
A

ASUS

Zenbook UX31A-3517U laptop Intel® Core™ i7 i7-3517U

Model UX31A-3517U

View product
B

ASUS

Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M

Model UX31E-2557M

View product
Design1 differ
Product typeLaptopLaptop
Product colourDiffersGrey, SilverAluminium, Silver
Form factorClamshellClamshell
Display3 differ
Display diagonal33.8 cm (13.3")33.8 cm (13.3")
Display resolutionDiffers1920 x 1080 pixels1600 x 900 pixels
TouchscreenDiffersYesNo
HD typeDiffersFull HDHD+
Touch technologyKnown for oneMulti-touch
LED backlightYesYes
Native aspect ratio16:916:9
Processor13 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers3rd gen Intel® Core™ i72nd gen Intel® Core™ i5
Processor modelDiffersi7-3517Ui5-2557M
Processor cores22
Processor threads44
Processor boost frequencyDiffers3 GHz2.7 GHz
Processor frequencyDiffers1.9 GHz1.7 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers4 MB3 MB
Processor cache typeDiffersSmart CacheL3
Processor socketBGA 1023BGA 1023
Processor lithographyDiffers22 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-3500 Mobile seriesIntel Core i5-2500 Mobile Series
Processor codenameDiffersIvy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingDiffersL1J1
Thermal Design Power (TDP)17 W17 W
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurations1x8, 1x16, 2x4, 2x81x8, 1x16, 2x4, 2x8
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs1917
ECC supported by processorNoNo
Memory1 differ
Internal memory4 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speedDiffers1600 MHz1333 MHz
Memory form factorOn-boardOn-board
Maximum internal memoryKnown for one4 GB
Storage2 differ
Total storage capacityDiffers256 GB128 GB
Storage mediaSSDSSD
Number of SSDs installed11
SSD capacityDiffers256 GB128 GB
SSD interfaceSATA IIISATA III
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsSDSD
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 3000
On-board graphics card base frequency350 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1150 MHz1200 MHz
On-board graphics card IDDiffers0x1660x116
Audioidentical
Speakers manufacturerBang & OlufsenBang & Olufsen
Built-in microphoneYesYes
Audio systemKnown for oneSonicMaster
Cameraidentical
Front cameraYesYes
Front camera resolution (numeric)Known for one0.3 MP
Optical driveidentical
LightScribeNoNo
Network1 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANNoNo
BluetoothYesYes
Bluetooth version4.04.0
Integrated 4G WiMAXYesYes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
Ethernet LAN (RJ-45) ports00
HDMI ports quantity00
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Micro HDMI ports quantity11
Mini VGA ports quantity11
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
Performance1 differ
Motherboard chipsetDiffersIntel HM76 ExpressIntel QS67 Express
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadNoNo
Windows keysYesYes
Softwareidentical
Operating system installedWindows 7 Home PremiumWindows 7 Home Premium
Operating system architectureKnown for one64-bit
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyDiffers22 nm32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology versionKnown for one1.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
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® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyKnown for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost Technology2.02.0
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
Processor ARK IDDiffers6571454620
Processor codeKnown for oneSR0N6
Processor package sizeDiffers31.0 x 24.0 mm31.0 x 24.0 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorDiffersYesNo
Batteryidentical
Battery technologyLithium Polymer (LiPo)Lithium Polymer (LiPo)
Number of battery cells44
Battery capacity6840 mAh6840 mAh
Poweridentical
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output voltage19 V19 V
DC-in jackYesYes
AC adapter powerKnown for one45 W
AC adapter output currentKnown for one2.37 A
Securityidentical
Cable lock slotNoNo
Weight & dimensions1 differ
Weight1.3 kg1.3 kg
Width325 mm325 mm
DepthDiffers230 mm223 mm
Height (front)3 mm3 mm
Height (rear)1.7 cm1.7 cm
Other featuresidentical
Intel segment taggingEnterpriseEnterprise
Packaging contentidentical
AC adapter includedKnown for oneYes

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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