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Product comparison · 2 laptops

ASUS Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M vs ASUS Zenbook UX31LA-UH51T laptop Intel® Core™ i5 i5-4200U

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  • 131specifications compared
  • 45differ
  • 86identical
  • 36known for one product only

Key differences

  • Product colour
    • Aluminium, Silver
    • Grey, Silver
  • Display resolution
    • 1600 x 900 pixels
    • 1920 x 1080 pixels
  • HD type
    • HD+
    • Full HD
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 4th gen Intel® Core™ i5
  • Processor model
    • i5-2557M
    • i5-4200U
  • Processor boost frequency
    • 2.7 GHz
    • 2.6 GHz
  • Processor frequency
    • 1.7 GHz
    • 1.6 GHz
  • Processor cache type
    • L3
    • Smart Cache

Side by side

Differences highlightedShow differences only
167 specifications
A

ASUS

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

Model UX31E-2557M

View product
B

ASUS

Zenbook UX31LA-UH51T laptop Intel® Core™ i5 i5-4200U

Model UX31LA-UH51T

View product
Design1 differ
Product colourDiffersAluminium, SilverGrey, Silver
Display2 differ
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
HD typeDiffersHD+Full HD
TouchscreenKnown for oneNo
Processor14 differ
Processor generationDiffers2nd gen Intel® Core™ i54th gen Intel® Core™ i5
Processor modelDiffersi5-2557Mi5-4200U
Processor boost frequencyDiffers2.7 GHz2.6 GHz
Processor frequencyDiffers1.7 GHz1.6 GHz
Processor cache typeDiffersL3Smart Cache
Processor socketDiffersBGA 1023BGA 1168
Processor lithographyDiffers32 nm22 nm
Processor seriesDiffersIntel Core i5-2500 Mobile SeriesIntel Core i5-4200 Mobile series
Processor codenameDiffersSandy BridgeHaswell
Bus typeDiffersDMIDMI2
SteppingDiffersJ1C0
Thermal Design Power (TDP)Differs17 W15 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x4, 2x4
System bus rateKnown for one5 GT/s
CPU multiplier (bus/core ratio)Known for one17
Memory3 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDiffersDDR3-SDRAMDDR3L-SDRAM
Memory clock speedDiffers1333 MHz1600 MHz
Maximum internal memoryKnown for one8 GB
Storage1 differ
Compatible memory cardsDiffersSDMemory Stick (MS), MMC, MS Duo, MS PRO, SDHC, SDXC
Optical drive typeKnown for oneNo
Graphics4 differ
On-board graphics card modelDiffersIntel® HD Graphics 3000Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one1.74 GB
On-board graphics card base frequencyDiffers350 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz1000 MHz
On-board graphics card DirectX versionKnown for one12
On-board graphics card IDDiffers0x1160xA16
Audioidentical
Audio systemKnown for oneSonicMaster
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Integrated 4G WiMAXKnown for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
Mini DisplayPorts quantityKnown for one1
DVI portDiffersNoYes
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Mini VGA ports quantityKnown for one1
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 8
Operating system architectureKnown for one64-bit
Processor special features12 differ
Intel Dual Display Capable TechnologyDiffersYesNo
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Secure Key Technology versionKnown for one1.00
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® Secure KeyKnown for oneYes
Intel® Virtualization Technology (Intel® VT)DiffersVT-d, VT-xVT-x
Processor ARK IDDiffers5462075459
Processor codeKnown for oneSR170
Processor package sizeDiffers31.0 x 24.0 (BGA1023)40 x 24 x 1.5 mm
Supported instruction setsDiffersAVXAVX 2.0
Conflict-Free processorDiffersNoYes
Graphics & IMC lithographyKnown for one32 nm
Battery1 differ
Number of battery cellsDiffers46
Battery capacityKnown for one6840 mAh
Poweridentical
AC adapter output currentKnown for one2.37 A
Securityidentical
Password protectionKnown for oneYes
Password protection typeKnown for oneBIOS, HDD, User
Certificatesidentical
CertificationKnown for oneUL, MIC, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EU Flower, Energy star, IDA
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions2 differ
DepthDiffers223 mm226 mm
Height (rear)Differs1.7 cm1.8 cm
WeightKnown for one1.3 kg
Optical driveidentical
LightScribeKnown for oneNo
Performanceidentical
Motherboard chipsetKnown for oneIntel QS67 Express
Packaging contentidentical
AC adapter includedKnown for oneYes

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