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Product comparison · 2 laptops

ASUS Zenbook S UX391UA-EG007R Intel® Core™ i7 i7-8550U Laptop vs ASUS Vivobook 15 X540UA-GQ675T laptop Intel® Core™ i5 i5-8250U 39.6 cm (15.6") 8 GB DDR4-SDRAM 256 GB SSD Windows 10 Pro Black

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  • 115specifications compared
  • 30differ
  • 85identical
  • 31known for one product only

Key differences

  • Product colour
    • Blue
    • Black
  • Display diagonal
    • 33.8 cm (13.3")
    • 39.6 cm (15.6")
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 8th gen Intel® Core™ i7
    • 8th gen Intel® Core™ i5
  • Processor model
    • i7-8550U
    • i5-8250U
  • Processor boost frequency
    • 4 GHz
    • 3.4 GHz
  • Processor frequency
    • 1.8 GHz
    • 1.6 GHz
  • Processor cache
    • 8 MB
    • 6 MB

Side by side

Differences highlightedShow differences only
146 specifications
A

ASUS

Zenbook S UX391UA-EG007R Intel® Core™ i7 i7-8550U Laptop

Model UX391UA-EG007R

View product
B

ASUS

Vivobook 15 X540UA-GQ675T laptop Intel® Core™ i5 i5-8250U 39.6 cm (15.6") 8 GB DDR4-SDRAM 256 GB SSD Windows 10 Pro Black

Model X540UA-GQ675T

View product
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlueBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers33.8 cm (13.3")39.6 cm (15.6")
TouchscreenKnown for oneNo
LED backlightYesYes
Display resolutionKnown for one1920 x 1080 pixels
HD typeKnown for oneFull HD
Native aspect ratioKnown for one16:9
Processor7 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers8th gen Intel® Core™ i78th gen Intel® Core™ i5
Processor modelDiffersi7-8550Ui5-8250U
Processor cores44
Processor threads88
Processor boost frequencyDiffers4 GHz3.4 GHz
Processor frequencyDiffers1.8 GHz1.6 GHz
System bus rate4 GT/s4 GT/s
Processor cacheDiffers8 MB6 MB
Processor cache typeKnown for oneSmart Cache
Processor socketBGA 1356BGA 1356
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor codenameKaby Lake RKaby Lake R
Bus typeOPIOPI
SteppingY0Y0
Thermal Design Power (TDP)15 W15 W
Configurable TDP-up frequencyDiffers2 GHz1.8 GHz
Configurable TDP-up25 W25 W
Configurable TDP-down10 W10 W
Configurable TDP-down frequency0.8 GHz0.8 GHz
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1212
PCI Express configurations1x2+2x1, 1x4, 2x2, 4x11x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version3.03.0
ECC supported by processorNoNo
Memory3 differ
Internal memoryDiffers16 GB8 GB
Internal memory typeDiffersLPDDR3-SDRAMDDR4-SDRAM
Maximum internal memoryDiffers16 GB12 GB
Memory clock speedKnown for one2133 MHz
Memory form factorKnown for oneOn-board
Storage2 differ
Total storage capacityDiffers512 GB256 GB
Storage mediaSSDSSD
Number of SSDs installed11
SSD capacityDiffers512 GB256 GB
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneSD
Optical drive typeKnown for oneNo
Graphics1 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® UHD GraphicsIntel® UHD Graphics
On-board graphics card modelIntel® UHD Graphics 620Intel® UHD Graphics 620
Maximum on-board graphics card memory32 GB32 GB
On-board graphics card base frequency300 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1150 MHz1100 MHz
On-board graphics card DirectX version12.012.0
On-board graphics card OpenGL version4.44.4
On-board graphics card ID0x59170x5917
Audioidentical
Audio systemSonicMasterSonicMaster
Number of built-in speakers22
Speaker powerKnown for one2 W
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Network1 differ
Wi-FiYesYes
Ethernet LANNoNo
BluetoothYesYes
Bluetooth versionDiffers4.24.0
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Wi-Fi standardsKnown for one802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers02
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers20
HDMI ports quantityDiffers01
DisplayPorts quantity00
VGA (D-Sub) ports quantityKnown for one0
Thunderbolt 3 ports quantity00
Combo headphone/mic portYesYes
ExpressCard slotNoNo
Performanceidentical
Repairability indexKnown for one6.5
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersNoYes
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Softwareidentical
Operating system installedWindows 10 ProWindows 10 Pro
Operating system architectureKnown for one64-bit
Processor special features1 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Secure Key Technology version1.001.00
Intel Smart Response Technology version1.001.00
Intel Software Guard Extensions (Intel SGX)YesYes
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00
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)YesYes
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)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers122589124967
Processor codeKnown for oneSR3LA
Processor package size42 x 24 mm42 x 24 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Battery2 differ
Number of battery cellsDiffers43
Battery capacityDiffers50 Wh33 Wh
Battery technologyKnown for oneLithium Polymer (LiPo)
Battery life (max)Known for one13.5 h
Power2 differ
AC adapter powerDiffers65 W45 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentKnown for one2.37 A
AC adapter output voltageDiffers20 V19 V
DC-in jackKnown for oneYes
Securityidentical
Cable lock slotKnown for oneYes
Password protectionKnown for oneYes
Weight & dimensions3 differ
WeightKnown for one1.9 kg
WidthDiffers311 mm381 mm
DepthDiffers213 mm251 mm
HeightDiffers12.9 mm27.2 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
ManualKnown for oneYes
Warranty cardKnown for oneYes

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