ASUS VivoBook S14 (S431FA) vs. ASUS ZenBook S UX391UA (ET082T)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS VivoBook S14 (S431FA) and ASUS ZenBook S UX391UA (ET082T). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

ASUS VivoBook S14 (S431FA) Review

Advantages and disadvantages of ASUS VivoBook S14 (S431FA) based on its technical characteristics, features, user experience, expert reviews and price level.

compact lightweight design

vivid full hd display

fast ssd storage

efficient intel processor

reasonable price point

average battery life

no dedicated gpu

limited port selection

mediocre sound quality

ASUS ZenBook S UX391UA (ET082T) Review

Advantages and disadvantages of ASUS ZenBook S UX391UA (ET082T) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent processor performance

ample storage options

lightweight design

average battery life

mediocre display quality

limited graphics capability

no backlit keyboard

Laptop Comparison and Tests

Difference between ASUS VivoBook S14 (S431FA) and ASUS ZenBook S UX391UA (ET082T)
85 % - Design
75 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery
86 % - Design
83 % - Display
84 % - Performance
72 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS VivoBook S14 (S431FA) vs. ASUS ZenBook S UX391UA (ET082T) Comparison Chart
DESIGN AND DIMENSIONS ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.33 cm x 21.37 cm x 1.8 cm 31.1 cm x 21.3 cm x 1.29 cm
Weight 1.4 kg 1.05 kg
Colour Transparent silver Burgundy red
DISPLAY ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Screen Size (Type) 14" 13.3"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 72% NTSC 72% NTSC
Features Anti-glare, NanoEdge display, 178° viewing angle Glare, ASUS EyeCare Technology, 178° horizontal and vertical viewing angle
PROCESSOR ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
CPU Intel Core i5 (8th Gen) 8265U / 1.6 GHz Intel Core i5 (8th Gen) 8250U / 1.6 GHz
Max Turbo Speed 3.9 GHz 3.4 GHz
Number of Cores Quad-Core Quad-Core
Cache - 6 MB
64-bit Computing Yes Yes
Features Intel Turbo Boost Technology 2.0 Intel Turbo Boost Technology 2.0
MEMORY ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type LPDDR3 SDRAM LPDDR3 SDRAM
Speed 2133 MHz 2133 MHz
Rated Speed - 2133 MHz
STORAGE ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 SATA 6Gb/s
AUDIO & VIDEO ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel UHD Graphics 620
Camera Yes - HD Yes - HD
Camera Features IR camera -
Sound Harman/kardon stereo speakers, array microphone Harman/kardon stereo speakers, array microphone
Audio Features ASUS SonicMaster ASUS SonicMaster
COMMUNICATIONS ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 4.2
BATTERY ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Technology 2-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 47 Wh 50 Wh
Battery Life - Up to 13.5 hours
AC ADAPTER ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 45 Watt, 19 V, 2.47 A 65 Watt, 19 V, 3.42 A
INPUT ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Type Keyboard, NumberPad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features - Windows Hello
CONNECTIONS & EXPANSIONS ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Interfaces Headphone/microphone combo jack
USB 3.1 Gen 1
USB 2.0
USB-C 3.1 Gen 2
HDMI
Headphone/microphone combo jack
USB-C 3.1 Gen 1 (Power Delivery/data/video)
2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) (Power Delivery/data/video)
HDMI (on expansion base)
USB-C (on expansion base)
USB 3.0 (on expansion base)
Memory Card Reader Yes (SD Card) -
SOFTWARE ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 10 Home 64-bit Edition
MISCELLANEOUS ASUS VivoBook S14 (S431FA) ASUS ZenBook S UX391UA (ET082T)
Included Accessories Power adapter Sleeve, mini dock, USB-C power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader
Features System password, ErgoLift -
SAR Value 0.6 W/kg (body), 0.6 W/kg (limb) -
Model Number AM016T -
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