ASUS VivoBook S15 (S531FA) vs. ASUS VivoBook S14 (S431FA)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS VivoBook S15 (S531FA) and ASUS VivoBook S14 (S431FA). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

ASUS VivoBook S15 (S531FA) Review

Advantages and disadvantages of ASUS VivoBook S15 (S531FA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

large screen size

decent battery life

ample storage capacity

includes essential ports

mediocre display quality

heavy build

average processor

limited graphics performance

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

Laptop Comparison and Tests

Difference between ASUS VivoBook S15 (S531FA) and ASUS VivoBook S14 (S431FA)
82 % - Design
72 % - Display
72 % - Performance
78 % - Connectivity
74 % - Battery
85 % - Design
75 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS VivoBook S15 (S531FA) vs. ASUS VivoBook S14 (S431FA) Comparison Chart
DESIGN AND DIMENSIONS ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.72 cm x 23.03 cm x 1.8 cm 32.33 cm x 21.37 cm x 1.8 cm
Weight 1.8 kg 1.4 kg
Colour Gun metal Transparent silver
DISPLAY ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Screen Size (Type) 15.6" 14"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut - 72% NTSC
Features Anti-glare, 178° horizontal and vertical viewing angle, NanoEdge display Anti-glare, NanoEdge display, 178° viewing angle
PROCESSOR ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
CPU Intel Core i5 (8th Gen) 8265U / 1.6 GHz Intel Core i5 (8th Gen) 8265U / 1.6 GHz
Max Turbo Speed 3.9 GHz 3.9 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 S15 (S531FA) ASUS VivoBook S14 (S431FA)
RAM 8 GB 8 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR3 SDRAM
Speed 2400 MHz 2133 MHz
Rated Speed 2400 MHz -
STORAGE ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel UHD Graphics 620
Camera Yes - HD Yes - HD
Camera Features IR camera IR camera
Sound Harman/kardon stereo speakers, array microphone Harman/kardon stereo speakers, array microphone
Audio Features ASUS SonicMaster, Smart Amplification technology ASUS SonicMaster
COMMUNICATIONS ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac, Bluetooth 4.2
BATTERY ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Technology 3-cell 2-cell lithium polymer
Battery Capacity (Size) 42 Wh 47 Wh
AC ADAPTER ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 45 Watt, 19 V, 2.47 A 45 Watt, 19 V, 2.47 A
INPUT ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Type Keyboard, touchpad Keyboard, NumberPad
Keyboard Backlight Yes Yes
CONNECTIONS & EXPANSIONS ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Interfaces HDMI
2 x USB 2.0
USB 3.1 Gen 1
Headphone/microphone combo jack
USB-C 3.1 Gen 1
Headphone/microphone combo jack
USB 3.1 Gen 1
USB 2.0
USB-C 3.1 Gen 2
HDMI
Memory Card Reader Yes (microSD) Yes (SD Card)
SOFTWARE ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Operating System (OS) Windows 10 Home Windows 10 Home 64-bit Edition
MISCELLANEOUS ASUS VivoBook S15 (S531FA) ASUS VivoBook S14 (S431FA)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM) Security Chip
Features ErgoLift System password, ErgoLift
SAR Value 0.584 W/kg (body), 0.584 W/kg (limb) 0.6 W/kg (body), 0.6 W/kg (limb)
Model Number EJ037T AM016T
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