ASUS ZenBook 14 (UX431FA) vs. ASUS Vivobook 14X (K3405ZF)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenBook 14 (UX431FA) and ASUS Vivobook 14X (K3405ZF). 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 ZenBook 14 (UX431FA) Review

Advantages and disadvantages of ASUS ZenBook 14 (UX431FA) based on its technical characteristics, features, user experience, expert reviews and price level.

compact and lightweight

harman kardon speakers

solid build quality

fast ssd storage

attractive design

average battery life

no dedicated gpu

limited port selection

dim display brightness

ASUS Vivobook 14X (K3405ZF) Review

Advantages and disadvantages of ASUS Vivobook 14X (K3405ZF) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processor

lightweight and portable

vivid oled display

fast ssd storage

competitive price point

average battery life

limited port selection

no dedicated gpu

standard design

Laptop Comparison and Tests

Difference between ASUS ZenBook 14 (UX431FA) and ASUS Vivobook 14X (K3405ZF)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
80 % - Battery

Laptop Specifications Comparison

ASUS ZenBook 14 (UX431FA) vs. ASUS Vivobook 14X (K3405ZF) Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.4 cm x 21.2 cm x 1.59 cm 31.71 cm x 22.25 cm x 1.89 cm
Weight 1.48 kg 1.4 kg
Case Material Aluminum Aluminum
Colour Utopia blue Cool silver
DISPLAY ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Screen Size (Type) 14" 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features ASUS Splendid Video Intelligence Technology, glare Glossy
PROCESSOR ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
CPU Intel Core i3 (10th Gen) 10110U / 2.1 GHz Intel Core i5 (12th Gen) 12450H / 2 GHz
Max Turbo Speed 4.1 GHz 4.4 GHz
Number of Cores Dual-Core 8-core
Cache 4 MB L3 - 12 MB
64-bit Computing Yes -
Features Intel Turbo Boost Technology 2.0 Intel Smart Cache
MEMORY ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
RAM 4 GB (provided memory is soldered) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported - 16 GB
RAM Type LPDDR3 SDRAM DDR4 SDRAM
Speed 2133 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x2 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics NVIDIA GeForce RTX 2050 / Intel UHD Graphics
Video Memory - 4 GB GDDR6 SDRAM
Camera Yes - 720p Yes - HD
Camera Features - Privacy shutter
Sound Harman/kardon quad speakers, array microphone Dual speakers, microphone
Audio Features ASUS SonicMaster Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster
COMMUNICATIONS ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Features - Single stream (1x1)
BATTERY ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Technology 2-cell Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 47 Wh 50 Wh
AC ADAPTER ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19 V, 2.37 A 90 Watt, 19 V, 4.74 A
INPUT ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Type Keyboard, touchpad, NumberPad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Chiclet keyboard 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Interfaces Headphone/microphone combo jack
USB-C 3.2 Gen 1
USB 3.2 Gen 1
HDMI
USB 2.0
HDMI 2.1
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1 (Power Delivery)
Memory Card Reader 2 in 1 (SD Card, MultiMediaCard) -
SOFTWARE ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Operating System (OS) Windows 10 Home Windows 11 Home
Software Included - MyASUS, ScreenXpert, GlideX
MISCELLANEOUS ASUS ZenBook 14 (UX431FA) ASUS Vivobook 14X (K3405ZF)
Included Accessories Power adapter Power adapter, wired mouse, Carry bag
Security Firmware Trusted Platform Module (TPM) Security Chip Firmware Trusted Platform Module (TPM) Security Chip
Features System password, hard drive password, ASUS Battery Health charging technology, ErgoLift ASUS IceCool design, MIL-STD-810H tested
Compliant Standards MIL-STD 810G RoHS, REACH
SAR Value 0.049 W/kg (limb), 0.049 W/kg (body) -
Model Number AN169T LY134W
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