ASUS ZenBook S UX391UA (ET053R) vs. ASUS ZenBook 14X OLED (UX3404VA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenBook S UX391UA (ET053R) and ASUS ZenBook 14X OLED (UX3404VA). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

ASUS ZenBook S UX391UA (ET053R) Review

Advantages and disadvantages of ASUS ZenBook S UX391UA (ET053R) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent processor performance

ample storage options

good graphic capabilities

average battery life

dim display brightness

limited viewing angles

no backlit keyboard

ASUS ZenBook 14X OLED (UX3404VA) Review

Advantages and disadvantages of ASUS ZenBook 14X OLED (UX3404VA) based on its technical characteristics, features, user experience, expert reviews and price level.

vibrant oled display

lightweight and portable

powerful intel processor

fast ssd storage

high-quality build

average battery life

limited port selection

no dedicated gpu

higher price point

Laptop Comparison and Tests

Difference between ASUS ZenBook S UX391UA (ET053R) and ASUS ZenBook 14X OLED (UX3404VA)
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
87 % - Design
87 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ZenBook S UX391UA (ET053R) vs. ASUS ZenBook 14X OLED (UX3404VA) Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 31.1 cm x 21.3 cm x 1.29 cm 32.18 cm x 22.56 cm x 1.69 cm
Weight 1 kg 1.56 kg
Case Material - Aluminum
Colour Deep dive blue Inkwell grey
DISPLAY ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Screen Size (Type) 13.3" 14.5" OLED
Touchscreen - Yes
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1800 (2.8K)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 550 cd/m²
Colour Gamut 72% NTSC 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare, 178° horizontal and vertical viewing angle Glossy, Corning Gorilla glass, HDR (high dynamic range), Pantone Validated, VESA DisplayHDR 500, 89% screen-to-body ratio, 0.2 ms response rate, True Black
PROCESSOR ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
CPU Intel Core i7 (8th Gen) 8550U / 1.8 GHz Intel Core i9 (13th Gen) 13900H / 2.6 GHz
Max Turbo Speed 4 GHz 5.4 GHz
Number of Cores Quad-Core 14-core
Cache - L3 - 24 MB
64-bit Computing Yes -
Platform Technology - Intel Evo
Features - Intel Smart Cache
MEMORY ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
RAM 16 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported - 32 GB
RAM Type LPDDR3 SDRAM DDR5 SDRAM
Speed 2133 MHz 4800 MHz
Rated Speed 2133 MHz 4800 MHz
Form Factor - SO-DIMM 262-pin
Slots Qty - 1
Empty Slots - 1
STORAGE ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel Iris Xe Graphics
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - HD Yes - 1080p
Camera Features - IR camera, Windows Hello
Sound Harman/kardon stereo speakers, array microphone Harman/kardon stereo speakers, array microphone
Compliant Standards - Dolby Atmos
Audio Features ASUS SonicMaster Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Features - Dual stream (2x2)
BATTERY ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Technology 4-cell 3-cell Lithium Ion
Battery Capacity (Size) 50 Wh 70 Wh
Battery Life Up to 13.5 hours -
AC ADAPTER ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 20 V 90 Watt, 20 V, 4.5 A
INPUT ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Type Keyboard, touchpad Keyboard, NumberPad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Chiclet keyboard 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Interfaces 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)
Headphone/microphone combo jack
HDMI 2.1
USB 3.2 Gen 2
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
SOFTWARE ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 11 Home
Software Included - McAfee LiveSafe, MyASUS, ScreenXpert, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX
MISCELLANEOUS ASUS ZenBook S UX391UA (ET053R) ASUS ZenBook 14X OLED (UX3404VA)
Included Accessories USB-C power adapter Power adapter
Security Fingerprint reader Trusted Platform Module (TPM 2.0) Security Chip
Features - ASUS IceCool design, MIL-STD-810H tested, compatible with stylus, Cortana support
Compliant Standards - RoHS, REACH, TUV Rheinland Low Blue Light Certification, SGS Eye Care Display Certification
Max Operating Temperature - 49 °C
Min Operating Temperature - -37 °C
Humidity Range Operating - 95% RH
Model Number - M3099W
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