Asus Zenbook 14X OLED (UX3404, 2023) vs Zenbook 14 OLED (UX3402)

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Evaluation of Asus Zenbook 14X OLED (UX3404, 2023) and Zenbook 14 OLED (UX3402) important characteristics
System and application performance
Performance in popular 3D games
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Ports, webcam and other interfaces
Design, materials, durability and usability
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Key Differences

What are the key differences between the notebooks
Advantages of the Asus Zenbook 14X OLED (UX3404, 2023)
  • Can run popular games at about 171-233% higher FPS
  • Around 53% better multi-core CPU performance in the Cinebench R23 test
  • Thinner bezels and 2% higher screen-to-body ratio
  • Display has support for touch input
Advantages of the Asus Zenbook 14 OLED (UX3402)
  • Higher screen refresh rate: 90 versus 60 Hz
  • Slightly easier to carry: weighs 170 grams less (around 0.37 lbs)
  • Features a a little bigger (~7%) battery – 75 against 70 watt-hours
  • Provides 9% higher max. screen brightness: 600 vs 550 nits

Value for money

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Tests and Specifications

Comparison table of test results and technical specs


Weight 1.56 kg (3.44 lbs) 1.39 kg (3.06 lbs)
Dimensions 321.8 x 225.6 x 16.9 mm
12.67 x 8.88 x 0.67 inches
313.6 x 220.6 x 16.9 mm
12.35 x 8.69 x 0.67 inches
Area 726 cm2 (112.5 inches2) 692 cm2 (107.3 inches2)
Screen-to-body ratio ~84% ~82.2%
Side bezels 4.8 mm 6.1 mm
Colors White, Gray Blue, Green
Material Aluminum Aluminum
Transformer No No
Opening angle 180° 180°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No No
Number of fans 1 1
Noise level (max. load) 45.5 dB -


Size 14.5 inches 14 inches
Refresh rate 60 Hz 90 Hz
PPI 234 ppi 243 ppi
Aspect ratio 16:10 16:10
Resolution 2880 x 1800 pixels 2880 x 1800 pixels
HDR support Yes, HDR10 Yes, HDR10
Sync technology No No
Touchscreen Yes No
Coating Glossy Glossy
Ambient light sensor No No
Screen space comparison
Zenbook 14X OLED (UX3404, 2023)
14.5″ (16:10 ratio) = 94.5 in2
Zenbook 14 OLED (UX3402)
14″ (16:10 ratio) = 88.1 in2
~7% more screen space
Display tests
Contrast 1000000:1 1000000:1
DCI-P3 color gamut 100% 100%
Response time 1 ms 1 ms
Max. brightness


Full charging time 2:00 hr 1:50 hr
Battery type Li-Ion Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Right Right
Charge power 90 / 100 W 65 W
Weight of AC adapter 390 / 420 grams -


CPU name
Base frequency 2.6 GHz 1.7 GHz
Turbo frequency 4.7 GHz 4.4 GHz
Cores 12 (4P + 8E) 12 (4P + 8E)
Threads 16 16
L3 Cache 18 MB 12 MB
Integrated GPU Intel Iris Xe Graphics (80EU) Intel Iris Xe Graphics (80EU)
Fabrication process 10 nm 10 nm


Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 50 W 15 W
Nvidia Optimus Yes -
Type Dedicated Integrated
Fabrication process 8 nm 10 nm
GPU base clock 1185 MHz 300 MHz
GPU boost clock 1417 MHz 1100 MHz
Memory size 4 GB System Shared
Memory type GDDR6 LPDDR5
Memory bus 128 bit -
Memory speed 12 Gbps 4.8 Gbps
Shading units (cores) 2048 640
Texture mapping units (TMUs) 64 40
Raster operations pipelines (ROPs) 40 20
GPU performance


RAM size
Channels 2x8 GB 2x4 GB
Clock 4800 MHz 4800 MHz
Upgradable No No


Storage size
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x256 GB 1x256 GB
Upgradable Yes Yes
Total slots 1 1
NVMe Yes Yes


Audio chip - Realtek ALC3288
Speakers 2.0 2.0
Power 2x2W -
Dolby Atmos Yes Yes
Loudness ~86.4 dB -
Microphones 2 2


Wi-Fi standard v6E v6E
Bluetooth v5.3 v5.3
Fingerprint No Yes
Infrared sensor Yes No
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 1920 x 1080
USB-A 1x USB 3.2 1x USB 3.2
USB Type-C 2x USB 4.0 2x USB 4.0
Thunderbolt Thunderbolt 4 Thunderbolt 4
HDMI 1x HDMI 2.1 1x HDMI 2.1
DisplayPort No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No No
SD card reader No Yes
Proprietary charging port No No


Keyboard type Island Island
Numpad No No
Backlight Yes Yes
Key travel 1.4 mm 1.4 mm
Size 13.0 x 7.6 cm 13.0 x 7.4 cm
Surface Plastic Plastic
Windows Precision Yes Yes
Further details
Notes on Zenbook 14X OLED (UX3404, 2023):
    - Includes USB-A to RJ45 gigabit ethernet adapter in the box.
*Disclaimer! Ports, speakers, display, and other specifications can vary depending on the laptop's specific configuration or region.

Cast your vote

So, which laptop would you choose?
14 (66.7%)
7 (33.3%)
Total votes: 21


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