Asus ZenBook 14X OLED (UX5400, Intel) vs Vivobook S14X OLED (S5402)

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Display 2880 x 1800


Evaluation of Asus ZenBook 14X OLED (UX5400, Intel) and Vivobook S14X OLED (S5402) 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

Key Differences

What are the key differences between the notebooks
Advantages of the Asus ZenBook 14X OLED (UX5400, Intel)
  • Easier to carry: weighs 230 grams less (around 0.51 lbs)
  • Can run popular games at about 55-75% higher FPS
  • Thinner bezels and 11% higher screen-to-body ratio
  • Display has support for touch input
  • Smaller footprint: 11% more compact case (102.3 vs 115.3 square inches)
Advantages of the Asus Vivobook S14X OLED (S5402)
  • Higher screen refresh rate: 120 versus 60 Hz
  • Around 2.5x better multi-core CPU performance in the Cinebench R23 test
  • Includes an old-school USB-A port
  • Features a bigger (~11%) battery – 70 against 63 watt-hours
  • User-upgradable RAM (up to 12GB)
  • High-speed PCI Express Gen 4 interface
  • Provides 38% higher max. screen brightness: 550 vs 400 nits
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Tests and Specifications

Comparison table of test results and technical specs


Weight 1.4 kg (3.09 lbs) 1.63 kg (3.59 lbs)
Dimensions 311.2 x 212.2 x 16.9 mm
12.25 x 8.35 x 0.67 inches
322.3 x 230.9 x 17.9 mm
12.69 x 9.09 x 0.7 inches
Area 660 cm2 (102.3 inches2) 744 cm2 (115.4 inches2)
Screen-to-body ratio ~86.1% ~77.9%
Side bezels 4.8 mm 0.7 mm
Colors Gray, Purple Black, Silver, Gray
Transformer No No
Opening angle - 180°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans 2 1
Noise level 38 dB 52.8 dB


Size 14 inches 14.5 inches
Refresh rate 60 Hz 120 Hz
PPI 243 ppi 234 ppi
Aspect ratio 16:10 16:9
Resolution 2880 x 1800 pixels 2880 x 1800 pixels
HDR support Yes, HDR10 Yes, HDR10
Touchscreen Yes No
Coating Glossy Matte
Display tests
Contrast - 1000000:1
sRGB color space 100% 100%
Adobe RGB profile - 95.5%
DCI-P3 color gamut 100% 99.9%
Response time - 1 ms
Max. brightness


Full charging time - 1:30 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 100 W 90 W
Weigh of AC adapter 407 gramm 411 gramm


CPU name
Base frequency 0.9-2.4 GHz 2.5 GHz
Turbo frequency 4.2 GHz 4.5 GHz
Cores 4 12
Threads 8 16
L3 Cache 8 MB 18 MB
Integrated GPU Iris Xe Graphics G7 80EU Intel Iris Xe Graphics (80EU)
Fabrication process 10 nm 10 nm


Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 35 W 15 W
Type Dedicated Integrated
Fabrication process 12 nm 10 nm
GPU base clock - 300 MHz
GPU boost clock - 1100 MHz
Memory size 2 GB System Shared
Memory type GDDR6 DDR4
Memory bus 64 bit -
Memory speed ~8-10 Gbps 3.2 Gbps
Shading units (cores) 896 640
Texture mapping units (TMUs) 56 40
Raster operations pipelines (ROPs) 32 20
GPU performance


RAM size
Channels 2x4 GB 1x4 GB
Clock 4266 MHz 3200 MHz
Upgradable No Yes
Total slots - 1
Max. ram size - 12 GB


Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 4.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x512 GB 1x256 GB
Upgradable Yes Yes
Total slots 1 1
NVMe Yes Yes


Speakers 2.0 2.0
Dolby Atmos No No
Loudness 76.6 dB 77.7 dB
Microphones 2 2


Wi-Fi standard v6 v6E
Bluetooth v5 v5.2
Fingerprint Yes Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1280 x 720 1280 x 720
USB-A 1x USB 3.2 2x USB 3.2
USB Type-C 2x USB 4.0 2x USB 3.2
Thunderbolt Thunderbolt 4 Thunderbolt 3.2
HDMI 1x HDMI 2.0 1x HDMI 2.0
DisplayPort No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No No
SD card reader Yes No
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 7.5 cm
Surface - Plastic
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

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