Asus Zenbook Pro 14 OLED (UX6404) vs Vivobook Pro 15 OLED (K6500)

Please select specific configurations for the laptops to get a more accurate comparative review
CPU Intel Core i9 13900H


Evaluation of Asus Zenbook Pro 14 OLED (UX6404) and Vivobook Pro 15 OLED (K6500) 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
You can adjust the importance of each feature to more precisely determine which laptop better suits your personal needs.
Adjust priorities
Priority (Weight)
Performance (Apps):
Gaming (3D):
Battery and Portability:
The higher the priority, the more it will affect the final NanoReview score.

Key Differences

What are the key differences between the notebooks
Advantages of the Asus Zenbook Pro 14 OLED (UX6404)
  • Higher screen refresh rate: 120 versus 60 Hz
  • Can run popular games at about 278-379% higher FPS
  • Easier to carry: weighs 200 grams less (around 0.44 lbs)
  • Higher number of cutting-edge USB Type-C ports: 2 versus 1
  • Around 83% better multi-core CPU performance in the Cinebench R23 test
  • Thinner bezels and 7% higher screen-to-body ratio
  • Features a a little bigger (~9%) battery – 76 against 70 watt-hours
  • User-upgradable RAM (up to 48GB)
  • 66% sharper screen – 234 versus 141 pixels per inch (PPI)
  • Much smaller footprint: 15% more compact case (111.4 vs 130.7 square inches)
Advantages of the Asus Vivobook Pro 15 OLED (K6500)
  • Includes an old-school USB-A port
  • Provides 9% higher max. screen brightness: 600 vs 550 nits

Value for money

Please input the prices of the laptops (with selected configurations) and press the "Calculate" button to determine which one offers better value for money.

Tests and Specifications

Comparison table of test results and technical specs


Weight 1.6 kg (3.53 lbs) 1.8 kg (3.97 lbs)
Dimensions 321.8 x 223.3 x 17.9 mm
12.67 x 8.79 x 0.7 inches
359.8 x 234.3 x 18.9-19.9 mm
14.17 x 9.22 x 0.74-0.78 inches
Area 719 cm2 (111.4 inches2) 843 cm2 (130.6 inches2)
Screen-to-body ratio ~84.8% ~79.6%
Side bezels 4.8 mm 7.2 mm
Colors Black Silver, Blue
Material Aluminum Top: Aluminum
Middle: Plastic
Bottom: Plastic
Transformer No No
Opening angle 135° 180°
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Liquid metal No No
Number of fans 2 2
Noise level (max. load) 48.8 dB -


Size 14.5 inches 15.6 inches
Refresh rate 120 Hz 60 Hz
PPI 234 ppi 141 ppi
Aspect ratio 16:10 16:9
Resolution 2880 x 1800 pixels 1920 x 1080 pixels
HDR support Yes, Dolby Vision Yes, HDR10
Sync technology G-Sync No
Touchscreen No No
Coating Glossy Glossy
Ambient light sensor No No
Screen space comparison
Vivobook Pro 15 OLED (K6500)
15.6″ (16:9 ratio) = 104 in2
Zenbook Pro 14 OLED (UX6404)
14.5″ (16:10 ratio) = 94.5 in2
~10% more screen space
Display tests
Contrast 1000000:1 1000000:1
sRGB color space 100% 100%
DCI-P3 color gamut 100% -
Response time 1 ms 1 ms
Max. brightness


Full charging time 1:45 hr -
Battery type Li-Ion Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Left, Right Right
Charge power 200 W 150 W
Weight of AC adapter 556 grams -


CPU name
Base frequency 2.6 GHz 2 GHz
Turbo frequency 5.4 GHz 4.4 GHz
Cores 14 (6P + 8E) 8 (4P + 4E)
Threads 20 12
L3 Cache 24 MB 12 MB
Integrated GPU Intel Iris Xe Graphics (96 EU) Intel UHD Graphics (48EU)
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 90 W -
Nvidia Optimus MUX MUX
Type Dedicated Dedicated
Fabrication process 4 nm 12 nm
GPU base clock - 990 MHz
GPU boost clock - 1155 MHz
Memory size 8 GB 4 GB
Memory type GDDR6 GDDR6
Memory bus 128 bit 128 bit
Memory speed ~16 Gbps ~10 Gbps
Shading units (cores) 3072 1024
Texture mapping units (TMUs) 96 64
Raster operations pipelines (ROPs) 32 32
GPU performance


RAM size
Channels 1x8 GB 2x4 GB
Clock 4800 MHz 4800 MHz
Upgradable Yes No
Total slots 1 -
Max. ram size 48 GB -


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 2
NVMe Yes Yes


Speakers 2.0 2.0
Power - 2x2W
Dolby Atmos Yes Yes
Loudness ~78.9 dB -
Microphones 2 2


Wi-Fi standard v6E v6E
Bluetooth v5.3 v5
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 3x USB 3.2
USB Type-C 2x USB 3.2 1x USB 3.2
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 Yes Yes
Proprietary charging port Yes Yes


Keyboard type Island Island
Numpad No Yes
Backlight Yes Yes
Key travel 1.4 mm 1.4 mm
Surface Glass Plastic
Windows Precision Yes Yes
*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?
0 (0%)
0 (0%)
Total votes: < 1


Write your opinion about the comparison of Asus Vivobook Pro 15 OLED (K6500) and Zenbook Pro 14 OLED (UX6404) or ask any questions