ASUS Zenbook DUO (UX8406) review – Dual OLED Multitasking Masterpiece for Creators
Performance: CPU, GPU, Gaming Tests
All benchmarks and tests were conducted with the “Performance mode” fan profile activated in the MyASUS app. Also, the “Best Performance” preset is applied in the Windows “Power & Battery” menu. The “Memory Allocated to GPU” option is set to “Automatic”.
CPU options
This notebook can be found with the Intel Core Ultra 5 125H, Intel Core Ultra 7 155H, or Intel Core Ultra 9 185H.
Here, we evaluate the CPU's performance using a real-world 3D rendering task, assessing its ability to handle complex computations and rendering workloads efficiently.
Results are from the Cinebench 2024 Multi-Core test (higher is better)
GPU options
You can rely on Intel Arc (7-Cores) or Arc (8-Cores) depending on the processor under the hood.
The results are from 3DMark Time Spy (Graphics). Higher is better.
Results are from 3DMark Fire Strike (Graphics) benchmark (higher the score, the better)
Results are from the Unigine Superposition benchmark (higher the score, the better)
ASUS Zenbook DUO (UX8406) GPU variants
Here you can see an approximate comparison between the GPUs that can be found in the ASUS Zenbook DUO (UX8406) models on the market. This way you can decide for yourself which ASUS Zenbook DUO (UX8406) model is the best bang for your buck.
Note: The chart shows the cheapest different GPU configurations so you should check what the other specifications of these laptops are by clicking on the laptop’s name / GPU.
The results are from 3DMark Time Spy (Graphics). Higher is better.
Results are from the 3DMark: Fire Strike (Graphics) benchmark (higher the score, the better)
Results are from the 3DMark: Wild Life (Graphics) benchmark (higher the score, the better)
Results are from the Unigine Superposition benchmark (higher the score, the better)
Gaming tests


| CS:GO | HD 1080p, Low (Check settings) | HD 1080p, Medium (Check settings) | HD 1080p, MAX (Check settings) |
|---|---|---|---|
| Average FPS | 308 fps | 201 fps | 99 fps |

| DOTA 2 | HD 1080p, Low (Check settings) | HD 1080p, Normal (Check settings) | HD 1080p, High (Check settings) |
|---|---|---|---|
| Average FPS | 180 fps | 137 fps | 90 fps |
The Intel Arc (8-Cores) is pretty fast for an iGPU. It looks like it can allocate up to 16GB of system memory (at least in our case, with a 32GB RAM configuration).













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I am planning to upgrade SSD. Is it possible to replace that SSD with a double-sided m2 ssd such as 4TB?
Yes it is possible thanks to the SSD slot (storage module is not solderen on MB).
I have a fan that it gone bad, what model should I be looking for replacing it?