YouTuber Installs SteamOS on Asus ROG Ally X20
Testing shows the handheld console maintains strong performance and battery life after replacing the default Windows OS.
Updated on Oct. 23, 2026 in Gaming
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YouTuber ETA Prime has successfully installed SteamOS onto the Asus ROG Ally X20, a handheld console that originally ships with Windows 11. Testing reveals that the device achieves performance levels comparable to its native operating system across several major gaming titles.
Why it matters
Many gamers prefer SteamOS over Windows for its streamlined interface and optimized performance in a portable format. This experiment demonstrates the feasibility of running the Linux-based operating system on high-end third-party hardware.
The Asus ROG Ally X20 features an OLED display and supports high frame rates, with The Witcher 3 Remastered hitting over 60 FPS at a 30 W TDP. For AAA gaming, the device runs for 3 hours at 17 W and 2 hours and 20 minutes at 25 W.
The players
ETA Prime
A popular technology creator known for reviewing handheld gaming consoles and testing performance metrics.
Asus
A multinational hardware and electronics company that manufactures the ROG Ally line of portable gaming consoles.
The details
ETA Prime conducted testing by measuring frame rates and battery discharge rates at various TDP settings. Games like Forza Horizon 6 and Red Dead Redemption 2 maintained frame rates above 50 FPS at 1080p resolution using medium graphics settings and a 28 W TDP.
Timeline
October 23, 2026: The testing results were published.
Culture Shift
This modification bridges the software experience gap between third-party handhelds and the Steam Deck. It highlights a growing consumer preference for dedicated gaming-centric operating systems over general-purpose PC platforms on portable devices.
Users interested in this modification should note that installing SteamOS may impact device warranties or require technical troubleshooting. The performance gains for specific titles may vary based on chosen TDP settings and graphical presets.
The takeaway
Using SteamOS can provide a more unified gaming experience for enthusiasts who prioritize performance over Windows utility. Always back up existing system data before attempting to reformat your handheld hardware.
Further reading
For more information on portable hardware modifications, visit the Gaming section.
Live Poll
Would you prefer the option to install different operating systems on your handheld gaming console?
