SteamOS on ROG Ally X20 tested: up to 8 hours of battery life

YouTuber ETA Prime installed SteamOS on the ASUS ROG Ally X20, a special-edition handheld with a 7.4-inch 120Hz OLED display, Ryzen AI Z2 Extreme APU and 24GB of RAM. Cyberpunk 2077 and Red Dead Redemption 2 run at low-to-medium settings, while the 80Wh battery lasts about 8 hours in indie games and roughly 2 hours in AAA titles at 25W TDP.

• Battery: ~8h in indie games at 6–8W, ~3h at 17W, ~2h20m in AAA at 25W
• RGB lighting and quick menu button unsupported; audio needs manual configuration
• TDP controlled via the third-party Simple Decky plugin
• 7.4-inch 120Hz OLED Nebula screen; Ryzen AI Z2 Extreme APU, 24GB RAM