Starfield is an action role-playing game set in a vast space opera universe. Create your own character and explore a galaxy of over 100 star systems, each with its own unique planets, moons, and space stations. Choose your own path, from becoming a space explorer to a powerful warrior or merchant.
Increase the VRAM to 5GB you can learn how to do that here.
Create A 900p Resolution
Using the 900p resolution gives you a performance boost without having to drop all the way down to 720p. You can learn how to create the custom resolution here.
Make sure you have the latest AMD drivers to get the best performance, you can download them here.
Ziya at Nexus Mods created a FPS Boost custom preset for Starfield that helps improve performance and visuals. This gives hardware like the ROG Ally a much needed performance boost making the experience way better.
How To Download The Starfield Mod
Head over to Nexus Mods and create a free account here.