Updated: CryoByte33 released a new performance utility tool here.
Developer CryoByte33 gives a breakdown and guide on how to get more performance on the Steam Deck using a swap script he created and by expanding the VRAM in the Steam Deck boot settings. He also has videos benchmarking the performance gains using this method on games such as Red Dead Redemption 2, GTA V and Cyberpunk 2077. You can watch those videos below.
