Some games restrict high-performance settings to specific phone models.
For most modern games like Free Fire or PUBG Mobile , set this to High (4 Cores) . If you have a high-end Ryzen or Intel i9, you can push this further, but 4 cores is the "sweet spot" for stability.
No matter how much you tweak the , the emulator will run poorly if Virtualization is disabled in your PC’s BIOS. If you see a small red exclamation mark or feel immense lag, restart your computer, enter the BIOS, and ensure Intel VT-x or AMD-V is enabled.