Once Performance Mode is active, fine-tune these sub-settings:

Go to the "Game" tab in settings and turn off all Record Replays options. Constant recording adds a hidden tax to your CPU [5].

Keep this at 100% if possible. Dropping it below 90% makes the game look blurry, though it does increase FPS [5].

In the Epic Games Launcher, click the three dots next to Fortnite > Manage > Verify . This fixes corrupted files that might cause stutters [2].

New Method To BOOST FPS in Fortnite Chapter 3! ...