At Fortnite I set performance mode, and before that to quality, before that I only managed 144 FPS, now I can manage 240 FPs, why is it?

At Fortnite I set performance mode, and before that to quality, before that I only managed 144 FPS, now I can manage 240 FPs, why is it?!

Just have a look at the words in the duden

that should be enough explanation for you.

and turn off supervised thinking.

Please what?

He asked a question and you come to him with a dictionary?

In fact, a dictionary provides the answer to this question

And how does he do that?

Look for what performance and quality is.

HOW CAN I GET MORE PERFORMANCE IN PERFORMANCE MODE (performance, see Duden) ?!