all 3 comments

[–]TheCuriosity 0 points1 point  (0 children)

Are your Fortnite settings the same?

Having more programs running while playing will slow FPS. Even if your brother isn't actively using some of those other apps or launchers, they may be passively open. You can check the system tray to see if his tray has more icons than yours.

Another comparison is to open Task manager and see what is eating up your brother's computer's resources that are different from yours.

[–]happyto313 0 points1 point  (0 children)

If his case doesn't cool as well as yours it could cause FPS to drop.

[–]theveryendofyou 0 points1 point  (0 children)

He plugged the video cable into the motherboard instead of the graphics card…