Game fps drop drastically like 50% while running OBS or recording with obs

[fixeer]

Recently When I play Pubg PC I get very good fps but when I run OBS in background or start recording My fps drop drastically ( Not playable around 50-60 FPS )
I wasn't getting this problem before it started from few days

ANY SOLUTION

Laptop specs
Acer predator helios neo 16
Rtx 4050
i5 13500HX
16gb ram ddr5
6gb graphics card