FPS dropped in the recording, but it was smooth in real time. Don’t pay attention to it

Phone specs:
Cpu - MediaTek Dimensity 700
Gpu - Mali-G57

Redmi Note 10 5G

Gpu: GTX 1080 TI

1080p

GPU load: +- 40%
FPS: 550+

I expected there to be a lot of FPS, but not this much