That is kinda normal (For now), sometimes I have fps drops and stutters even when it says I have high fps, specifically the deserts and especially the cutscenes. Also the game is a bit AMD optimized, so it "might" give you a little bit less fps with a Nvidia card. So what you are experiencing is just some bad coding I guess until they patch it up, whenever that is I don't know, the game is very very good, but if it runs pretty close to perfect, I would rate it 11 out of 10. If you haven't tried the "How to fix 30 fps lock" from Google, maybe look into that and it'll run slightly better. As of right now, I would still rate it 9.9 out of 10 rating just because how much fun it is and how long it takes do everything, I'm at 200 hrs and...