When making a new save file, the game's camera pans smoothly. However, after exploring more of the map on one of my saves, the game suddenly started stuttering. The game is running at 60 fps, but there's a stutter once every second when moving the camera. This doesn't happen on my other save with roughly the same size base.
The same thing happens on a new save when I debug to see the whole map.
i7-9700k OC'ed @ 4.8 ghz
16 GB ram
Exploring the map. Debugging the map produces the same result.