Frame-rate flexibility is a tradeoff: 1080p60 can look smoother, but 4K is limited to 30 fps and some software modes complicate access to 60 fps.
Pros: overall satisfaction, video quality
Cons: gesture controls, mounting quality
Best Webcams for frame rate
The biggest frame-rate compromise is 4K being limited to 30fps, and a few users also ran into missing or inaccessible 60fps modes.
Pros: video quality, subject tracking
Cons: firmware updates, latency