What's the advantage of using camera entities over RTSP streams?

So i use webrtc lovelace card for RTSP streams, and that works pretty well.

I recently added them as camera entities, but that makes cpu go from 5-15. I’m about to install webtortc to ensure they get converted to webrtc streams, but now i’m thinking maybe i should just keep them as RTSP streams.

I don’t know if Frigate works on rtsp streams directly. Do camera entities offload me calling the same RTSP stream multiple times ? What’s the advantage ?