I have Frigate running with a reverse proxy, a coral, etc. I just use the internal Intel GPU on my CPU and it works with a 1080p and a not-quite-4k stream (4MP maybe?). It’s no sweat for the hardware.

GPU is only used to detect motion, and you can even configure a lower resolution sub-stream from your cameras to reduce that load, but I don’t think you’ll need to.

Once motion is detected, Frigate fires up the coral to determine what is there. A car, dog, person, etc.

I have everything get recorded with no processing to a single WD Purple, the biggest I could afford. It holds months of video before rewriting over old stuff.

Hope that helps.