Currently I’ve got a RPi4 without Coral, running Frigate with 2 cams, HA, Paperless, Photoview and Qbittorrent. This works well but maxes out the RPi4. As I want to add Immich and more cams, I have to upgrade. Budget allows for either a USB Coral with the existing RPi4 or buy a secondhand HP Prodesk 600 g4 with Intel 8th gen....
I personally graduated from a Rpi3b to an Intel NUC years ago and never looked back. Real RAM slots and Storage options internally and you can get as nice a processor as your budget allows. So my vote is to move to the SFF PC and let your Pi stick around for other projects.
I wouldn’t go NUC if you need a PCIe slot. The HP you were talking about would fit the bill though.
I believe they make a Coral that fits where the wifi chip goes too. As long as you are ok ditching the wifi/bt functionality for a TPU. For a server doing image processing that’s almost a no-brainer to me.
Running immich, HA and Frigate on a RPi4 with Coral or on a HP Prodesk 700 g4 (Intel 8th gen)
Currently I’ve got a RPi4 without Coral, running Frigate with 2 cams, HA, Paperless, Photoview and Qbittorrent. This works well but maxes out the RPi4. As I want to add Immich and more cams, I have to upgrade. Budget allows for either a USB Coral with the existing RPi4 or buy a secondhand HP Prodesk 600 g4 with Intel 8th gen....