Ram if a big driver of what models you can run with vram at a premium. Equipping 2 separate boxes with enough ram to load advanced models may be more expensive than just equipping one faster machine.
On the larger models even with ssd swap I can’t even get them to fully load on my 16gb of ram.
Use a hdmi to ip adapter to stream to multiple locations on a local network. Learned about them when looking at security cameras.