The verdict

CPU
Beelink GTR9 has 1x the CPU throughput (54,968 vs 54,895 PassMark).
Idle power
Beelink GTR9 idles lower (16W vs 18W) - cheaper to run 24/7.
Networking
Beelink GTR9 has more NICs (2 vs 1) - better for a firewall or VLAN trunk.

Which wins for each job

Job Beelink GTR9 Bosgame M5
Plex / Jellyfin ~5 streams ~5 streams
Frigate NVR add a detector add a detector
Proxmox / VMs 54,968 PassMark win 54,895 PassMark
Firewall / router 2 NICs win 1 NICs
Local AI / LLM no slot no slot

Approximate - capacity estimates from curated specs, the same logic as the recommender. Verify against your exact setup. Prices move; check the retailer.

Full specs

Spec Beelink GTR9 Bosgame M5
Price (list) $1,985 $1,699
CPU AMD Ryzen AI Max+ 395 AMD Ryzen AI Max+ 395
Cores / threads 16 16
PassMark 54,968 54,895
iGPU Radeon 8060S (RDNA3.5) Radeon 8060S (RDNA3.5)
NICs 2 1
NIC model Dual 10GbE 2.5GbE
RAM max (GB) 128 128
M.2 free 1 1
PCIe slot none none
Idle (W) 16 18
TDP (W) 140 120