The verdict

CPU
Minisforum AI X1 has 1.3x the CPU throughput (34,991 vs 26,658 PassMark).
Plex
Minisforum MS-01 i9 transcodes more 4K HDR streams (~8 vs ~5).
Idle power
Minisforum AI X1 idles lower (19W vs 30W) - cheaper to run 24/7.
Networking
Minisforum MS-01 i9 has more NICs (4 vs 2) - better for a firewall or VLAN trunk.
RAM ceiling
Minisforum AI X1 takes more RAM (128GB vs 96GB).
Local AI
Minisforum MS-01 i9 has a PCIe slot for a low-profile GPU - the other needs a DIY build for local LLMs.

Which wins for each job

Job Minisforum AI X1 Minisforum MS-01 i9
Plex / Jellyfin ~5 streams ~8 streams win
Frigate NVR add a detector ~6 cameras win
Proxmox / VMs 34,991 PassMark win 26,658 PassMark
Firewall / router 2 NICs 4 NICs win
Local AI / LLM no slot PCIe GPU slot win

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 Minisforum AI X1 Minisforum MS-01 i9
Price (list) $749 $730
CPU AMD Ryzen AI 9 HX 370 Intel Core i9-12900H
Cores / threads 12 14
PassMark 34,991 26,658
iGPU Radeon 890M (RDNA3.5) Intel Iris Xe
NICs 2 4
NIC model Realtek 2.5GbE dual Intel X710 + I226-V
RAM max (GB) 128 96
M.2 free 2 2
PCIe slot none x8-lp
Idle (W) 19 30
TDP (W) 65 45