The verdict

CPU
Minisforum MS-A2 has 2.7x the CPU throughput (54,042 vs 20,018 PassMark).
Idle power
Lenovo M70q Gen 4 idles lower (6W vs 25W) - cheaper to run 24/7.
Networking
Minisforum MS-A2 has more NICs (4 vs 1) - better for a firewall or VLAN trunk.
RAM ceiling
Minisforum MS-A2 takes more RAM (96GB vs 64GB).
Local AI
Minisforum MS-A2 has a PCIe slot for a low-profile GPU - the other needs a DIY build for local LLMs.

Which wins for each job

Job Lenovo M70q Gen 4 Minisforum MS-A2
Plex / Jellyfin ~5 streams ~5 streams
Frigate NVR ~4 cameras win add a detector
Proxmox / VMs 20,018 PassMark 54,042 PassMark win
Firewall / router 1 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 Lenovo M70q Gen 4 Minisforum MS-A2
Price (list) $600 $639
CPU Intel Core i5-13400T AMD Ryzen 9 7945HX
Cores / threads 10 16
PassMark 20,018 54,042
iGPU UHD 730 Radeon 610M (RDNA2)
NICs 1 4
NIC model Intel I219-LM Intel X710 (10G SFP+)
RAM max (GB) 64 96
M.2 free 0 1
PCIe slot none x16
Idle (W) 6 25
TDP (W) 35 55