Beelink SER9 vs GMKtec NucBox K11
Beelink SER9 is the more capable pick; GMKtec NucBox K11 is the cheaper one - which wins comes down to the job below.
The verdict
- CPU
- Beelink SER9 has 1.2x the CPU throughput (34,991 vs 29,273 PassMark).
- Idle power
- Beelink SER9 idles lower (8W vs 10W) - cheaper to run 24/7.
- Networking
- GMKtec NucBox K11 has more NICs (2 vs 1) - better for a firewall or VLAN trunk.
- RAM ceiling
- GMKtec NucBox K11 takes more RAM (64GB vs 32GB).
Which wins for each job
| Job | Beelink SER9 | GMKtec NucBox K11 |
|---|---|---|
| Plex / Jellyfin | ~5 streams | ~5 streams |
| Frigate NVR | add a detector | add a detector |
| Proxmox / VMs | 34,991 PassMark win | 29,273 PassMark |
| Firewall / router | 1 NICs | 2 NICs win |
| 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 SER9 | GMKtec NucBox K11 |
|---|---|---|
| Price (list) | $999 | $649 |
| CPU | AMD Ryzen AI 9 HX 370 | AMD Ryzen 9 8945HS |
| Cores / threads | 12 | 8 |
| PassMark | 34,991 | 29,273 |
| iGPU | Radeon 890M (RDNA3.5) | Radeon 780M (RDNA3) |
| NICs | 1 | 2 |
| NIC model | Intel I226-V | Intel I226-V dual |
| RAM max (GB) | 32 | 64 |
| M.2 free | 1 | 1 |
| PCIe slot | none | none |
| Idle (W) | 8 | 10 |
| TDP (W) | 65 | 54 |