Nvidia RTX A6000 vs Nvidia RTX PRO 4000 Blackwell SFF
Nvidia RTX A6000 is the more capable pick; Nvidia RTX PRO 4000 Blackwell SFF is the cheaper one - which wins comes down to the job below.
The verdict
- Plex
- Nvidia RTX A6000 transcodes more streams (~24 vs ~12).
- Local AI
- Nvidia RTX A6000 has more VRAM (48GB vs 24GB) - up to ~33B (Q4).
- Fit
- Nvidia RTX PRO 4000 Blackwell SFF is easier to add to a mini-PC (low-profile PCIe).
Which wins for each job
| Job | Nvidia RTX A6000 | Nvidia RTX PRO 4000 Blackwell SFF |
|---|---|---|
| Plex transcode | ~24 streams win | ~12 streams |
| Frigate NVR | ~25 cameras | ~25 cameras |
| Local LLM | 48GB VRAM win | 24GB VRAM |
| Fits a mini-PC | full-size PCIe, DIY build | low-profile PCIe 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 | Nvidia RTX A6000 | Nvidia RTX PRO 4000 Blackwell SFF |
|---|---|---|
| Price (list) | $4,000 | $1,500 |
| Type | gpu | gpu |
| Interface | pcie | pcie |
| Transcode | H.264/HEVC (NVENC Ampere) | H.264/HEVC/AV1 (NVENC Blackwell 4:2:2) |
| Frigate detector | TensorRT | TensorRT |
| TOPS | - | - |
| VRAM (GB) | 48 | 24 |
| Low profile | no | yes |
| GPU sharing | vgpu | vgpu |
| Power (W) | 300 | 70 |