The verdict

Local AI
Nvidia RTX 3060 12GB has more VRAM (12GB vs 8GB) - up to ~13B (Q4).

Which wins for each job

Job Nvidia RTX 3060 12GB Nvidia RTX 4060
Plex transcode ~12 streams ~12 streams
Frigate NVR ~25 cameras ~25 cameras
Local LLM 12GB VRAM win 8GB VRAM
Fits a mini-PC full-size PCIe, DIY build full-size PCIe, DIY build

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 3060 12GB Nvidia RTX 4060
Price (list) $280 $300
Type gpu gpu
Interface pcie pcie
Transcode H.264/HEVC (NVENC Ampere) H.264/HEVC/AV1 (NVENC Ada)
Frigate detector TensorRT TensorRT
TOPS - -
VRAM (GB) 12 8
Low profile no no
GPU sharing - -
Power (W) 170 115