The verdict

Plex
Intel Arc Pro B60 transcodes more streams (~20 vs ~12).
Local AI
Nvidia RTX 5090 has more VRAM (32GB vs 24GB) - up to ~33B (Q4).

Which wins for each job

Job Intel Arc Pro B60 Nvidia RTX 5090
Plex transcode ~20 streams win ~12 streams
Frigate NVR ~25 cameras ~25 cameras
Local LLM 24GB VRAM 32GB VRAM win
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 Intel Arc Pro B60 Nvidia RTX 5090
Price (list) $599 $1,999
Type gpu gpu
Interface pcie pcie
Transcode H.264/HEVC/AV1/VP9 (Xe2 media) H.264/HEVC/AV1 (NVENC Blackwell 4:2:2)
Frigate detector OpenVINO TensorRT
TOPS - -
VRAM (GB) 24 32
Low profile no no
GPU sharing sr-iov -
Power (W) 200 575