The regular Mac mini will blow you away, search YouTube for video editing reviews using different Mac mini’s.
I edit 4K ProRes and H.265 footage, sometimes with multicam (up to 4 streams) and color adjustments, titles, etc. It's only after stacking 3-5 effects before things can stutter, really.
Or if you try doing something CPU-intense in the background _while_ running some heavy creative software. I just don't do that.