BD Rips at the FireTV Stick (V2) are choppy, FireTV container is good.

[Peter]

The processing power of the FireTV stick is not as good as the FireTV box so movies with lots of panning scenes may not stream smoothly at higher resolutions and bitrates. Also certain codecs on the FireTV will render in software mode instead of hardware so a video with the hevc codec will render more slowly than a video with the h264 codec.