The shield is one of the best android boxes on the market, as one of its major features is upscaling videos using its notibly faster gpu compared to standard android boxes. With support for a wide amount of surround sound options, it is still virtually the best android streaming box for videos and games.
The shield tv was such a dominant amdroid box that nvidia fundamentally didnt change its soc simce 2015, outside of the die shrink from 20nm to 16nm that allowed for the upscale feature in the 2019 model and the better battery life in newer switches.