eli5 Why does GPU heats and use fan to cooldown while processing 8k video on PC and there is no single fan in a TV and still process 8k/4k videos?

Question

In short, why does the the TV doesn’t need a fan to cooldown and PC requires one while dealing with high definition videos?

In: 1359

Answer 1

Think about rendering (encoding) a video like writing a thesis. It will need a lot of effort. The play (decoding) phase is like reading that thesis, it takes almost no effort.