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

Creating (encoding) an 8k video is much harder than playing (decoding) an 8k video. This is done on purpose, since once made videos are likely to be played many, many times. Playing back an 8k video on a PC should not generate much heat.