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

It’s basically the difference between “Why does it take so much longer to draw a picture than it takes to look at a picture”

The TV does very little work/processing. There is some scaling and processing but it isn’t ‘generating’ an image. The GPU actually generates the image, and sends it to the monitor. The monitor is effectively a TV