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

Different levels of computation go on and as a result, less heat is created by your TV.

It’s like comparing the time and effort it takes to do a math test by solving the questions (think GPU) versus looking up the answers and copying them down (think TV).