How does a computer overheating make it perform worse actively?

Question

I understand the increased degradation of parts over time, but what is the heat doing to make a computer perform worse in real time?

In: 13

Answer 1

One aspect not mentioned yet is that higher temperatures make the temperature increase even worse: most components have higher resistance at higher temperatures, meaning that you need more power for the same things, and all that power gets turned into more heat.