How to choose the minimum power state for a light and thin laptop?

I'm using a Thinkpad T14 gen1 AMD, with Ryzen 4750U processor. The power plan is set to Balanced already, but I noticed the CPU frequency is always near the max turbo frequency and the machine gets very noisy and hot when plugged in, even under light load. Then I checked the advanced power settings and found the minimum power state is set to 80%, which is the default. I reduced it to 50% and the machine quiets and cools down, but the CPU frequency remains high. Now the machine is cooler in Performance mode than before in Balanced mode. So I have these questions: Is CPU frequency scaling no lon

Question by user3528438 on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.