cpupower-governors

Enables the ability to swap between kernel governors for the CPU useful for laptops.

Balanced: Mode controlled by the schedutil governor. Frequency changes dynamically and in a smart way.
Performance: Run the CPU at the maximum frequency.
Powersave: Run the CPU at the minimum frequency.

Requirements

cpupower.
pkexec, which is from polkit.

Tested on Gnome 3.38.1

Persistance

If you would like to define a governor on boot, check cpupower manual. Normally, it consists of two steps:

Edit /etc/default/cpupower accordingly.
Enable the service systemctl enable cpupower.service.