Under 5.7.15-1
sudo cpupower frequency-info
analyzing CPU 0:
driver: intel_pstate
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: Cannot determine or is not supported.
hardware limits: 800 MHz - 4.50 GHz
available cpufreq governors: performance powersave
current policy: frequency should be within 800 MHz and 4.50 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency: Unable to call hardware
current CPU frequency: 4.18 GHz (asserted by call to kernel)
boost state support:
Supported: yes
Active: yes
Under 5.8.1-3
sudo cpupower frequency-info
analyzing CPU 0:
driver: intel_cpufreq
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 20.0 us
hardware limits: 800 MHz - 4.50 GHz
available cpufreq governors: powersave performance schedutil
current policy: frequency should be within 800 MHz and 4.50 GHz.
The governor "powersave" may decide which speed to use
within this range.
current CPU frequency: Unable to call hardware
current CPU frequency: 800 MHz (asserted by call to kernel)
boost state support:
Supported: yes
Active: yes