You can easily install newer kernels on Mint. Open Upgrade Manager -> View (Third Menu) -> Linux Kernels You can choose from the backported kernels from 18.10

You can easily install newer kernels on Mint. Open Upgrade Manager -> View (Third Menu) -> Linux Kernels You can choose from the backported kernels from 18.10 and 19.04 ATM, guess the kernel from 19.10 will be availlable soon. That way i got to undervolt my AMD GPU without a fuzz.