Unless the system is too old to contain new drivers, or you're switching from x86 to arm, you shouldn't have a problem. I've done this multiple times, including a gradual upgrade from Ubuntu 8.04 to 16.04.
Unless the system is too old to contain new drivers, or you're switching from x86 to arm, you shouldn't have a problem. I've done this multiple times, including a gradual upgrade from Ubuntu 8.04 to 16.04.