[mythtv-users] silent and low-power: AMD or Intel?

[Johnny]

> One other thing to remember that has not been mentioned. If your
> backend is Intel, I would suggest you use Intel for the front-end. If
> it is amd, then front-end could be either. This is important if you
> are running ubuntu and want to take advantage of the OS's features for
> building diskless front-end clients. There is no support for an amd64
> diskless frontend if you have an intel backend using the tools like
> mythbuntu control center and related commands.

I am confused by this. Intel licenses amd64 from AMD, so all 64-bit
desktop processors from Intel and AMD are using the same ISA. If there
is an incompatibility is it from something else?