You are kidding, right?
To not use all features/ capacities of CPU is a wise idea?
To keep it simple ... It's like building a highway with 4 lanes and only use 1 ...

For everyday use a 68k CPU should be enough ...
Give Trevor a call and tell him to use a 750 G3. It's cheap and all you need

Sorry, it's unbelievable ...

Tell the x86 guys to not use the SIMD unit of a i7. It will be fun for sure
I wonder, what do you want in fact?