The CPU and GPU aren't both trying to access data pathways on the logic board. There's no memory swapping or rewriting of data between your RAM and SSD. The M1 chip can dynamically use whatever it needs, from whichever component it needs, instantaneously. Having everything on a single chip changes that fundamentally. RAM is a system's short term memory and having lots of it means you can do more and larger tasks simultaneously without slowing things down. Traditional thinking has always said, add as much RAM as you can afford. But the more I researched the new M1 chip and how it's performed in the new MacBook Pro and Mac Mini, the less concerned I was. As someone who falls into that category, I expected to be more upset at the change.
