A more meaningful comparison is if you can optimize your code so that it runs 10x faster that means it will also run just as fast as it is now on something 10x

A more meaningful comparison is if you can optimize your code so that it runs 10x faster that means it will also run just as fast as it is now on something 10x slower. That's like going from needing a small server to something you could wear as a watch. (So to speak.)