I don't think you will see much improvement in the near term.
It's going to take a number with a lot of 0s after it to get below 10nm processes. That's where you will see big changes. Intel has a lot bigger wallet to do that, BUT they have already admitted that desktop chips ARE NOT a priority and the first 10nm desktop chips will be slower than the current 14nm.
So for the next couple years it will be a price war, not really performance.