정도, 만큼 : describing a size, volume or level

This is so long it could be recorded as a world record.

이것은 세계 기록으로 기록될 정도로 (만큼) 길다.


He is so smart he could go to Harvard.

하버드에 갈 만큼(정도로) 똑똑하다.


@ They have almost the same usage, but 정도 (degree) can be used to explain
a fixed point or area in our tacit consent.

Our patience has a limit.

참는 것도 정도가 있다.


But 만큼 needs that additional clause or phrase in the sentence.