One is inflationary while the other is deflationary when it comes to supply. Additionally, one was arguably meant to be used as a currency - as the names sugges

One is inflationary while the other is deflationary when it comes to supply. Additionally, one was arguably meant to be used as a currency - as the names suggest - while the other was meant to be used as a gas for non currency things. This doesn't answer your question directly but it does give some good food for thought.