tough question, you know! )) I think that five  years won't be enough for Etherium to beat Bitcoin and to be more profitable. It will need more than that. The market value of Bitcoin is way higher than the value of Etherium. And as the value of Etherium is getting higher, same thing happens with the value of Bitcoin. So Etherium needs to have a higher rate of increase. And the coin who will have a larger value will be more profitable,
But time will tell who is big papa!