The right way to find answer to such questions is by looking at the market capital. Bitcoin is just a crypto currency whereas ripple is trying to change the way we perform transaction. Ripple will rise in the coming time as more and more banks have started to use ripple . Similarly, Bitcoin is attracting a lot of investors because of the sudden rise in it's price. So, it's hard to say that ripple will ever beat Bitcoin considering the huge difference in market capital of both.