They have very different smoke points. In short: coconut oil (also palm oil) will be useful after you use it to fry, while olive oil will stop being olive oil

They have very different smoke points. In short: coconut oil (also palm oil) will be useful after you use it to fry, while olive oil will stop being olive oil after just some heating. In fact, do not fry anything with olive oil. Olive oil should be added to food in your plate only.