The taste is different, the appearance is different, the eating method is different, etc.
The taste is different: Raw toast is generally crisper and has not been fried at high temperatures. It has a crisper texture and is more popular. Cooked toast is generally fried at high temperatures and has a softer texture, making it more popular.
Different appearances: Raw toast is generally made from flour, while cooked toast is generally made from wheat flour.
The usage methods are different: Raw toast can generally be eaten directly, or it can be soaked in hot water and washed before eating. Cooked toast can generally be eaten by baking, frying and other methods.