One's an AMD the other's an Intel. I'd go with the Intel if they're the same price, especially since that Turion is a single core processor. Even if it were dual I'd still go with the Intel. IF it's a fairly substantial price difference and you don't really need a high performance laptop go with the Turion, it will be more than enough for daily tasks.
Oh and please put more than "Whats the difference?" in your title.