They are much slower. Both perceptively because you have to leave your card in during the entire transaction, and we're sending/receiving more encrypted informa

They are much slower. Both perceptively because you have to leave your card in during the entire transaction, and we're sending/receiving more encrypted information. My biggest gripe is the sound for a successful transaction is the same as an error sound. It always causes me to do a double take to ensure it went through.