atm vsDebit Card A Debit Card is a multi-functional card, and you can use it for on and off transactions and for withdrawing cash from ATMs. It is the bgest ATM card vs debit card difference. You can also use debit cards for internetATM vs. Gabit Ethernet For Hh Speed LANS CS533A-Introduction to Networking 4 1. Glossary ATM: Asynchronous transfer mode, a comprehensive connection-oriented transmission