American Express and Visa are both major credit card networks, but they’re certainly not the same. Using an American Express card, or Amex card, can imply a certain level of prestige and exclusivity ...

American Express, Discover, Mastercard and Visa are the four major credit card processing networks that oversee every card transaction from start to finish.

But when it comes to Discover and American Express, there are differences that go beyond taste. ... American Express fares slightly better internationally, but still lags behind Visa and Mastercard.