Discover was one of the biggest credit card issuers and payment networks in the U.S. (right behind Visa, Mastercard and ...

One of CNBC Select's top picks for the best balance transfer credit cards, the Discover it Balance Transfer is both a debt ...

Discover's payment network is smaller than Visa and Mastercard, but Capital One is invested in growing it.

Both Capital One and Discover offer a wide variety of options, but some cards stand out more.