The only difference that stands between Visa and Mastercard is that your card works on the payment network that the company operates.
A Visa card won't work on Mastercard's network, and vice versa.
Ultimately, any other differences in cards come from the specific card you have.
Visa Credit Cards are better than Mastercard Credit cards because Visa is more widely accepted at stores than Mastercard is.
Mastercard is not as widely accepted but that is changing now though.
Mastercard and Visa are widely accepted online though.
For most people, it doesn't really matter whether they get a VISA or a MasterCard.
Both are equally secure and offer similar benefits.
While VISA has a slightly higher market share and greater amount of transactions worldwide, both VISA and MasterCard are equally well-accepted by merchants.
Mastercard credit cards are accepted at 37 million merchant locations in more than 210 countries and territories.
Mastercard is accepted in more countries than Visa, yet roughly 7 million more merchants worldwide take Visa.
Both have a claim to the title of most widely accepted credit card as a result.