1, card number: most visa credit cards start with 4, and ordinary credit cards start with 62.
2. Settlement channel: visa takes visa's credit card quota, while credit cards generally take UnionPay's credit card quota.
3. Card issuer: visa's card organization is American card organization, and credit card is China's card organization.
4. Scope of application: visa is mainly suitable for foreign use, and credit cards are mainly suitable for domestic use.