There are certain differences between visa and ordinary credit cards in terms of scope of use, card number, nature and logo. The specific analysis is as follows:
1. Scope of use: visa can only be used when there is a visa logo. It can be used in various places, while ordinary credit cards can be used in China and at places with the UnionPay logo.
2. Card number: The card number of visa credit card starts with "4", while the card number of ordinary UnionPay credit card starts with "62".
3. Nature: Visa credit card is an international credit card, while ordinary credit cards usually refer to UnionPay bank cards.
4. Logo: The visa card face has the visa logo, while ordinary credit cards usually have the UnionPay logo.