Generally, bank cards are divided into credit cards and debit cards based on whether they grant credit limits to cardholders, rather than memory cards.

1. Debit Card refers to a bank card that deposits first and then consumes (or withdraws cash) without overdraft function.

2. Memory card is an independent storage medium used in mobile phones, digital cameras, portable computers, MP3 and other digital products. It is usually in the form of a card, so it is collectively called "memory card", also known as For "digital memory card", "digital memory card", "storage card", etc.

The two are completely different items and are not comparable.

Debit cards:

1. According to their different functions, they can be divided into debit cards (including savings cards), special cards and stored-value cards.

2. Debit card is a credit tool with functions such as transfer settlement, cash deposit and withdrawal, shopping and consumption.

3. Debit cards cannot be overdrafted.

4. The debit card has the functions of transferring money, depositing and withdrawing cash, and spending money.

5. A special card is a debit card used for special purposes in a specific area (purposes other than department stores, restaurants, and entertainment industries). It has the functions of transferring funds, depositing and withdrawing cash.

6. A stored-value card is a prepaid wallet debit card in which the bank transfers funds to the card for storage at the request of the cardholder and deducts money directly from the card during transactions.

Memory card:

1. MMC series: MMC, RS-MMC, MMC PLUS, MMC moboile, MMCmicro;

2. SD series: SD card , miniSD, microSD, T-Flash card, SDHC, SDXC;

3. Memory stick: MS PRO,, MS Duo, MS PRO Duo, MS Micro (M2), Compact Vault;

4. PCIe flash memory card;

5. Other cards: CF card, XD image card, SM card.