The English name of SD card is Secure Digital Card, and the English name of TF card is micro SD? Card, which means micro SD card, is essentially used for storage. In a sense, it can be understood that TF card is a relatively small SD card.
Their size determines their different ways of use. SD cards are generally used in larger electronic devices, such as AV devices and digital cameras, while TF cards are widely used in mobile phones, old people's record players, MP3 players and other devices.
TF card is a small card in your hand, and the standard SD card has a lock switch in addition to its large size. Once the card is set to the locked state, the contents in the card can only be read, not modified, written or copied, so the data is relatively safe.
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The difference of transformation speed between SD and TF;
1, TF card can be converted into SD card through adapter, which is a relatively large card sleeve. Small cards can be used as SD cards when they become big cards. There is a lock switch on the adapter to prevent files from being deleted.
2.TF card can be changed into SD card, and SD card cannot be changed into TF card. Many people think that SD card is as fast as TF card. In fact, the speed of communication is related to the class level. The higher the class level, the faster the data transmission speed. In the case of the same class level, because the technology used by SD card is more advanced, SD card is superior in data transmission.