First, the subject is different.
1. Automobile memory card: It is a new generation of storage device based on semiconductor flash memory.
2. Mobile phone memory card: It is a very small flash card, and its format originated from the creation of SanDisk. At first, this memory card was called T-Flash, and later it was renamed TransFlash. The reason why it was renamed Micro SD was because it was adopted by SD Association (SDA).
Second, the characteristics are different.
1, car memory card: small size, fast data transmission, hot plug and other excellent features.
2, mobile phone memory card: Micro SD is smaller and can be converted into Mini SD and ordinary SD card. Almost all mainstream manufacturers support Micro SD, and the slightly larger MiniSD is rarely used.
Third, the applicability is different.
1, car memory card: widely used in portable devices, such as digital cameras, tablet computers, multimedia players, etc.
2. Mobile phone memory card: mainly used in mobile phones, but due to its small size and increasing storage capacity, it has been used in GPS devices, portable music players and some flash drives.
Baidu encyclopedia -Micro SD card
Baidu encyclopedia -SD card