SD card is the abbreviation of secure digital card, which literally translates as "secure digital card". TF card is T-Flash card, also called micro SD card, which is micro SD card.
The specific differences between SD card and TF card are:
1. Appearance distinction: the size of SD card is 24 mm× 32 mm× 2.1mm; The volume of TF card is15 mm×11mm×1mm.
2.TF card card adapter can be converted into SD card, but SD card can not be converted into TF card generally.
3. Name distinction: SD card is a secure digital memory card, and Chinese translation is a secure digital memory card. TF card, T-Flash, also called MicroSD, is a memory card. Later renamed TransFlash；; It was renamed MicroSD because it was adopted by SD Association (SDA). Other memory cards used in SDA include miniSD and SD card.
4. Origin: SD card was jointly developed by Panasonic, Toshiba and SanDisk Company of the United States from June 5438 to August 0999. TF card is the latest generation memory card specification introduced by Motorola and Sandisk. Launched in 2004.
5. Definition: SD card is a new generation storage device based on semiconductor flash memory. TF card is a very small flash memory card, which adopts the latest NAND MLC technology and controller technology of Sandisk.
6. Usage difference: SD cards are widely used in portable devices, such as digital cameras, personal digital assistants (PDA) and multimedia players. TF card is mainly used in mobile phones, but due to its small size, it is gradually used in GPS devices, portable music players and some flash drives with the increase of capacity.
7. Security difference: SD card has write protection switch. There is no TF card, but TF card can be converted into SD card through card sleeve.
8. Capacity differentiation: SD card capacity: 32g16G8G6G4g1G512m256m128m, from the early 8~5 12 MB,1~ 8 (sdhc TF card capacity: 64g32g16g 8g 6g 2g1g512m256m128m.
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