Is there any difference between having MMC SD TF in the mobile phone expansion card

To put it simply, MMC and SD cards are as large as the volume, both are twice the size of TF cards, but they do not support live plugging and unplugging, while TF cards support live plugging and unplugging!

TF is super expensive, facing some elimination.

Here's what's more.

TF card, also known as microSD, is an extremely small flash memory card that was invented by SanDisk. This card is mainly used in mobile phones, but because of its small size, it slowly began to be used in GPS devices, portable devices and some flash memory disks as the capacity continues to increase. It measures 15mm x 11mm x 1mm – the size of a fingernail and is the smallest memory card available today (2011).

It can also be used as an adapter in the SD card slot.

SD card (Secure Digital Memory Card), Chinese translated as Secure Digital Card, is a new generation of memory devices based on semiconductor flash memory, which is widely used in portable devices such as digital cameras, personal digital assistants (PDAs) and multi-loggers. The SD card was jointly developed by Panasonic, Toshiba and SanDisk in August 1999. The size of a postage stamp, the SD memory card weighs only 2 grams, but it has a high memory capacity, fast data transfer rates, great mobility and great security.

TF is a small card, and SD is a large card, both of which are a type of flash memory card. The TF card is the smallest in size and can be used as an SD card after the SD card converter. The adapter can be used on devices that use SD as a storage medium.

TransFlash is mainly developed for camera phones to shoot large images and large clips. The transflash card can be used to store personal data, such as numbers, games, applications and personal data for mobile phones, etc., and also has a copyright protection management system to protect the images, images and games; Future versions of TransFlash will also feature encryption to protect personal data, financial records and healthcare documents. The compact size of TransFlash allows manufacturers to adopt this design without worrying about ** size, and another flexibility is that it allows the supplier to replace it at any time according to the customer's different needs before delivery, which is not available in embedded flash memory.

TF card is a mobile phone memory card, but the mobile phone memory card is not necessarily a TF card, it may be an M2 card or other cards.