MMC and SD are two types of flash memory cards that are used for storage. One of the differences between them is the storage they hold. SD cards normally hold up to 2 GB to 4 GB, while MMC cards can hold up to 128 GB. Both cards have different variations of them, which can hold different sizes. MMC cards come in variations like MMC plus and dual voltage MMC. SD cards come in mini SD, SDHC, and SDXC cards. MMC cards have been around a couple of year longer than SD, for MMC cards were developed in 1997, while SD cards were developed in 1999.
In order to know the difference between the two, you should know what MMC and SD stand for. MMC stands for Multimedia Card while SD stands for Secure Digital. MMC is known to be the flash memory card that has been standardly used in the past.
There was a time when people had memory cards in order to store their data. It is still being used right now but a lot of people have also transferred to using SD because this is very effective for storage. Plus, SD is also smaller than the MMC in terms of size. Take note that the MMC and the SD are normally used in various gadgets such as cameras, phones, and so much more.