The Development Of Embedded Storage Interface Speed

At present, eMMC/eMCP is the mainstream storage solution for smartphones and tablet computers.

Table of Contents

At present, eMMC/eMCP is the mainstream storage solution for smartphones and tablet computers. EMMC integrates the main controller and NAND Flash particles into a small BGA package, which effectively solves the problem of NAND Flash management. With the development of the market and the advancement of technology, the speed is also increasing: eMMC 4.41 104MB/s, eMMC 4.5 200MB/s, eMMC 5.0 400MB/s, and the next generation specifications will be followed by UFS 2.0.

Memory Interface Speed Trend

The conversion of an embedded storage specification to a UFS is similar to the conversion of an SSD SATAIII interface to a PCIe interface. It supports full-duplex running, simultaneous read and writes operations, more efficient power management during operations, and instruction queuing. In contrast, eMMC is half-duplex, where reads and writes must be executed separately, and instructions are packaged.

UFS vs eMMC Key Feature Comparison

There are two versions of UFS 2.0, each with two transmission channels. The theoretical bandwidth of HS-G2 is 5.8Gbps, which is more than 740MB/s, while that of HS-G3 is doubled to 11.6Gbps, which is close to 1.5GB/s, which is enough to meet the needs of the future for a long time, and 4K video recording and playback will be more smooth.


DiskMFR Field Sales Manager - Leo

It’s Leo Zhi. He was born on August 1987. Major in Electronic Engineering & Business English, He is an Enthusiastic professional, a responsible person, and computer hardware & software literate. Proficient in NAND flash products for more than 10 years, critical thinking skills, outstanding leadership, excellent Teamwork, and interpersonal skills.  Understanding customer technical queries and issues, providing initial analysis and solutions. If you have any queries, Please feel free to let me know, Thanks

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