UFS
UFS 3.0 is the latest iteration of Universal Flash Storage, a storage standard designed for smartphones and digital cameras. UFS offers read and write speeds that are significantly faster than embedded MultiMediaCard while retaining the same power consumption figures. Think it of as a mobile SSD for your phone.
UFS (Universal Flash Storage) has emerged because the preferred non-volatile storage standard for high-end phones in recent years. eMMC (embedded MultiMediaCard) remains the foremost prominent memory standard around — with the Pixel 3a series using an eMMC 5.1 storage module — but UFS offers significantly higher bandwidth while consuming an equivalent amount of power.
UFS was primarily designed to deliver SSD-like speeds on mobile devices. The first-gen UFS modules offered 3 times faster file copying times, also as vast improvements in multitasking over eMMC modules. UFS can do that because it may be a full-duplex standard, meaning it can read and write data simultaneously. against this , eMMC can only read or write data at any given time.
UFS 3.0 introduces sizeable gains in performance from UFS 2.1, with the quality now offering sequential reads of two ,100MB/s and writes of 410MB/s. And once you pit it against eMMC 5.1, there is a 6x increase in random read and an 8.5x increase in sequential reads. UFS relies on a dual-lane system wherein there are two channels for reading and two for writing data, and therefore the way it works is analogous thereto of MIMO (multiple-input and multiple-output) in networking.
| Category | Sequential Read (MB/s) | Sequential Write (MB/s) | Random Read (IOPS) | Random Write (IOPS) |
|---|---|---|---|---|
| UFS 3.0 | 2100 | 410 | 68,000 | 63,000 |
| UFS 2.1 | 850 | 260 | 45,000 | 40,000 |
| UFS 2.0 | 350 | 150 | 19,000 | 14,000 |
| eMMC 5.1 | 250 | 125 | 11,000 | 13,000 |
That’s quite adequate for everything from seamless 4K video playback to intensive gaming and every one mobile VR use cases. Theoretically, you will not even notice any difference between a phone running UFS 2.1 and one using UFS 3.0. With sequential reads of over 2Gbps, the storage module isn’t getting to be the bottleneck anytime soon, and at now , UFS 3.0 is just how to future-proof your device and pave the way for 8K video .
