Do you know what kind of flash memory your phone is using – eMMC or UFS? After Samsung announced the development of the industry’s first UFS 4.0 storage product in May this year, the company announced at the 2022 Flash Memory Summit on August 3 that UFS 4.0 flash memory was put into mass production this month.
Samsung said that UFS 4.0 will be the first to be used on flagship smartphones to meet the needs of high data throughput speeds when processing high-resolution images and heavy-duty games. In the future, UFS 4.0 will be popularized on more mobile devices, AR and VR devices.
For the first time, Samsung will release UFS 4.0 along with the Galaxy Z Fold 4, Galaxy Z Flip 4, Galaxy Watch 5 and 5 Pro at the upcoming Galaxy Unpacked event on August 10. But, Snapdragon 8+ processor does not mention support for UFS 4.0.
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There is also a view that the UFS 4.0 flagship will actually have to wait until November for the products of the Snapdragon 8 Gen2 platform, such as the Xiaomi Mi 13 series and the Samsung Galaxy S23 series.
It is understood that the bandwidth speed per channel of UFS 4.0 has increased to 23.2Gbps, which is twice that of UFS 3.1. Based on Samsung’s seventh-generation V-NAND flash memory and self-developed master control, the measured continuous reading speed can reach 4200MB/s, and the continuous writing speed can reach 2800MB/s.
For comparison, Samsung’s 512GB UFS 3.1 flash memory chip (released in March 2020) with the best performance in the industry has a nominal sequential read speed of up to 2100MB/s and a write speed of 1200MB/s. In comparison, the writing of UFS 4.0 is increased by 1.3 times. While speeding up, the advantages of UFS 4.0 flash memory include lower unit power consumption, smaller package size, and a single-chip capacity of 1TB.
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