Compared with processor chips, the importance of storage performance on smartphones has gradually become more prominent over the years. According to the conclusion of Android Authority, LPDDR5 RAM, UFS 3.0 ROM and SD Express memory card will become the commanding heights of the new round of flagship smartphones. Specifically, the speed of LPDDR5 will reach 6400Mbps, double that of LPDDR4, and 50% higher than LPDDR4X (4266Mbps). According to IC manufacturer Synopsys, LPDDR5 will introduce WCK differential clock, similar to GDDR5, so as to increase the frequency without adding pins. In addition, LPDDR5 will also introduce Link ECC, which has the ability to recover data from transmission errors. Of course, because mobile phones and Windows tablets will mainly be adopted, LPDD5 has also done more detailed work in reducing power consumption. Although the voltage has not changed compared with LPDDR4X, the current in the idle state will be reduced by 40%. It is reported that Samsung may announce the start of LPDDR5 manufacturing in the second half of this year, wait and see. In contrast, the UFS 3.0 standard has been officially finalized by JDEC, with a maximum speed of 2900MB/s, which is double the 1200MB/s of UFS 2.1. Samsung has already started the production of UFS 3.0 flash memory chips for the automotive sector. Smart phones/tablets are expected to begin to become popular in 2019. Samsung S10? As for the SD Express standard memory card, the maximum capacity (SDUC card) is increased to 128TB, and the speed can reach 985MB/s.
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