The global smartphone memory market fell sharply, witnessing a revenue decline of 46 percent in Q1 2023. The slowdown in demand and oversupply environment weakened the memory market for smartphones. Moreover, NAND petabyte shipments grew while DRAM petabyte shipments fell. During the quarter, Samsung captured 50 percent revenue share followed by SK Hynix and Micron. This report covers the global shipments, revenue, and ASP of NAND Flash and DRAM Memory chips by vendor, by technology and by quarter from CY2018Q1 to CY2023Q1.