The new 12 GB low-power double data rate 4X UFS-based multichip package by Samsung combines four 24 Gb LPDDR4X chips and ultra-fast eUFS 3.0 NAND storage into a single package. This new mobile memory solution can hit a transfer rate of 4,266 Mbps, allowing mid-end handsets to shoot smooth 4K videos and run AI/machine learning applications.
https://www.notebookcheck.net/Industry-s-first-12-GB-LPDDR4X-based-uMCP-enters-mass-production-obviously-made-by-Samsung.440249.0.html