SK Hynix has announced that its latest, "10anm" DRAM modules is now nearly ready for inclusion in next-gen smartphones. It has the fastest transfer rate known to the LPDDR4 standard; furthermore, as the first of its kind to be made using the extreme ultraviolet (EUV) lithography technique, making it more economical in terms of silicon use.
https://www.notebookcheck.net/SK-Hynix-most-advanced-10nm-LPDDR4-DRAM-for-mobile-devices-is-now-in-mass-production.550793.0.html