Samsung let the world know that it has started mass production of 3 GB LPDDR3 modules for mobile devices. The package is made out of six fast 20nm class 4Gb LPDDR3 chips with half a gig capacity, so that dual-channel configuration is kept intact, each addressing 1.5 GB...Source: http://www.phonearena.com/news/Samsung-makes-first-20nm-3GB-RAM-chip-for-smartphones-puts-it-on-the-conveyor-belt_id45653
