Samsung has already pressing ahead with its own high-density 20nm LPDDR3 modules, but SK Hynix reckons it can go one better. Instead of the stingy, piffling, retro 2GB stack offered by Sammy (pah!), the Korean memory specialist says it's sampling 20nm 8Gb (1GB) chips that can be stacked to provide 4GB of RAM in high-end mobile devices. This memory will come with all the trimmings and trappings of high-density LPDDR3, including a data transmission speed of 2,133Mbps (vs. 1,600Mbps offered by existing LPDDR3 phones like the
