Samsung is likely to release the new flagship Galaxy S6 when MWC2015, and it will also carry Samsung's latest SoC, Exynos 7420. The latest news shows that it will use the advanced 14nm process.

From this Korean media planning table, Samsung's Exynos 7420 will be applied to the 2015 flagship Galaxy S6 and Galaxy Note 5. He said that it will use 64 bit eight core processors, support 4K resolution, and use the most advanced 14nm FinFET technology.

In the second table, we can see that the Exynos 7420 uses the eight core Cortex-A57+Cortex-A53 architecture, with the highest dominant frequency of 2.1GHz, and the GPU is Mali-T760 (the number of cores is unknown).