MediaTek Helio X20 is the company's first chipset with a tri-cluster deca-core processor (2x Cortex-A72 @ 2.5GHz, 4x Cortex-A53 @ 2.0GHz, 4x Cortex-A53 @ 1.4GHz). The X20 is ready for mass production, and some reports suggest the Meizu MX6 will be the first smartphone to utilize it. The Helio X25 is also in the pipeline, and we'll be seeing it on an upcoming LeTV Le2. It seems MediaTek has already begun to work on the Helio X30 successor even before we see the X20 and X2 in action. The latest reports suggest we'll be seeing the first X30 smartphones in early 2017. The Helio X30 is...
Source: http://www.gsmarena.com/new_details_on_helio_x30_chipset_to_utilize_3cluster_10core_cpu-news-17500.php