The company's Chief Operating Officer detailed some core specifications of the upcoming flagship Helio X30 SoC including its 10 nm lithography and switch to integrated PowerVR graphics.
http://www.notebookcheck.net/MediaTek-gives-first-look-at-the-deca-core-Helio-X30-SoC.170812.0.html
"820 is Qualcomm 2016 chipset.... Helio x30 is Mediatek 2017 chipset... How these both can be compared ?
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http://www.socialtech360.com/mediatek-working-on-helio-p35-processor/