MediaTek’s new 10-core Helio X30 chip will be available for smartphones and phablets priced between $300 and $500 The smartphone world will be rocked with MediaTek’s new 10-core Helio X30 chip, which will bring premium features like Google’s DayDream virtual reality platform to Android handsets with prices starting at US$300. The Helio X30 has the most cores of all smartphone chips, and that makes it blazing fast.