Xiaomi's upcoming Android One phones will be based on its new CC9 series with some modifications. The Xiaomi Mi A3 and Mi A3 Lite are reportedly getting upgraded chipsets compared to their MIUI-running relatives. The Mi A3 is set to get the Snapdragon 730. Compared to the S710 inside the CC9, this chip uses newer big cores (Cortex-A76 based Kryo 470, up from A75-based Kryo 360). Also, the new Adreno 618 promises a 25% boost over the old one. The chipset is built on Samsung's 8nm LPP process, which improves power efficiency (the S710 is a 10nm chip). Snapdragon 730 and 675...
Source: https://www.gsmarena.com/xiaomi_mi_a3_and_a3_lite_may_get_upgraded_chipsets__snapdragon_730_and_675-news-38084.php