Until recently, chipsets MediaTek rarely found outside the segment of low-cost smartphones. This, combined with their inability to counter counterparts Qualcomm comparable level, forced many users to completely abandon devices based on Chinese processors.
It's about chips Dimensity 1000. They are produced using 7-nanometer technology and, as noted, are more powerful. Samsung Exynos 5100. Despite the primordial support for fifth-generation networks in the world, in a couple of years they will become the de facto standard. Therefore, it is not surprising that they plan to use MediaTek chips for budget and mid-level models.
It is assumed that their own developments in this direction will form the basis of the flagship Galaxy S11 and Galaxy Fold 2.