Word on the grapevine claimed Samsung would equip its flagship phones in 2021 with an SoC featuring custom AMD GPU cores in an attempt to compete more effectively with Qualcomm. A new leak indicates that will not be the case, however, with the Exynos 1000 said to continue with a Mali GPU.
https://www.notebookcheck.net/No-custom-AMD-Radeon-GPU-for-the-Exynos-1000-new-leak.490215.0.html