Samsung Exynos 980 Advantages
Larger memory bandwidth (34.1GB/s vs 17.07GB/s)
MediaTek Dimensity 820 Advantages
Better graphics card performance FLOPS (0.416 TFLOPS vs 0.2621 TFLOPS )
Higher Frequency (2600MHz vs 2200MHz)
More modern manufacturing process (7nm vs 8nm)
Lower TDP (8W vs 9W)
Released 8 months late