MediaTek Dimensity 930 Advantages
Larger memory bandwidth (51.2GB/s vs 17GB/s)
Lower TDP (4W vs 6W)
Samsung Exynos 1280 Advantages
Better graphics card performance FLOPS (0.487 TFLOPS vs 0.2592 TFLOPS )
Higher Frequency (2400MHz vs 2200MHz)
More modern manufacturing process (5nm vs 6nm)