MediaTek Dimensity 800U Advantages
Larger memory bandwidth (17.07GB/s vs 17GB/s)
Samsung Exynos 1280 Advantages
Better graphics card performance FLOPS (0.487 TFLOPS vs 0.3264 TFLOPS )
More modern manufacturing process (5nm vs 7nm)
Lower TDP (6W vs 10W)
Released 1 years and 7 months late