MediaTek Dimensity 800U Advantages
Better graphics card performance FLOPS (0.3264 TFLOPS vs 0.1976 TFLOPS )
Higher Frequency (2400MHz vs 2100MHz)
More modern manufacturing process (7nm vs 14nm)
Released 5 years and 4 months late
Samsung Exynos 7420 Advantages
Larger memory bandwidth (24.8GB/s vs 17.07GB/s)
Lower TDP (7W vs 10W)