Samsung Exynos 9820 Advantages
Better graphics card performance FLOPS (0.607 TFLOPS vs 0.0704 TFLOPS )
Larger memory bandwidth (33.4GB/s vs 7.46GB/s)
Higher Frequency (2730MHz vs 2200MHz)
More modern manufacturing process (8nm vs 14nm)
Released 9 months late
Samsung Exynos 7885 Advantages
Lower TDP (8W vs 9W)