Samsung Exynos 9609 Advantages
Released 6 months late
Samsung Exynos 9820 Advantages
Better graphics card performance FLOPS (0.607 TFLOPS vs 0.0918 TFLOPS )
Larger memory bandwidth (33.4GB/s vs 11.9GB/s)
Higher Frequency (2730MHz vs 2200MHz)
More modern manufacturing process (8nm vs 10nm)