Samsung Exynos 1380 Advantages
Better graphics card performance FLOPS (0.608 TFLOPS vs 0.607 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 33.4GB/s)
More modern manufacturing process (5nm vs 8nm)
Lower TDP (5W vs 9W)
Released 4 years and 3 months late
Samsung Exynos 9820 Advantages
Higher Frequency (2730MHz vs 2400MHz)