Samsung Exynos 9810 Advantages
Better graphics card performance FLOPS (0.3706 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (2900MHz vs 1600MHz)
More modern manufacturing process (10nm vs 14nm)
Released 1 years and 11 months late
Samsung Exynos 7870 Advantages
Lower TDP (3W vs 5W)