Samsung Exynos 8890 Advantages
Better graphics card performance FLOPS (0.2496 TFLOPS vs 0.0384 TFLOPS )
Larger memory bandwidth (26.82GB/s vs 3.7GB/s)
Higher Frequency (2300MHz vs 2000MHz)
Samsung Exynos 7872 Advantages
Released 2 years and 2 months late