Samsung Exynos 2100 Advantages
Better graphics card performance FLOPS (1.5304 TFLOPS vs 0.2496 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 26.82GB/s)
Higher Frequency (2900MHz vs 2300MHz)
More modern manufacturing process (5nm vs 14nm)
Released 5 years and 1 months late
Samsung Exynos 8890 Advantages
Lower TDP (5W vs 8W)