Samsung Exynos 7885 Advantages
Higher Frequency (2200MHz vs 2100MHz)
Released 2 years and 10 months late
Samsung Exynos 7420 Advantages
Better graphics card performance FLOPS (0.1976 TFLOPS vs 0.0704 TFLOPS )
Larger memory bandwidth (24.8GB/s vs 7.46GB/s)
Lower TDP (7W vs 8W)