Samsung Exynos 7884B Advantages
Better graphics card performance FLOPS (0.0493 TFLOPS vs 0.0208 TFLOPS )
Larger memory bandwidth (7.8GB/s vs 4.2GB/s)
Higher Frequency (1560MHz vs 1400MHz)
Released 3 years and 1 months late
Samsung Exynos 7570 Advantages
Lower TDP (4W vs 5W)