Samsung Exynos 7884B Advantages
Better graphics card performance FLOPS (0.0493 TFLOPS vs 0.0384 TFLOPS )
Larger memory bandwidth (7.8GB/s vs 3.7GB/s)
Released 1 years and 8 months late
Samsung Exynos 7872 Advantages
Higher Frequency (2000MHz vs 1560MHz)