MediaTek Helio G25 Advantages
Larger memory bandwidth (13.9GB/s vs 7.8GB/s)
Higher Frequency (2000MHz vs 1560MHz)
More modern manufacturing process (12nm vs 14nm)
Lower TDP (2W vs 5W)
Released 9 months late
Samsung Exynos 7884B Advantages
Better graphics card performance FLOPS (0.0493 TFLOPS vs 0.0418 TFLOPS )