Samsung Exynos 7884B Advantages
Lower TDP (5W vs 6W)
Released 11 months late
Qualcomm Snapdragon 675 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.0493 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 7.8GB/s)
Higher Frequency (2000MHz vs 1560MHz)
More modern manufacturing process (11nm vs 14nm)