Qualcomm Snapdragon 670 Advantages
Better graphics card performance FLOPS (0.3584 TFLOPS vs 0.0493 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 7.8GB/s)
Higher Frequency (2000MHz vs 1560MHz)
More modern manufacturing process (10nm vs 14nm)
Samsung Exynos 7884B Advantages
Lower TDP (5W vs 9W)
Released 1 years and 1 months late