Qualcomm Snapdragon 660 Advantages
Released 1 years and 6 months late
Samsung Exynos 8890 Advantages
Better graphics card performance FLOPS (0.2496 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (26.82GB/s vs 13.9GB/s)
Higher Frequency (2300MHz vs 2200MHz)