Qualcomm Snapdragon 660 Advantages
Better graphics card performance FLOPS (0.2176 TFLOPS vs 0.0208 TFLOPS )
Larger memory bandwidth (13.9GB/s vs 4.2GB/s)
Higher Frequency (2200MHz vs 1400MHz)
Released 9 months late
Samsung Exynos 7570 Advantages
Lower TDP (4W vs 5W)