Samsung Exynos 9609 Advantages
More modern manufacturing process (10nm vs 28nm)
Released 5 years and 3 months late
Qualcomm Snapdragon 801 Advantages
Better graphics card performance FLOPS (0.148 TFLOPS vs 0.0918 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 11.9GB/s)
Higher Frequency (2500MHz vs 2200MHz)
Lower TDP (6W vs 9W)