Qualcomm Snapdragon 810 Advantages
Better graphics card performance FLOPS (0.3072 TFLOPS vs 0.0912 TFLOPS )
Larger memory bandwidth (25.6GB/s vs 12.8GB/s)
Higher Frequency (2000MHz vs 1900MHz)
Samsung Exynos 7880 Advantages
More modern manufacturing process (14nm vs 20nm)
Released 2 years and 9 months late