Qualcomm Snapdragon 801 Advantages
Lower TDP (6W vs 8W)
Samsung Exynos 2100 Advantages
Better graphics card performance FLOPS (1.5304 TFLOPS vs 0.148 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 14.9GB/s)
Higher Frequency (2900MHz vs 2500MHz)
More modern manufacturing process (5nm vs 28nm)
Released 6 years and 10 months late