Samsung Exynos 7884B Advantages
More modern manufacturing process (14nm vs 28nm)
Lower TDP (5W vs 6W)
Released 5 years and 7 months late
Qualcomm Snapdragon 801 Advantages
Better graphics card performance FLOPS (0.148 TFLOPS vs 0.0493 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 7.8GB/s)
Higher Frequency (2500MHz vs 1560MHz)