Samsung Exynos 7870 Advantages
Lower TDP (3W vs 5W)
Qualcomm Snapdragon 782G Advantages
Better graphics card performance FLOPS (0.7526 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (2700MHz vs 1600MHz)
More modern manufacturing process (6nm vs 14nm)
Released 6 years and 9 months late