Samsung Exynos 7870 Advantages
Lower TDP (3W vs 5W)
Qualcomm Snapdragon 778G Plus Advantages
Better graphics card performance FLOPS (0.8448 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (2500MHz vs 1600MHz)
More modern manufacturing process (6nm vs 14nm)
Released 5 years and 8 months late