Samsung Exynos 7904 Advantages
Lower TDP (5W vs 6W)
Qualcomm Snapdragon 870 Advantages
Better graphics card performance FLOPS (1.3721 TFLOPS vs 0.0493 TFLOPS )
Higher Frequency (3200MHz vs 1800MHz)
More modern manufacturing process (7nm vs 14nm)
Released 1 years and 11 months late