Samsung Exynos 7880 Advantages
Lower TDP (4W vs 5W)
Qualcomm Snapdragon 865 Plus Advantages
Better graphics card performance FLOPS (1.3721 TFLOPS vs 0.0912 TFLOPS )
Larger memory bandwidth (44GB/s vs 12.8GB/s)
Higher Frequency (3100MHz vs 1900MHz)
More modern manufacturing process (7nm vs 14nm)
Released 3 years and 6 months late