Qualcomm Snapdragon 625 Advantages
Lower TDP (5W vs 8W)
MediaTek Dimensity 800 Advantages
Better graphics card performance FLOPS (0.3328 TFLOPS vs 0.1248 TFLOPS )
Larger memory bandwidth (17.07GB/s vs 7.46GB/s)
More modern manufacturing process (7nm vs 14nm)
Released 3 years and 10 months late