MediaTek Dimensity 800 Advantages
Larger memory bandwidth (17.07GB/s vs 14.9GB/s)
More modern manufacturing process (7nm vs 8nm)
Qualcomm Snapdragon 690 Advantages
Better graphics card performance FLOPS (0.4864 TFLOPS vs 0.3328 TFLOPS )
Lower TDP (6W vs 8W)
Released 6 months late