Qualcomm Snapdragon 636 Advantages
Lower TDP (5W vs 8W)
MediaTek Dimensity 800 Advantages
Better graphics card performance FLOPS (0.3328 TFLOPS vs 0.1843 TFLOPS )
Larger memory bandwidth (17.07GB/s vs 5.3GB/s)
Higher Frequency (2000MHz vs 1800MHz)
More modern manufacturing process (7nm vs 14nm)
Released 2 years and 2 months late