Qualcomm Snapdragon 439 Advantages
Lower TDP (5W vs 6W)
MediaTek Dimensity 8200 Advantages
Better graphics card performance FLOPS (1.442 TFLOPS vs 0.0432 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 6.4GB/s)
Higher Frequency (3100MHz vs 2000MHz)
More modern manufacturing process (4nm vs 12nm)
Released 4 years and 6 months late