HiSilicon Kirin 820 Advantages
Larger memory bandwidth (31.78GB/s vs 25.6GB/s)
Qualcomm Snapdragon 778G Plus Advantages
Better graphics card performance FLOPS (0.8448 TFLOPS vs 0.6528 TFLOPS )
Higher Frequency (2500MHz vs 2360MHz)
More modern manufacturing process (6nm vs 7nm)
Released 1 years and 7 months late