Unisoc T820 Advantages
More modern manufacturing process (6nm vs 7nm)
Released 2 years and 11 months late
Qualcomm Snapdragon 865 Advantages
Better graphics card performance FLOPS (1.2021 TFLOPS vs 0.4352 TFLOPS )
Larger memory bandwidth (44GB/s vs 17.07GB/s)
Higher Frequency (2840MHz vs 2700MHz)