Qualcomm Snapdragon 865 Advantages
Lower TDP (5W vs 6W)
Qualcomm Snapdragon 8s Gen 3 Advantages
Better graphics card performance FLOPS (3.3792 TFLOPS vs 1.2021 TFLOPS )
Larger memory bandwidth (64GB/s vs 44GB/s)
Higher Frequency (3000MHz vs 2840MHz)
More modern manufacturing process (4nm vs 7nm)
Released 4 years and 3 months late