Qualcomm Snapdragon 636 Advantages
Lower TDP (5W vs 6W)
Qualcomm Snapdragon 8s Gen 3 Advantages
Better graphics card performance FLOPS (3.3792 TFLOPS vs 0.1843 TFLOPS )
Larger memory bandwidth (64GB/s vs 5.3GB/s)
Higher Frequency (3000MHz vs 1800MHz)
More modern manufacturing process (4nm vs 14nm)
Released 6 years and 5 months late