Qualcomm Snapdragon 660 Advantages
Lower TDP (5W vs 6.3W)
Qualcomm Snapdragon 8 Gen 2 Advantages
Better graphics card performance FLOPS (3.4816 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (64GB/s vs 13.9GB/s)
Higher Frequency (3200MHz vs 2200MHz)
More modern manufacturing process (4nm vs 14nm)
Released 5 years and 6 months late