Qualcomm Snapdragon 662 Advantages
Lower TDP (4W vs 8W)
Qualcomm Snapdragon 7 Plus Gen 3 Advantages
Better graphics card performance FLOPS (2.9184 TFLOPS vs 0.2432 TFLOPS )
Larger memory bandwidth (64GB/s vs 13.9GB/s)
Higher Frequency (2800MHz vs 2000MHz)
More modern manufacturing process (4nm vs 11nm)
Released 4 years and 2 months late