Qualcomm Snapdragon 460 Advantages
Lower TDP (3W vs 5W)
Qualcomm Snapdragon 720G Advantages
Better graphics card performance FLOPS (0.384 TFLOPS vs 0.1536 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 13.91GB/s)
Higher Frequency (2300MHz vs 1800MHz)
More modern manufacturing process (8nm vs 11nm)