Qualcomm Snapdragon 480 Plus Advantages
Lower TDP (3W vs 5W)
Qualcomm Snapdragon 778G Plus Advantages
Better graphics card performance FLOPS (0.8448 TFLOPS vs 0.4864 TFLOPS )
Larger memory bandwidth (25.6GB/s vs 17GB/s)
Higher Frequency (2500MHz vs 2200MHz)
More modern manufacturing process (6nm vs 8nm)