Qualcomm Snapdragon 870 Advantages
Better graphics card performance FLOPS (1.3721 TFLOPS vs 0.7526 TFLOPS )
Larger memory bandwidth (44GB/s vs 17GB/s)
Higher Frequency (3200MHz vs 2400MHz)
Qualcomm Snapdragon 780G Advantages
More modern manufacturing process (5nm vs 7nm)
Lower TDP (5W vs 6W)