Qualcomm Snapdragon 801 Advantages
Higher Frequency (2500MHz vs 2400MHz)
Qualcomm Snapdragon 780G Advantages
Better graphics card performance FLOPS (0.7526 TFLOPS vs 0.148 TFLOPS )
Larger memory bandwidth (17GB/s vs 14.9GB/s)
More modern manufacturing process (5nm vs 28nm)
Lower TDP (5W vs 6W)
Released 7 years and 1 months late