Qualcomm Snapdragon 778G Advantages
Larger memory bandwidth (25.6GB/s vs 14.9GB/s)
More modern manufacturing process (6nm vs 28nm)
Lower TDP (5W vs 6W)
Released 7 years and 3 months late
Qualcomm Snapdragon 801 Advantages
Higher Frequency (2500MHz vs 2400MHz)