Qualcomm Snapdragon 845 Advantages
Larger memory bandwidth (29.8GB/s vs 25.6GB/s)
Higher Frequency (2800MHz vs 2400MHz)
Qualcomm Snapdragon 778G Advantages
More modern manufacturing process (6nm vs 10nm)
Lower TDP (5W vs 9W)
Released 3 years and 5 months late