Qualcomm Snapdragon 450 Advantages
Lower TDP (3W vs 5W)
Qualcomm Snapdragon 778G Advantages
Larger memory bandwidth (25.6GB/s vs 7.46GB/s)
Higher Frequency (2400MHz vs 1800MHz)
More modern manufacturing process (6nm vs 14nm)
Released 3 years and 11 months late