Qualcomm Snapdragon 845 Advantages
Better graphics card performance FLOPS (0.727 TFLOPS vs 0.284 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 17GB/s)
Higher Frequency (2800MHz vs 2400MHz)
Qualcomm Snapdragon 680 Advantages
More modern manufacturing process (6nm vs 10nm)
Released 3 years and 10 months late