Qualcomm Snapdragon 845 's Advantages
Lower TDP (9W vs 10W)
Qualcomm Snapdragon 888 's Advantages
Better graphics card performance FLOPS (1.72 TFLOPS vs 0.727 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 29.8GB/s)
Higher Frequency (2840MHz vs 2800MHz)
More modern manufacturing process (5nm vs 10nm)
Released 3 years late