Qualcomm Snapdragon 855 Advantages
Better graphics card performance FLOPS (0.8985 TFLOPS vs 0.1248 TFLOPS )
Higher Frequency (2840MHz vs 1800MHz)
More modern manufacturing process (7nm vs 14nm)
Released 6 months late
Qualcomm Snapdragon 632 Advantages
Lower TDP (5W vs 6W)