Qualcomm Snapdragon 855 Plus Advantages
Better graphics card performance FLOPS (1.0368 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (34.13GB/s vs 27.81GB/s)
Higher Frequency (2960MHz vs 2600MHz)
More modern manufacturing process (7nm vs 10nm)
Released 2 years and 5 months late
MediaTek Helio X30 Advantages
Lower TDP (5W vs 6W)