Qualcomm Snapdragon 835 Advantages
Larger memory bandwidth (29.8GB/s vs 18.4GB/s)
Higher Frequency (2450MHz vs 2400MHz)
MediaTek Dimensity 900 Advantages
Better graphics card performance FLOPS (0.621 TFLOPS vs 0.5675 TFLOPS )
More modern manufacturing process (6nm vs 10nm)
Lower TDP (4W vs 9W)
Released 4 years and 6 months late