MediaTek Dimensity 920 Advantages
Better graphics card performance FLOPS (0.684 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (51.2GB/s vs 27.81GB/s)
More modern manufacturing process (6nm vs 10nm)
Lower TDP (4W vs 5W)
Released 4 years and 6 months late
MediaTek Helio X30 Advantages
Higher Frequency (2600MHz vs 2500MHz)