HiSilicon Kirin 990 5G Advantages
Better graphics card performance FLOPS (0.6912 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (34.1GB/s vs 27.81GB/s)
Higher Frequency (2860MHz vs 2600MHz)
More modern manufacturing process (7nm vs 10nm)
Released 2 years and 8 months late
MediaTek Helio X30 Advantages
Lower TDP (5W vs 6W)