HiSilicon Kirin 990 5G Advantages
Larger memory bandwidth (34.1GB/s vs 17GB/s)
Higher Frequency (2860MHz vs 2400MHz)
Qualcomm Snapdragon 780G Advantages
Better graphics card performance FLOPS (0.7526 TFLOPS vs 0.6912 TFLOPS )
More modern manufacturing process (5nm vs 7nm)
Lower TDP (5W vs 6W)
Released 1 years and 5 months late