Samsung Exynos 7904 Advantages
Lower TDP (5W vs 6W)
HiSilicon Kirin 9000 Advantages
Better graphics card performance FLOPS (2.3316 TFLOPS vs 0.0493 TFLOPS )
Higher Frequency (3130MHz vs 1800MHz)
More modern manufacturing process (5nm vs 14nm)
Released 1 years and 8 months late