Samsung Exynos 990 Advantages
Better graphics card performance FLOPS (1.126 TFLOPS vs 0.1248 TFLOPS )
Higher Frequency (2730MHz vs 1800MHz)
More modern manufacturing process (7nm vs 14nm)
Released 1 years and 4 months late
Qualcomm Snapdragon 632 Advantages
Lower TDP (5W vs 9W)