Samsung Exynos 990 Advantages
Better graphics card performance FLOPS (1.126 TFLOPS vs 0.0972 TFLOPS )
Larger memory bandwidth (44GB/s vs 13.41GB/s)
Higher Frequency (2730MHz vs 2100MHz)
More modern manufacturing process (7nm vs 12nm)
Released 1 years late
MediaTek Helio P70 Advantages
Lower TDP (5W vs 9W)