Samsung Exynos 9611 Advantages
Higher Frequency (2300MHz vs 2200MHz)
More modern manufacturing process (10nm vs 12nm)
Released 10 months late
MediaTek Helio P90 Advantages
Better graphics card performance FLOPS (0.1552 TFLOPS vs 0.0918 TFLOPS )
Larger memory bandwidth (13.91GB/s vs 11.9GB/s)
Lower TDP (5W vs 8W)