Samsung Exynos 850 Advantages
More modern manufacturing process (8nm vs 12nm)
Released 1 years and 5 months late
MediaTek Helio P35 Advantages
Better graphics card performance FLOPS (0.0435 TFLOPS vs 0.0394 TFLOPS )
Higher Frequency (2300MHz vs 2000MHz)
Lower TDP (2.2W vs 3W)