MediaTek Helio G90 Advantages
Lower TDP (5W vs 6W)
Samsung Exynos 1280 Advantages
Better graphics card performance FLOPS (0.487 TFLOPS vs 0.2074 TFLOPS )
Higher Frequency (2400MHz vs 2050MHz)
More modern manufacturing process (5nm vs 12nm)
Released 2 years and 8 months late