Samsung Exynos 7880 Advantages
Better graphics card performance FLOPS (0.0912 TFLOPS vs 0.0494 TFLOPS )
More modern manufacturing process (14nm vs 16nm)
MediaTek Helio P23 Advantages
Higher Frequency (2300MHz vs 1900MHz)
Lower TDP (2.5W vs 4W)
Released 7 months late