Samsung Exynos 7880 Advantages
Better graphics card performance FLOPS (0.0912 TFLOPS vs 0.0416 TFLOPS )
Higher Frequency (1900MHz vs 1800MHz)
Lower TDP (4W vs 5W)
MediaTek Helio A25 Advantages
Larger memory bandwidth (13.9GB/s vs 12.8GB/s)
More modern manufacturing process (12nm vs 14nm)
Released 1 years and 5 months late