Samsung Exynos 7872 Advantages
Higher Frequency (2000MHz vs 1900MHz)
Released 1 years late
Samsung Exynos 7880 Advantages
Better graphics card performance FLOPS (0.0912 TFLOPS vs 0.0384 TFLOPS )
Larger memory bandwidth (12.8GB/s vs 3.7GB/s)
Lower TDP (4W vs 5W)