Samsung Exynos 7880 Advantages
Larger memory bandwidth (12.8GB/s vs 11.9GB/s)
Lower TDP (4W vs 8W)
Samsung Exynos 9610 Advantages
Better graphics card performance FLOPS (0.0918 TFLOPS vs 0.0912 TFLOPS )
Higher Frequency (2300MHz vs 1900MHz)
More modern manufacturing process (10nm vs 14nm)
Released 1 years and 2 months late