Samsung Exynos 7870 Advantages
Lower TDP (3W vs 10W)
Unisoc Tiger T618 Advantages
Better graphics card performance FLOPS (0.0816 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (2000MHz vs 1600MHz)
More modern manufacturing process (12nm vs 14nm)
Released 3 years and 6 months late