MediaTek Helio G81 Advantages
More modern manufacturing process (12nm vs 16nm)
Released 8 years and 9 months late
HiSilicon Kirin 950 Advantages
Better graphics card performance FLOPS (0.1152 TFLOPS vs 0.0912 TFLOPS )
Larger memory bandwidth (25.6GB/s vs 13.41GB/s)
Higher Frequency (2400MHz vs 2000MHz)