MediaTek Helio A25 Advantages
Lower TDP (5W vs 9W)
Released 9 months late
HiSilicon Kirin 970 Advantages
Better graphics card performance FLOPS (0.3318 TFLOPS vs 0.0416 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 13.9GB/s)
Higher Frequency (2360MHz vs 1800MHz)
More modern manufacturing process (10nm vs 12nm)