HiSilicon Kirin 970 Advantages
Better graphics card performance FLOPS (0.3318 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 27.81GB/s)
Released 7 months late
MediaTek Helio X30 Advantages
Higher Frequency (2600MHz vs 2360MHz)
Lower TDP (5W vs 9W)