MediaTek Helio X30 Advantages
Lower TDP (5W vs 9W)
Qualcomm Snapdragon 845 Advantages
Better graphics card performance FLOPS (0.727 TFLOPS vs 0.2176 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 27.81GB/s)
Higher Frequency (2800MHz vs 2600MHz)
Released 10 months late