MediaTek Helio G90T Advantages
Higher Frequency (2050MHz vs 2000MHz)
Lower TDP (5W vs 6W)
Released 9 months late
Qualcomm Snapdragon 675 Advantages
Better graphics card performance FLOPS (0.3244 TFLOPS vs 0.2304 TFLOPS )
More modern manufacturing process (11nm vs 12nm)