Samsung Exynos 7420 Advantages
Better graphics card performance FLOPS (0.1976 TFLOPS vs 0.0333 TFLOPS )
Larger memory bandwidth (24.8GB/s vs 6.9GB/s)
Higher Frequency (2100MHz vs 1500MHz)
More modern manufacturing process (14nm vs 28nm)
MediaTek MT6750 Advantages
Released 1 years and 4 months late