MediaTek Helio G99 Advantages
Larger memory bandwidth (17.1GB/s vs 17GB/s)
More modern manufacturing process (6nm vs 8nm)
Released 7 months late
Qualcomm Snapdragon 480 Plus Advantages
Better graphics card performance FLOPS (0.4864 TFLOPS vs 0.2816 TFLOPS )
Lower TDP (3W vs 5W)