MediaTek Helio G88 Advantages
Lower TDP (5W vs 10W)
Released 10 months late
MediaTek Dimensity 800U Advantages
Better graphics card performance FLOPS (0.3264 TFLOPS vs 0.096 TFLOPS )
Larger memory bandwidth (17.07GB/s vs 13.41GB/s)
Higher Frequency (2400MHz vs 2000MHz)
More modern manufacturing process (7nm vs 12nm)