MediaTek Helio G91 Advantages
Released 3 years and 8 months late
HiSilicon Kirin 9000E Advantages
Better graphics card performance FLOPS (2.1373 TFLOPS vs 0.096 TFLOPS )
Larger memory bandwidth (44GB/s vs 13.41GB/s)
Higher Frequency (3130MHz vs 2000MHz)
More modern manufacturing process (5nm vs 12nm)