MediaTek Helio A25 Advantages
Lower TDP (5W vs 6W)
Apple A14 Bionic Advantages
Better graphics card performance FLOPS (0.6543 TFLOPS vs 0.0416 TFLOPS )
Larger memory bandwidth (34.1GB/s vs 13.9GB/s)
Higher Frequency (3100MHz vs 1800MHz)
More modern manufacturing process (5nm vs 12nm)
Released 2 years and 3 months late