MediaTek Helio A25 Advantages
Lower TDP (5W vs 8W)
MediaTek Dimensity 800 Advantages
Better graphics card performance FLOPS (0.3328 TFLOPS vs 0.0416 TFLOPS )
Larger memory bandwidth (17.07GB/s vs 13.9GB/s)
Higher Frequency (2000MHz vs 1800MHz)
More modern manufacturing process (7nm vs 12nm)
Released 1 years and 6 months late