The Redmi 14C and Redmi 15C share more than just the Redmi name. A closer look shows they have a common chipset, but they differ in several important areas.
Both phones are powered by the MediaTek Helio G81 Ultra chipset, making this a key point of similarity between them.
The main differences, according to the comparison, are in battery capacity, charging speed, durability, screen brightness, and camera performance. These are the areas where the two models diverge.
In short, the Redmi 14C and Redmi 15C share the MediaTek Helio G81 Ultra chipset, while their main differences lie in battery, charging speed, durability, screen brightness, and camera.