Arduino vs STM32: which is better for performance embedded apps?

STM32 microcontrollers are far more powerful than most standard Arduino boards, offering faster computation, more peripherals, and better resource management - critical for performance-oriented embedded tasks (robotics, real-time control). Arduino’s platform wins for fast entry, simplicity, and strong support among beginners and makers. For ambitious, demanding use-cases, use STM32. For quick starts and simple workflows, stick with Arduino.