Jun 6, 2026 · Industry Insights

Can Rust Replace C in Embedded Firmware? Industrial Findings from ST and Academia

An industrial study by STMicroelectronics and Inria shows that Rust firmware on an STM32U585 MCU uses 45% less RAM than equivalent C code while matching performance, incurs about 10% larger ROM, offers superior portability, and highlights safety benefits and remaining limitations.

Ariel OSEmbeddedFirmware

0 likes · 10 min read

Can Rust Replace C in Embedded Firmware? Industrial Findings from ST and Academia

IoT Full-Stack Technology

Jun 5, 2026 · Industry Insights

Can Rust Replace C in Embedded Firmware? An Industrial Study from ST and Academia

A ten‑week side‑by‑side study by ST, Inria and university researchers shows that Rust firmware for an STM32U585 microcontroller uses 45 % less RAM than an equivalent C implementation while matching performance, highlighting Rust's zero‑heap model, portability advantages and the remaining limitations for low‑end MCUs.

Ariel OSCEmbedded Firmware

0 likes · 12 min read

Can Rust Replace C in Embedded Firmware? An Industrial Study from ST and Academia