Sure. "STM32L1 MCUs also feature the industry's lowest power consumption of 170 nA in low-power mode with SRAM retention. ". But I think we're looking for the '

Sure. "STM32L1 MCUs also feature the industry's lowest power consumption of 170 nA in low-power mode with SRAM retention. ". But I think we're looking for the 'most efficient' general purpose computer. https://www.st.com/en/microcontrollers-microprocessors/stm32-ultra-low-power-mcus.html#:~:text=power%20consumption%20of-,170%20nA,-in%20low-power https://www.st.com/en/microcontrollers-microprocessors/stm32...