High-performance access line, Arm Cortex-M4 core with DSP and FPU, 384 Kbytes of Flash memory, 84 MHz CPU, ART Accelerator

STM32 Dynamic Efficiency MCU, ARM Cortex-M4 core with DSP and FPU, up to 512 Kbytes Flash, 84 MHz CPU, Art Accelerator
High-performance foundation line, Arm Cortex-M4 core with DSP and FPU, 1 Mbyte of Flash memory, 168 MHz CPU, ART Accelerator, Ethernet, FSMC