The Cortex M7 on the 4.0 is a dual-issue superscalar ... A 15x performance improvement over the current tiny development board you may be using could enable some new and exciting applications ...
The hardware consists of not much more than an ARM Cortex-M7 MCU, a 240×320 LCD screen and a few buttons soldered onto a piece of prototyping board, all powered by a set of AAA batteries.
The model was benchmarked by Literal Labs using the MLPerf Inference: Tiny suite and tested on a $30 NUCLEO-H7A3ZI-Q ...