How STM32F4DISCOVERY and FiO 2 Compare?

CoreARM Cortex M4ARM Cortex M4
Maximum Speed (MHz)168168
GPIO140 (all pins available)82 (some pins not available because of other connections)
JTAG Debugger (To load program and debug)ST Link V2On board
Add More RAM (For computation intensive applications)up to 8MbitsNot possible
On Board RTCYesNo
On Board AccelerometerNoYes
On Board MicrophoneNoYes
Price890 THB500 THB
Buy NowFrom hereFrom here

More details and document download available from FiO 2STM32F4DISCOVERY