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switch from STM32f4 to stm32f7

Question asked by ASSAAD on Oct 6, 2015
Latest reply on Oct 6, 2015 by Clive One
Hello All

We have stm32f4 in a product running 168MHZ now switching to stm32f7 running

At 168 MHz, the STM32F405/415 deliver 210 DMIPS/566 CoreMark performance executing from Flash memory,

for stm32f7 ; At 216 MHz fCPU, the STM32F745 delivers 1082 CoreMark / 462 DMIPS performance executing from Flash
I could not understand how much is the M7 is faster from M4 ; for example the same routine for both ; how much is it faster ?
for a valid hardware and software ( M4)  ;  can we use  for M7 ?

Thank you in advanced