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For RTOS such a chip is always fast enough. The problem is IO latency and software.

A RTOS is typically a much slower and much smaller OS. FreeRTOS e.g consists of 3 small source files, and the control loop might be from 1KHz to 10KHz (for extremely high-dynamic systems). Compare that to the snapdragon loop of 2GHz. Factor 1e6.

https in real-time is obviously a joke. There exist proper networking protocols for hard realtime, not randomized and spiky Ethernet based protocols. Telcos use such proper realtime, slicing protocols.




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