Turning previously ‘dumb’ LED streetlighting ‘smart’ is one of the easiest cost-to-benefit propositions in smart city because it effectively pays for itself.
Bluetooth LE can be used to report on the condition of fragile cargoes, while cellular IoT can forward that data to the Cloud wherever there's telecoms infrastructure.
Single processor solutions will inevitably have to trade-off the processor's computational power against its efficiency. When that trade-off becomes too great, developers look towards dual-core solutions.