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Power Consumption Question - Zigbee and BLE

I am trying to get a good handle on the difference in average power consumption between BLE point to point and Zigbee on an nRF52840.  We have battery powered products and would like to use the best option.  Can someone provide an apples-to-apples power consumption comparison for a BLE peripheral(point to point) and a Zigbee router?  Our parameters would be as follows:

TX power: +4dBm

Latency: <= 200ms

Data rates:  (BLE=1Mbps, Zigbee=250kbps)

Thanks,

James

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