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Effect of difference between microcontroller and tx_power on power consumption

When I set tx_power and paired with the following microcontrollers, the power consumption of the 4dbm setting became larger than that of the 0dbm setting.
Is this an effect of the difference in microcomputers, though the power consumption becomes larger in the 4dbm setting?

- nRF52810,s112
  Set 4dbm with sd_ble_gap_tx_power_set
  With pairing: 96uA to 137uA (average 120uA)
  Without pairing: alternating between 2.0uA and 100-164uA (average 130uA) (advertised output)


- nRF51822,s110
  Set 0dbm in sd_ble_gap_tx_power_set
  With pairing: 175uA to 240uA (average 210uA)
  Without pairing: 10uA and 250uA to 350uA (average 300uA) alternately (advertised output)

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