How much current consumption when we use internal 32k RC ?

I use the nRF52832 IC of WLCSP package. In addition, it sets as follows:

                            {.source        = NRF_CLOCK_LF_SRC_RC,            \
                             .rc_ctiv       = 16,                                \
                             .rc_temp_ctiv  = 2,                                \
                             .xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_250_PPM}

How much current consumption increases as compared with the case of using an external crystal ?

Also, please tell us in detail why the current consumption increases.

thank you

uba

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