on nrf52810 datasheet current consumption:1.5 µA at 3 V in System ON mode, with full 24 kB RAM retention, wake on RTC,But Online Power Profiler,Idle current 1.1µA.Idle current is not System ON mode current consumption?

on nrf52810 datasheet current consumption:1.5 µA at 3 V in System ON mode, with full 24 kB RAM retention, wake on
RTC,But Online Power Profiler,Idle current 1.1µA.Idle current is not System ON mode current consumption?