Log file and OSD current draw values don't match

Any idea why there are current spikes in the log file? On the same flight, I also recorded the video with OSD, and did not see any current spikes during video review.
Before the flight, I did completed the Current and Voltage calibration as described in the documents.

The only conclusion I can come up with is that my Matek F765 does not have a capacitor on the board.
So is this normal?