The energy usage in the task manager doesn't seem to be very accurate. I tested by opening a new window with a cpu-intensive webpage (http://www.digitalattackm

The energy usage in the task manager doesn't seem to be very accurate. I tested by opening a new window with a cpu-intensive webpage (http://www.digitalattackmap.com http://www.digitalattackmap.com). Real CPU usage jumps all the way up, but energy usage in the task manager is still showing low. Why?