A screen display control method includes a screen change operation, which includes, in response to a screen change request, outputting data of a screen to be changed, to a display unit and predicting a next screen change cycle, and an operation of switching into a power saving mode when there is no screen change request. An electronic device includes an event generation unit configured to generate a screen change event, a display unit configured to receive screen change data and change a displayed screen, and a controller configured to in response to a detected screen change event, output data of a screen to be changed, to the display unit, predict a next screen change cycle, and switch into a power saving mode when there is no screen change request.