An electronic apparatus is provided. The electronic apparatus includes an input/output interface connected to a source apparatus, a display, and a processor configured to, based on detecting that the source apparatus is connected through the input/output interface, receive identification information of the source apparatus from the source apparatus, and based on the received identification information of the source apparatus, control the display to display a user interface (UI) for changing a resolution, and based on receiving a user input for changing a resolution through the displayed UI, identify whether the source apparatus can transmit a content of the resolution corresponding to the user input based on the identification information of the source apparatus, and based on identifying that the source apparatus can transmit a content of the resolution corresponding to the user input, transmit a signal requesting the content of the resolution corresponding to the user input to the source apparatus.