When your PC is on but idle, your GPU will take a negligible amount of power. The harder it's working the more it draws.
To give you an example, my PC as a whole draws about 100 - 120 Watts under light use (three monitors, some browsers etc). When gaming it draws about 550 Watts.
When your PC is on but idle, your GPU will take a negligible amount of power. The harder it's working the more it draws.
To give you an example, my PC as a whole draws about 100 - 120 Watts under light use (three monitors, some browsers etc). When gaming it draws about 550 Watts.