Although from your viewpoint your query relates to photos, it actaully relates to graphic card capability. Hence, it might have attracted more attention if posted in the Helproom.
I believe that the video ouput generated by the card will have the same characterics on any output. These will be in just a differently modulated form. So, if you zoom, all outputs will show a zoomed picture.Since you have a laptop, it might be possible for you to connect to a TV via one of the outputs to confirm this. I believe you would two video cards to achieve your aim.