hello everyone, okay my ques is i was using r9 270x sapphire card my specs are i5 4690 8gb ram 650 psu actually i duplicate my screen i have a 23inch monitor and 50inch sony tv so like when i play games it shows on both screen i turned off monitor while playing games on tv and vice versa the very 1 ques is if i duplicate my screen in games will it uses more graphic capability than compare to single running on one screen or it jus shows on duplicate use only one display capability in simple will it perform slow in 2 duplicate screen as compare to 1, my r9 270x stopped working and i bought new one rx 470 now i am worried abt my 470 i think because of using on 2 screen my r9 270x died i don't know asking for your opinions is it safe using screen duplicate all the time ?? i generally play shooter games on monitor and other open world on tv and watch tv shows on tv but i always duplicate the screen i jus turned off monitor or tv according to need but it always on duplicate is it safe ???