I wanted to answer to your post and i press by fault pick solution. Sorry. So, you think that is the graphic card problem? And i need to throw it away and by a new one?! Also on my laptop i have amd radeon hd 7600m series and it is 13-10 FPS and i said to my self is laptop of 2013 model whats going on here.! 😉
i did 3d tests and it starts with first test, then doing the second one, then the third and then is going too slow and image and sound freezes and you here a bit of noise looping very fast and then reboot by button. )))