He's right Greg, i can run setting in BF4 that fills my 2GB VRAM to the point where its not enough, a GTX 770 is a faster card than mine.
See here http://forums.overclockers.co.uk/showpost.php?p=25518151&postcount=30
Thats Strange, I run bf4 at ultra settings at 1920x1200 and dont have any vram issues. Infact the game runs just as well as bf3 does.