I suck at BF4, so doesn't matter what frames I aim for, as even at 200 fps, I get owned
It just makes everything so fluid. Prior to G-Sync, I always felt that my gaming was super smooth and no tearing. Linus and Ryan both were at the nVidia tech thingy and both claimed it as a game changer.... I thought "usual PR hype" but I will go with it and as time went on, I found myself with a very good IPS 1440P and playing games like BF4 was awful. Input lag from slow response times and tearing were really noticeable after coming from a 120Hz Asus. i switched it back to the Asus for BF4 and stuck with the Dell on V-Sync for games like TR (which did look very good on IPS's deep colours.
I then grabbed the Samsung 4K and again, the picture quality was out of this world but tearing was the major problem or input lag with V-Sync. A couple of months later I finally caved in and grabbed the G-Sync ROG Swift and I go back to Linus and Ryan and have to agree that it is a game changer. When the moni manufacturers get Freesync capable monitors out and AMD have the drivers for it, you AMD users are in for a real treat and you will see what your eyes are trying to tell you that you don't see because you won't see it any longer