If you running at 144 the frame rate drops to 72 whenever the game can't maintain it. Carmack says when this happens in VR it's like being kicked in the head but they can't disable Vsync because tearing is even worse.
Unless you triple buffer but which adds its own problems, including more latency. But this tech is also about the feel -- even at the 'same' frame rate the subjective impression is of a much smoother game. For obvious reason this can not be captured in a video so it's tricky to sell, they have to show it you in person.
Unless you triple buffer but which adds its own problems, including more latency. But this tech is also about the feel -- even at the 'same' frame rate the subjective impression is of a much smoother game. For obvious reason this can not be captured in a video so it's tricky to sell, they have to show it you in person.
Their slide showing vsync lag:
http://images.anandtech.com/doci/7432/NVMontreal-097.jpg
Anand has some of his personal impressions posted already:
http://www.anandtech.com/show/7436/nvidias-gsync-attempting-...
"I can't stress enough just how smooth the G-Sync experience was, it's a game changer."