![]() G-Sync is the first serious attempt at tackling the issue." "Developers are pushing new frontiers in rendering technology, but the way displays work have forced us either to accept immersion-killing v-sync judder or eye-rending screen-tear. ![]() The screen refreshes according to the speed of the GPU, with maximum refresh on the Asus monitors we saw locked to a high bound of 144Hz. ![]() The result is that there are no more duplicate frames rendered on-screen, meaning no judder. Rather than locking to a set 16.67ms refresh, the screen kicks off its update when prompted by the GPU. G-Sync solves the issue at a hardware level by allowing the GPU to take control of the timing on the monitor. Other intriguing technologies - including frame-rate upscaling, which mimics the frame-rate smoothing effect seen on HDTVs - have also been investigated but haven't been implemented in a shipping game. On console, the general trend is to lock at 30/60fps, and to drop v-sync when the frame-rate falls beneath, introducing screen-tear only when absolutely necessary. Various solutions have been attempted across the years. This causes a phenomenon we simply can't abide: screen-tear. The alternative right now is to pump frames out to the display as soon as they are ready, mid-refresh. That's the fundamental problem with games that run with v-sync - if that time interval isn't met, judder creeps in. If the games machine has a frame ready, it can synchronise with the display, but it absolutely needs to have the next frame ready in the next 16.67ms period, otherwise it will have to wait another 16.67ms for the next refresh. On a typical 60Hz display, the screen refreshes every 16.66ms. It's a phenomenal achievement that drew praise from three of the most celebrated names in video game technology: id software's John Carmack, Epic's Tim Sweeney and DICE's Johan Andersson, all of whom were on stage at Nvidia's reveal event to sing the praises of the new tech.Ī fundamental problem facing gaming is that the monitor operates on a clock that is separate and distinct from your console or PC. Dubbed "G-Sync", it's a combination of a monitor upgrade working in concert with software that is exclusively available only from Nvidia's Kepler line of graphics cards. Nvidia has revealed new technology that eliminates screen-tear from PC gaming forever. ![]()
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