G sync monitor5/5/2023 ![]() FreeSync uses standard display scalers, so FreeSync monitors often have many more connectivity options than their G-Sync counterparts, including multiple HDMI ports and legacy connectors such as DVI and even VGA.įreeSync has another connectivity advantage through a feature called FreeSync over HDMI. The proprietary module along with the closed nature of the G-Sync platform makes it more expensive to implement than FreeSync, which I'll explore in more detail later.īoth G-Sync and FreeSync provide the key features of adaptive sync, but due to differences in implementation, there are some features differences as well.Īs G-Sync monitors use a proprietary scaler module, most displays are limited to just DisplayPort and HDMI for connectivity, with only DisplayPort supporting adaptive sync. G-Sync uses a proprietary module from Nvidia in place of the usual display scaler, though it also communicates over DisplayPort. FreeSync uses the VESA Adaptive-Sync standard, a component of DisplayPort 1.2a, along with a variety of off-the-shelf display scalers that support adaptive sync. The implementation of adaptive sync differs between FreeSync and G-Sync. This slide references G-Sync, but it also applies to FreeSync, which works in the same way. At higher refresh rates (greater than 60 Hz), the benefit of adaptive sync is reduced, though the technology still helps to remove screen tearing and stutters caused by frame rate fluctuations. The improvement is especially noticeable in the 40 to 60 FPS range, often giving lower frame rates a similar level of smoothness as 60 FPS on a non-adaptive-sync 60 Hz monitor. This creates a dynamic monitor refresh rate that's synced to the GPU output rate, eliminating screen tearing and stuttering, leading to a smoother and more enjoyable gaming experience. If the game jumps up to 57 FPS, adaptive sync makes the monitor refresh at 57 Hz. If your game is running at 45 FPS, adaptive sync tells the monitor to refresh at 45 Hz. The solution to these issues is adaptive sync, which informs the display when to refresh based on the frame rate produced by the GPU. Switching v-sync on solves screen tearing, as it forces each frame to wait until the display is ready to refresh, but it often leads to noticeable stuttering if your frame rate is fluctuating below the display's refresh rate. Screen tearing is ugly, jarring and annoying during gameplay. With v-sync off, you'll get screen tearing, as a new frame may become ready half way through the display refresh process, leading to both frames being shown at once. This sort of mismatch results in one of two things. For example, if you're playing at 45 FPS, your graphics card is producing frames every 22.2ms when your 60 Hz display wants to update every 16.7ms. Occasionally you may hit a locked 60 FPS, which produces frames every 1/60 th of a second to match a 60 Hz monitor's refresh, but frame rate fluctuations are far more common. The issue with a fixed refresh rate is that when you're playing games, your graphics card isn't always outputting frames at the same interval as your monitor's refresh rate. For 60 Hz monitors, this means the image is always updated every 1/60 th of a second. Traditional monitors (without adaptive sync) have a fixed refresh rate, which sees the display update its image at the same interval regardless of what your PC is doing. Technologyįor those that haven't been keeping up with adaptive sync, here's a quick refresher on what it brings to the table. Initially, Nvidia's G-Sync and AMD's FreeSync significantly differed in their implementation and user experience, but now that both technologies and ecosystems have matured, it's a good opportunity to revisit them to see where the differences lie in mid 2017. Adaptive sync display technologies from Nvidia and AMD have been on the market for a few years now, however it's just recently that it's become more mainstream with gamers taking the plunge thanks to generous selection, a wide variety of options, and monitor budgets.
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