![]() At such intense moments, a bigger drop in frames (and thus more delayed response) is registered. These delays are often not noticeable, but if you are playing games that require quick reflexes, it could simply pull you out of the immersion.Īlso, when you view scenes that require excessive graphics resources and the frame rate comes down below the refresh rate, the graphics processor brings it down further to sync with the preferences of the monitor. When GPU stops transmitting more frames to the monitor, your inputs, such as mouse clicks and key-presses, might get slightly delayed. ShortcomingsĮnabling VSync introduces some issue of its own. VSync can handle this situation by capping the FPS to the monitor’s refresh rate and thus unloading the extra strain on the graphic processor. This could cause the processor to overheat, as it works super fast to create hundreds of frames per second. Since modern CPUs/GPUs are too powerful to run vintage games, they render old scenes at very high frame rates. VSync can also be useful in other applications, specifically in old games, where the processor overpowers the graphical requirement. When correctly implemented, it completely eliminates the screen tearing and promotes more fluid, smoother gameplay. In other words, VSync brings your graphics processor down to the same level as your monitor, allowing them to work better in unison with fine-tuned cohesion. To do this, VSync freezes the game engine or buffers the frames until the screen is ready to show the next frame. It fixes the syncing issue by matching the graphics processor’s frames with the monitor’s refresh rate. The obvious solution is to buy a monitor capable of displaying high frame rates, but not everyone can afford that. It is still very annoying, and it degrades the overall gaming experience. ![]() But since pictures are registered vertically, you won’t see tearing up and down the screen. The screen tearing is mostly visible when the camera moves horizontally. Screen tearing as seen in Battlefield 3 | Image credit: NVIDIA This causes ‘screen tearing,’ where the picture appears to be cut in half. In this case, the monitor struggles to keep up with the flow and results in synchronization disorder between two frames. ![]() The issue arises when the graphics processor starts producing more frames than the monitor can handle for instance, 90 FPS on a 60 Hz monitor. Now that you understand how images are rendered on the screen, here comes the actual problem. For example, a 60 Hz monitor can display up to 60 FPS. The maximum number of frames a monitor can display in one second is called its refresh rate, which is usually measured in the unit of Hertz (Hz). The monitor always tries to keep up with the frames that your graphics processor outputs every second. The higher the FPS your graphics can produce, the smoother your gaming experience.Įven if you are not playing games or watching videos, the display still needs to update so you can see what you are typing, where the mouse cursor moves, and so on. This results in a rapid slideshow of the frames, which gives the appearance of animation, similar to a flipbook. These frames are then sent to the monitor to process. It creates multiple frames per second (FPS). When you play a game or watch a movie, your graphics processor is commanded to render a 3D image (full drawing or frame) as quickly as possible. The article you are reading at this moment is drawn by your graphics processor. In both cases, the processor ‘paints’ visuals on the monitor. Your computer renders graphics to the screen using either an integrated graphic (CPU) or a dedicated graphics card (GPU). Why Is VSync Required?įirst, we need to understand how graphics are processed on a desktop or laptop. This synchronization eliminates frame rate stuttering and screen tearing to deliver a smooth, uninterrupted gaming experience.īut how does it work? What are its benefits? Should you turn this option on or off? To answer these questions, we need to learn more about VSync. It forces the graphics processor’s frames to match (or sync) with the refresh rate of the monitor. Short Description: VSync stands for Vertical synchronization. It’s called VSync, and it very hard to guess what it actually does and why this option is provided. If you are an intense gamer, you may have come across a confusing option in graphics settings.
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