This does limit your framerate exactly to the refresh rate. This tells your GPU to synchronize its actions with the display, which forces it to render and send a new frame when the monitor is ready to redraw the screen.
To prevent screen tearing, you can enable a feature called Vertical Synchronization, or VSync. It is important to note that screen tearing does no damage to a display or graphics card. If the frame rate your computer is producing is different (either higher or lower) that the refresh rate of your monitor, you may experience a glitch known as screen tearing, where information from two or more frames is shown in a single screen draw. However, when you’re actually playing a game, the display’s refresh rate does effectively limit the frame rate – if you have an 80hz display and your computer is capable of outputting 120 FPS, your screen will still only be able to show 80 different images per second. In this case the monitor’s refresh rate doesn’t matter because the frame rate is just used as a number to measure the gaming performance. This means that you can only take advantage of the 120Hz refresh rate if your use DisplayPort you’ll be stuck at 60Hz if you use HDMI.įrame rate is typically used as a gaming benchmark for measuring the performance of hardware, drivers, games and APIs like Vulkan and DirectX. For example, some gaming monitors feature 120Hz refresh rates, but have HDMI 1.4 and DisplayPort 1.4. Read our blog post on DisplayPort vs HDMI vs DVI vs VGA to learn about the pros, cons and limitations of the different types of connections.
DESKTOP FRAME RATE TEST PC
It’s also important to remember that even if your gaming PC is capable of generating 90 FPS in your favorite game at your preferred settings, and even if your monitor supports 90Hz, 120Hz or more, you could still be capped by the lower refresh rate capabilities of the ports on your graphics card and display. However, if your FPS is higher than your refresh rate, your display will not be able to display all of the frames your computer is producing, so although the refresh rate doesn’t technically limit the frame rate, it does effectively set a cap. The refresh rate (Hz) of your monitor does not affect the frame rate (FPS) your GPU will be outputting. Remember that FPS is how many frames your custom gaming PCs is producing or drawing, while the refresh rate is how many times the monitor is refreshing the image on the screen. A refresh rate of 85Hz means that your display can redraw the entire screen 85 times in one second.ĭoes that mean that your frame rate is limited by your screen’s refresh rate? No they are two separate things. Refresh rate is measured in frequency (Hz) which is the number of times per second your monitor can redraw the screen. Your monitor or display is where refresh rates come in. The more powerful your CPU and GPU, the more frames they are able to generate per second. Then your GPU cuts this image into pixels at the resolution you set and sends this information to the display. To produce, or render, a new frame your CPU and GPU work together to determine the actions of the AI, the physics, positions, and textures of the objects in the scene to produce an image. The frame rate is how many of these images are displayed in one second. Most people know that higher FPS is better, but let’s clear up some common misconceptions with FPS and refresh rates.įirst, what is a frame and what determines the frame rate? A frame is a single still image, which is then combined in a rapid slideshow with other still images, each one slightly different, to achieve the illusion of natural motion. Frame rates are measured in FPS or Frames per Second.
When comparing the performance of two custom gaming PCs, we often look at the frame rates each computer is capable of producing in a certain game at the same resolution and graphics quality.
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