Because the GPU rate is not fixed to the display rate, the GPU will effectively swap the next frame that has finished rendering mid-refresh. For the best performance, you want both to be high.ДЄs we can see, when the tear occurs, we see the bottom half of the object looking as if it moved forward, while leaving the original part behind. At the end of the day GPU -> FPS, Display -> Hz. When the FPS and the Hz differ, you can experience effects like tearing, but we will get into that later. A good way to think about FPS is: вЂhow many frames, on average, does the GPU complete per second.вЂ™ There are displays that can vary their refresh rate, but as a simplification here, we'll assume a constant refresh rate display.ДЇPS is typically a rolling average over many seconds since frame times are not consistent from frame to frame.

60Hz is 60 times per second, 144Hz is 144 times per second, and so on. Hz on the other hand generally a constant rate and does not vary based on scene complexity. This variation in frame time is caused by differences in the complexity of the 3D scene being rendered - for example, an explosion in one scene may take more time to render than the prior scene. The GPU can complete frames faster or slower than the display can show them.

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