Let's begin at the very beginning; thankfully, the concept is not quite as difficult as it seems. Simply said, a display's refresh rate is the number of times in one second that the image being displayed on the screen is updated.
You may picture this by thinking about it in terms of the frame rate used in movies or video games. If a motion picture is shot at a rate of 24 frames per second, then the source content will only display 24 unique images every second. A display that has a display rate of 60Hz will display 60 "frames" per second.
It is not actually frames because the display will refresh sixty times every second even if not a single pixel changes because the display only shows the source that is supplied into it. This means that it is impossible for there to be any frames. Despite this, using the analogy is still a simple method to get a grasp on the fundamental idea that underlies the refresh rate.
Therefore, the ability to support a greater frame rate corresponds to a display that has a higher refresh rate.
Keep in mind that the display can only show what is given into it, and as a result, increasing the refresh rate may not make your experience any better if the frame rate of the source you are using is already higher than the refresh rate you are using.
As a general rule (and particularly on the PC platform), the frames are churned out as quickly as they can be generated. This is done since a faster frame rate typically results in a more enjoyable and fluid gameplay experience. There will be less time elapsed in between each individual frame, and there will also be less latency in the input.
When this occurs, there is a potential for issues to arise since the frames are being created at a pace that is higher than the refresh rate of the display.
If you are playing a game that renders 75 frames per second on a display that only refreshes at 60 frames per second, you may notice something that is referred to as "screen tearing."
This happens because the display, which gets input from the GPU at reasonably regular intervals, is likely to catch the hardware between frames. This happens because the GPU sends input to the display at fairly regular intervals.
As a consequence of this, the screen will tear, and the action will be choppy and uneven. There are a lot of games that give you the option to control your frame rate, but doing so will prevent your computer from being utilized to its best potential.
A faster rate of refreshing the page. This requires purchasing a computer monitor with a refresh rate of at least 120 hertz (Hz). Because these panels are capable of handling up to 120 frames per second, the gaming experience is far more fluid.
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It is also capable of handling lesser V-sync limitations, such as 30 and 60 frames per second, because these numbers are multiples of 120 frames per second. The difference between upgrading from 60Hz to 120Hz or 144Hz is very obvious to the human ear.
In point of fact, it is something that you simply have to witness for yourself, and you won't be able to do so by watching a video of it on a monitor that only has a 60Hz refresh rate.
On the other hand, a variable refresh rate (VRR) is an excellent piece of technology that is gaining a growing number of adopters. The fundamental idea is the same, despite the fact that NVIDIA refers to it as G-SYNC and AMD refers to it as FreeSync.
A display that supports VRR will query the graphics card to determine the pace at which it is providing frames and will then modify the display's refresh rate accordingly. Screen tearing will no longer occur at any frame rate up to the maximum refresh rate of the display as a result of this change.
Now, in terms of how the content is presented to you via the display, the experience of viewing a video is completely dissimilar to that of playing a game.
While the video is being played from its source, a real-time rendering of the game is taking place. Films are typically shot at a frame rate of 24 frames per second, however this can be changed to either 30 or 60 frames per second by simply repeating particular frames.
Despite this, Blu-ray discs may provide a frame rate of 24 frames per second when played on a suitable Blu-ray device. A frame rate that low will almost always cause the screen to flicker, therefore even in these situations, a higher frame rate is recreated in a cadence that duplicates the action that was originally captured at 24 frames per second.
The reason why frame rate is being converted is because modern home screens typically operate at 60 Hz or a multiple of that. YouTube, on the other hand, runs at a frame rate of 60 FPS.
This is the reason why you do not require a monitor with 120Hz, 144Hz, or 240Hz for video.
If the display in question is a monitor, you also have the option of using frame interpolation software, such as SVP (Windows), which will allow you to take use of the smooth motion that this feature provides.
It is common practice for televisions to do this as a default setting; however, you are free to disable this feature at any time if you find that it makes you feel uneasy.
The process known as frame interpolation creates totally new frames in between the ones that are fed by the original information, which is why it gives the impression of being so fluid.
Marketers will frequently inform you that plasma televisions have a refresh rate of 600 Hz. This is correct; nevertheless, because the operation of plasma displays is fundamentally different from that of LCDs, the refresh rate that is referenced in other technologies has actually nothing to do with this at all.
In order to form an image, a plasma needs to rapidly switch on and off each individual pixel. In most cases, this is done ten times per second, and the producers multiply that number by an usual cadence of sixty hertz in order to give the advertised frequency of six hundred hertz.
LCDs frequently struggle with motion blur, also known as ghosting, whereas plasmas are completely free of such issues. This is due to the fact that plasmas refresh far more frequently than LCDs. Plasmas, on the other hand, are a technology that is on its way out, therefore it doesn't really matter anyway.
Here are a few examples of situations where a higher refresh rate display could be beneficial.
Changing to a 120Hz or 144Hz computer monitor makes a noticeable difference in games with frame rates higher than 60 frames per second (FPS), such as Call of Duty: Black Ops II (150 FPS).
For video games, a higher refresh rate display isn't going to make a difference if the frame rate is limited to 60 FPS or if V-sync is enabled.
Watching videos: If you want a smooth video, then installing an app that interpolates frames for your source will benefit from a display with a higher refresh rate.
Frame interpolation can give a video an unnatural appearance, so a faster refresh rate display isn't going to help you enjoy your films more.
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