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inmytaxi
175
Oct 19, 2017
If you have a certain brand of video card (AMD), Freesync locks the information coming to the screen to the same speed as the information coming from the video card.
Without freesync (or the competing version, G Sync for Nvidia video cards - which adds a $200 licensing fee to the cost of the screen), the information can get mismatched . As an example, the top half of the screen might produce an earlier or later image than the bottom half of the screen, resulting in distorted images.
This results in something called tearing, and obviously can be annoying if it happens often enough.
In practice, tearing usually happens to a strip in the middle of the screen being out of sync.
This is only an issue if you are playing graphics intensive video games. I have never seen screen tearing in a movie or other type of video, although in theory I guess it is possible.
There is a new version of Freesync, called Freesync 2. As the name implies, Freesync does not charge a licensing fee.
In my experience with a high refresh rate screen (144 hz), tearing is rarely an issue. But if you get a 60 hz monitor, you will want to have G Sync, or G Sync 2 which I think is also coming out.
I recommend the 34" 4k G Sync from Asus PG348Q. But it's pricey, the exttra money is just for the G Sync compared to this one.
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