Hi, I'm Daniel from RTINGS.com.
NVIDIA recently released an update to their graphics card drivers to allow their 10 and
20 series graphics cards to support variable refresh rates with FreeSync displays.
In this video, we will briefly describe what these technologies are and what this change
means for you.
We'll go over the tests that we are now conducting on FreeSync displays and will also
go over the results from the 25 FreeSync monitors we've tested so far.
You can also see our article linked below to find more results as we continue to test
FreeSync displays.
First, for those who don't know.
Variable refresh rate refers to the ability to dynamically match the refresh rate of the
display to that of the content.
This is especially useful for gamers, where the game's frame rate may vary during demanding
scenes.
This is important, because with a fixed refresh rate display and no synchronization, it causes
screen tearing to occur when the refresh rate of the content is out of sync with the refresh
rate of the display if you don't use VSync which has its own downsides.
You can learn more about this in the article linked below.
There are two main technologies that are marketed with this synchronization feature.
FreeSync, which was developed by AMD, and G-Sync which was developed by NVIDIA.
In the past, use of variable refresh rates has required matching your display and graphics
card with the same technology as they were not compatible with each other.
This pairing of technologies comes with a price, as NVIDIA G-Sync displays typically
retail for a couple of hundred dollars more than their FreeSync counterparts.
On January 15 2019, NVIDIA released an update to their graphics card drivers to allow FreeSync
support with newer 10 and 20 series video cards.
This allows you to make use of variable refresh rates on cheaper and more widely available
FreeSync monitors.
As a result of reader feedback, we decided to add a test for FreeSync compatibility with
NVIDIA graphics cards and have retested the 25 FreeSync monitors we've reviewed so far.
Note that there is a 'G-Sync compatible' certification provided by NVIDIA, of which
only 12 monitors have passed.
We don't know exactly what they test for, but if you have some insight or know of any
others tests you'd like us to perform then please do let me know.
Most of the FreeSync displays we tested performed the same whether used from our AMD RX580 graphics
card or our GTX 1060.
This includes the same variable refresh rate range.
There were a few notable exceptions though.
The current implementation on NVIDIA graphics cards requires a display port connection,
so some FreeSync monitors which only have HDMI like the Acer XF251Q aren't supported.
This also applies for the current Samsung TVs with FreeSync support over HDMI like the
Q6FN which isn't supported.
The Samsung UJ590 monitor experienced constant tearing when used with our GTX 1060, which
we haven't experienced with our AMD graphics card.
The UE590 also experienced strange artifacts.
All of the monitors we've tested that allow you to adjust the overdrive settings for response
time also expose these settings when using FreeSync from a NVIDIA graphics card.
This can be useful to tweak the motion blur and avoid overshoot or smearing artifacts.
Note that this is different to variable overdrive, where the overdrive adjusts dynamically throughout
the FreeSync range for the best motion.
This isn't currently something we test for, but let us know if you think we should.
Some monitors require you to choose a basic or extended FreeSync range for the best performance,
for example the 27UK650 experienced issues with the extended setting but we didn't
have any problems using 'Basic'.
So overall, it does appear that most FreeSync monitors appear about the same whether you're
using them from an AMD or an NVIDIA graphics card.
There are a few exceptions though, so check out our test results to see how your monitor
compares.
We test all of these monitors with our GTX 1060 graphics card.
To enable FreeSync support, open the NVIDIA control panel and under '3D Settings'
click on 'Manage 3D Settings'.
In the list, set 'Monitor Technology' to G-SYNC'.
After this, go to the 'Display' item and click on 'Set up G-Sync'.
You can then enable the 'G-Sync, G-Sync compatible' option.
To test the performance of these modes, we use the freely available Pendulum test which
is linked below.
We adjust the frame rate of the test and look for screen tearing and use this to test the
full variable refresh rate range.
We also take note of any excessive smearing or if there is any flickering.
So that's it!
You can check out the testing article on our website for an up to date list of compatibility,
as well as additional information about how we test.
Let us know if there is anything else we should test for in the comments down below.
Also let us know if you've got a NVIDIA graphics card and have tried this feature
yourself.
If you like this video, subscribe to our channel, or become a contributor.
Thank you for watching and see you next time.

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