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NVIDIA: G-SYNC Validation Runs into 94% failure rates
Ever since NVIDIA opened up Adaptive-Sync in their drivers as G-Sync (compatible) the display monitor vendors can get a G-Sync label and validation. In order to get that G-Sync label, the monitor manufacturers need to submit their display to NVIDIA for testing.
As it turns out, quite a number of monitors submitted to NVIDIA, do not pass their certification test. NVIDIA obviously sets the criteria for these test but roughly 95 percent of the currently 475 models tested, failed.
Nvidia presented a list of 14 compatible screens, to which the company validated G-Sync compatibility at CES; then in April, that number grew to 17 models. Here at Computex Nvidia claims 28 models that meet their requirements. You do need to remember that for g-Sync Ultimate, for example, HDR at 1000 nits is required. So if it was 600 nits (which is great) it would still fail that validation.
In total Nvidia states 536 monitors have Adaptive Sync support, 503 of which could be tested. For more than half of the displays, the variable synchronization simply covers too small a variable refresh rate range, according to Nvidia.
With GeForce RTX graphics cards delivering high levels of performance in the latest titles, such as Apex Legends, Murderhaw, Rage 2, and World War Z, our review has shown that gamers buying displays with VRR refresh rates that max out at 75Hz the majority of their time gaming VRR.
For G-SYNC Compatible displays, we saw the maximum refresh rates during testing, and the breakdown of passes and fails: over 300 failed monitors had a max 75Hz refresh rate or lower, and / or super slim VRR ranges, only 3 monitors that 120Hz, and the majority of the others have a refresh rate of 144Hz or higher. However, 76% of these higher refresh rates are G-SYNC Compatible monitors at 1920x1080, limiting game detail and clarity.
For the remaining 230 displays, 202 were failed specific image quality tests or had other problems. Among them, flickering.
To sum it up:
- 28 passed
- 202 failed for image quality or “other” issues
- 273 failed for having insufficient Variable Refresh Rate ranges
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liviut
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Posts: 179
Joined: 2006-05-22
Senior Member
Posts: 179
Joined: 2006-05-22
#5674933 Posted on: 05/30/2019 11:01 AM
I have an Alienware AW2518HF the one with freesync, it's not g-sync validated but i never noticed any issue with using gsync compatible on it, i would call this bullshit, but well maybe i'm not seeing if i have any problems or something like that, i use gsync compatible from the first driver they introduced it, and i never noticed any flickers or i dont know whatever problems.
I have an Alienware AW2518HF the one with freesync, it's not g-sync validated but i never noticed any issue with using gsync compatible on it, i would call this bullshit, but well maybe i'm not seeing if i have any problems or something like that, i use gsync compatible from the first driver they introduced it, and i never noticed any flickers or i dont know whatever problems.
nevcairiel
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Posts: 781
Joined: 2015-05-19
Senior Member
Posts: 781
Joined: 2015-05-19
#5674934 Posted on: 05/30/2019 11:07 AM
Flickering issues can be inconsistent, and sometimes only occur under certain image conditions. They have special test scenarios designed to provoke such problems more commonly then they occur in real games. But of course that doesn't mean it never happens in real gaming.
Some people also don't perceive some types of flicker that much, in other people it just causes headaches without being obvious to "see". So there can be a range of issues that not everyone is even susceptible to equally. I wish I could see their reasons for failing a screen, but for obvious reasons they are not going to publish that.
Personally, I applaud their efforts of testing and validating every possible screen ever. Reviewers have in the past not been that great at checking Adaptive Sync support/behavior.
Flickering issues can be inconsistent, and sometimes only occur under certain image conditions. They have special test scenarios designed to provoke such problems more commonly then they occur in real games. But of course that doesn't mean it never happens in real gaming.
Some people also don't perceive some types of flicker that much, in other people it just causes headaches without being obvious to "see". So there can be a range of issues that not everyone is even susceptible to equally. I wish I could see their reasons for failing a screen, but for obvious reasons they are not going to publish that.
Personally, I applaud their efforts of testing and validating every possible screen ever. Reviewers have in the past not been that great at checking Adaptive Sync support/behavior.
alanm
Senior Member
Posts: 10546
Joined: 2004-05-10
Senior Member
Posts: 10546
Joined: 2004-05-10
#5674938 Posted on: 05/30/2019 11:24 AM
What goes on in Nvidias monitor testing lab.
What goes on in Nvidias monitor testing lab.
Cave Waverider
Senior Member
Posts: 1221
Joined: 2010-07-25
Senior Member
Posts: 1221
Joined: 2010-07-25
#5674941 Posted on: 05/30/2019 11:36 AM
I think I've read that Nvidia also requires that the monitor has VRR enabled out of the box for Gsync compatible certification. This eliminates all the monitors that have a switch/OSD setting to turn the feature on and come off by default (which apparently many monitors do), even if they happen to work flawlessly once it's enabled. Many also don't have the required range for certification (but one can adjust that with CRU usually). Small things like that probably factor in for so many monitors failing certification.
I think in the long haul the certification standards are a good thing, as they will inspire display manufacturers to raise their standards.
I think I've read that Nvidia also requires that the monitor has VRR enabled out of the box for Gsync compatible certification. This eliminates all the monitors that have a switch/OSD setting to turn the feature on and come off by default (which apparently many monitors do), even if they happen to work flawlessly once it's enabled. Many also don't have the required range for certification (but one can adjust that with CRU usually). Small things like that probably factor in for so many monitors failing certification.
I think in the long haul the certification standards are a good thing, as they will inspire display manufacturers to raise their standards.
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That's exactly why I still don't consider upgrading my monitor - with its "forced" refresh rate of 65 Hz (1080p), an old school, 24 inches IPS Acer gets me "there", into the virtual reality. Early adopters will be biting the dust again...