VRRTest Alternatives

VRRTest reviews and mentions

• Does Linux Mint support FreeSync / Variable Refresh Rate VRR?
  1 project | /r/linuxmint | 9 Dec 2023

  I followed the guide in this post, and it worked for me. I use VRRTest to check if it is working.

• New monitor, few questions
  1 project | /r/linux_gaming | 7 Dec 2023

  I use VRRTest to see if Freesync works. It's easier to see stuttering or screen tearing with that than in games, and if you turn on the refresh rate option on your display it should change when you change the fps.

• Stuttering in Minecraft on new monitor
  1 project | /r/linux_gaming | 12 Jul 2023

  Before, when I had the game in fullscreen on my old 1440p monitor, it would run extremely smooth. As soon as I left fullscreen mode, it would retain 144 fps but start to noticeably stutter, all movement becoming choppy and intuitively less smooth. I always assumed that this was due to freesync working its magic while in fullscreen. Now, with the new monitor, gsync enabled and on 144 fps as well, I get the same stuttery effect in both fullscreen and windowed mode. I tried changing up all the settings in the monitor and even tested with other software if gsync was working properly, which it apparently does. But even in the demo software (https://github.com/Nixola/VRRTest), the movements looked stuttery.

• G sync and monitor flickering
  1 project | /r/archlinux | 11 Jul 2023

  Are you on Xorg or Wayland? If you have 2 monitors on Xorg then gsync cannot be enabled as it can't work across 2 monitors there. You can test this by opening up the nvidia-settings program and going to X Screen -> OpenGL Settings and switching on "Enable Graphics API Visual Indicator". Note that it will only work on newly launched full screen apps. I use this to test: https://github.com/Nixola/VRRTest

• X1C9 panel claims it's vrr_capable. What's the deal with that?
  2 projects | /r/thinkpad | 5 Jul 2023

  But for the love of me I can't verify that it makes any difference. I've looked at https://github.com/Nixola/VRRTest and https://github.com/dahenry/gl-gsync-demo and I can definitely see stuttering, although maybe maybe maybe slightly less in the 50Hz-60Hz range (very subjective and also quite different between Sway and Hyprland).

• Struggling to get rid of stuttering in Windows VM
  1 project | /r/VFIO | 2 Jul 2023

  I don't have any stuttering in most of the games and even the freesync is working through looking-glass (tested using VRRtest running in the VM https://github.com/Nixola/VRRTest), but I do have some minor stuttering in Diablo 4 (and it doesn't matter whether I use looking glass or not, it just stutters slightly).

• Nobara 38??
  2 projects | /r/NobaraProject | 28 May 2023

  Done: * Extensively test using VRRTest. (https://github.com/Nixola/VRRTest) * Test heavy OpenGL apps. * Test heavy Vulkan apps. * Test an "extend" multi-monitor configuration which combines VRR and non-VRR monitors. * Test a "mirror" multi-monitor configuration which combines VRR and non-VRR monitors. * Test clients that use subsurfaces*.

• [GNOME Shell & Mutter] Red Hat's HDR Hackfest was a Huge Success
  1 project | /r/linux_gaming | 5 May 2023

  If you want to test it in a controlled environment you can play around with VRRTest.

• How to tell is adaptive sync is working KDE on Nvidia Wayland
  1 project | /r/kde | 29 Apr 2023

  It'll only be smoother when the refresh rate drops below the maximum. For testing that in a controlled manner, you can use VRRTest: https://github.com/Nixola/VRRTest

• Freesync Brightness Flickering at certain fps ranges
  1 project | /r/linuxquestions | 10 Mar 2023

  I have been having issues with Freesync on my Monitor. It is most noticeable in Games, but I have also seen it on the desktop or the login screen. When I have Freesync enabled, in X11 and Wayland, I get weird flickering that looks like rapidly changing screen brightness. In Elden ring for example the flickering it is pretty much constant, except for Wayland where it only starts after some time. The game is locked at 60 fps. And when I use VRRTest (https://github.com/Nixola/VRRTest) the flickering starts when lowering the frame rate below my monitors refresh rate. Although it only seems to occur at certain fps ranges. It is the worst at around 60 fps. I also don't know if Freesync is even properly working, everything seems to indicate that it does, and the issue only occurs when it is enabled, but the monitor OSD does not show a change in refresh rate as it does under windows. Maybe it's just a bug in the monitors firmware, but I don't know.

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