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Ignacio Taranto edited this page Feb 15, 2024 · 42 revisions

This page collects test results for Variable Refresh Rate (VRR) aka. adaptive sync setups seen in the wild.

To add an entry:

  • Enable VRR on your display(s) via output <name> adaptive_sync on (see sway-output(5) for details)
  • Make sure VRR is enabled with swaymsg -t get_outputs | jq '.[] | pick(.name, .adaptive_sync_status)'
  • Play with your desktop for a while, try various apps (text editing, web browsing, video, games)
  • Also play with the backlight level
  • To get the VRR range, you can use: cat /sys/class/drm/card0-DP-1/edid | edid-decode (look for "Display Range Limits")
Screen GPU VRR range Notes
Acer VG270U P AMD RX 480 40-144 Hz No flickering
Acer XF270HU AMD RX 5700 XT 40-144 Hz 2560x1440, no flickering
Acer XV273K AMD RX 6700 XT 48-120 Hz No flickering
AOC Q27G2U AMD Vega 64 48-144 Hz Flickering on transitions between 48-75 Hz
ASUS VP28U AMD RX 550 40-60 Hz Flickering when only terminal open and typing intermittently
BenQ EL2870U AMD RX 580 40-60 Hz No flickering
Dell AW3423DWF AMD RX 6800XT 48-165 Hz 3440x1440, Flickers on the desktop without any input, between 48-74Hz. When moving the mouse/using the keyboard, flickers much more as it transitions from a base of 48Hz to 165Hz on every input. Does not happen on Windows
Dell S2719DGF AMD RX 5700XT 40-144 Hz 2560x1440, Flickering, especially noticeable when moving the mouse. Does not happen on a Windows boot
Dell S2721DGF Intel Iris Xe (1165G7) 48-165 Hz 2560x1440, no issues
Dell S2721DGF AMD RX 5500 XT 48-165 Hz 2560x1440, occasionally flickers at 48 Hz but not 72 Hz.
Dell S2721DGFA AMD RX 6800 165 Hz 2560x1440, no issues
Dell S3220DGF AMD RX 580 48-164 Hz No flickering, but image darkens at higher refresh
Gigabyte M32U AMD RX 6750 XT 48-144 Hz 3840x2160, no issues
Gigabyte G34WQC A AMD Radeon RX 5600 XT 48-144 Hz Noticeable brightness flicker especially with dark backgrounds when typing or moving the mouse
LG 27GL83A-B AMD RX 480 48-144 Hz Very occasional horizontal black bar while typing
LG 27GL83A-B AMD RX 580 48-144 Hz Very occasional horizontal black bar while typing
LG 27GL83A-B AMD RX 5700 XT 48-144 Hz No flickering
LG 27GN800-B AMD Vega 56 48-144 Hz Occasional horizontal black bar
LG 34GN850-B AMD RX 5700 XT 48-160 Hz No flickering
LG 34UC88 AMD Vega 64 55-75 Hz Flickering when typing or when moving the mouse
LG 35WN75C AMD Vega 56 48-100 Hz Noticeable brightness flicker especially with dark backgrounds when typing or moving the mouse
MSI MAG274QRF-QD AMD RX 6750 XT 48-165 Hz 2560x1440 -- occasional intense flickering episodes when outside of games and not moving the mouse
Samsung LC49RG94 AMD RX 580 48-120 Hz 5120x1440, Flickering when moving the mouse.
Samsung C27HG70 AMD RX 6700 XT 48-144 Hz Flickers a lot in the monitor's "ultimate" mode (48-144 Hz), no issues in standard mode (120-144 Hz).