V-Sync Settings
Sims 4: You can enable V-Sync by going into the in-game game options > Graphics under Display. Checkmark Vertical Sync.
Since Sims 4 has this option in-game it shouldn't be necessary to set this option via the control panel.
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Nvidia = Manage 3D Settings and look for Vertical Sync. Set that to on/off
AMD = 3D Application Settings and look for Wait for Vertical Refresh - set to on/off
Note: This post has been locked as it's for informational purposes.