The VSync Count.
The number of VSyncs that should pass between each frame. Use 'Don't Sync' (0) to not wait for VSync. Value must be 0, 1, 2, 3, or 4.
using UnityEngine;
public class Example : MonoBehaviour { void Start() { // Sync framerate to monitors refresh rate QualitySettings.vSyncCount = 1; } }
See Also: Quality Settings.