Version: 5.6
public static int vSyncCount ;


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 or 2.

Windows Store Apps: It's not possible to disable VSync when DirectX 11 is used due to platform limitations, you can disable VSync if DirectX 12 is used.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Example() { QualitySettings.vSyncCount = 1; } }

See Also: Quality Settings.