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Frame rate

Frame rate is measured in frames per second (FPS). It is a measure of how many frames your graphics card (GPU) can send out to the display every second.

In order for virtual reality or mixed reality applications to perform well and not cause discomfort (Motion sickness and Cyber Sickness), especially if scenes contain movement, it is recommended to try to achieve as close to 90 frames per second as possible. For static scenes, 60 frames per second can be sufficient for shorter durations (a few minutes).

To reach these kinds of frame rates consistently, a powerful PC and typically the latest generation of VR supported graphics cards are required. Nowadays, PC hardware requirements for VR and XR headsets can be significantly reduced by leveraging cloud-based computing solutions such as Varjo Reality Cloud.

The term refresh rate is sometimes used interchangeably with frame rate, but the two are not the same thing, even if they are closely related. Where frame rate tells you how many frames your computer can send to display, refresh rate dictates how often your display itself is capable of renewing the displayed image.

No matter how powerful of a graphics card you have, it will not matter if the headset itself does not have a high enough refresh rate to display those frames. Generally speaking, a refresh rate of 90 Hz is optimal. A refresh rate lower than 90 Hz can increase the likelihood of virtual reality content causing eye strain or nausea. All Varjo XR-4 Series headsets and the Varjo Aero all have a refresh rate of 90 Hz.

Additional resources


XR-4 and XR-4 Focal Edition are available in our web store and through selected Varjo resellers to business customers in nearly 40 countries.


Private customers can order Aero through our selected Varjo resellers. Shipping to EU, Canada, Iceland, Norway, Switzerland, United Kingdom and United States.


Business customers have access to our full product range.


Private customers can order Aero through our selected Varjo resellers.