Valve publicly reveals the SteamVR test, a new benchmark that lets you check if your system is powerful enough to render VR games. You can download it via the Steam shop.
A VR headset is not required to run the test.
The SteamVR Performance Test measures your system's rendering power using a 2-minute sequence from Valves Aperture Robot Repair VR demo. After collecting the data it determines whether your system is capable of running VR content at 90fps and whether VR content can tune the visual fidelity up to the recommended level. For machines that are not VR Ready the tool can help determine whether capabilities are bound by Graphics Card, CPU, or both.