HTC Vive minimum requirements:

• Graphics: NVIDIA GeForce GTX 1060 or AMD Radeon RX 480, equivalent or better
• Intel Core i5-4590 or AMD FX 8350, equivalent or better
• Memory: 4 GB RAM or more
• Video out: HDMI 1.4, DisplayPort 1.2 or newer
• USB ports: 1x USB 2.0 or higher port
• Operating system: Windows 7 SP1, Windows 8.1 or later, Windows 10
• Room-scale: 6’6’’ x 5’ min. room size, 16’4’’ max. between base stations

HTC Vive PRO minimum requirements:

• Graphics: NVIDIA GeForce GTX 1060 or AMD Radeon RX 480, equivalent or better
• Intel Core i5-4590 or AMD FX 8350, equivalent or better
• Memory: 4 GB RAM or more
• Video out: DisplayPort 1.2 or newer
• USB ports: 1x USB 3.0 or higher port
• Operating system: Windows 8.1 or later, Windows 10
• Recommended graphics for best experience: NVIDIA GeForce GTX 1070 / Quadro P5000 or above, or AMD Radeon Vega 56 or above

Oculus Rift minimum requirements:

• Graphics: NVIDIA GTX 1050Ti or AMD Radeon RX 470, or greater
• Intel Core i3-6100 or AMD Ryzen 3 1200, FX4350, or greater
• Memory: 8 GB RAM or more
• Video out: Compatible HDMI 1.3 or greater
• USB ports: 1x USB 3.0 port, plus 2x USB 2.0 ports
• Operating system: Windows 8.1 or newer
• Recommended graphics for best experience: NVIDIA GeForce GTX 1060 or AMD Radeon RX 480 or greater
• Recommended CPU for best experience: Intel i5-4590 / AMD Ryzen 5 1500X or greater
• Recommended USB ports for best experience: 3x USB 3.0 ports plus 1x USB 2.0 port

Google Cardboard minimum requirements:

• Compatible Android phone running Android version 4.1 or higher
OR

• Compatible iPhone running iOS version 8.0 or higher