Oculus Link beta now permits you to play Rift games in your Oculus Quest, however provided that you have bought an Nvidia GPU
NVIDIA's New Titan X Card is the VR-Boosting Beast We'd Expect
EVGA GeForce GTX TITAN X - Graphics Card | Alzashop.com
The Hobbit gets Oculus Rift experience powered by GeForce GTX Titan X - VideoGamer.com
▷ MSI GeForce Titan X 12288MB GDDR5 PCI-Express… | OcUK
Amazon.com: EVGA GeForce GTX TITAN X 12GB HYBRID GAMING, "All in One" No Hassle Water Cooling, Just Plug and Play Graphics Card 12G-P4-1999-KR: Computers & Accessories