Since last December, GeForce Now subscribers have been able to stream games in 4K HDR at 60 frames per second through the premium RTX 3080 tier, but only on Nvidia's Sheild TV. Other devices were limited to a maximum resolution of 1440p, though at 120fps.
https://www.techspot.com/news/94481-geforce-now-brings-4k-cloud-gaming-pc-mac.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/94481-geforce-now-brings-4k-cloud-gaming-pc-mac.html?utm_source=dlvr.it&utm_medium=blogger