On the 19th of March 2019 Google revealed a new game streaming service titled Stadia. This service will deliver 4k at 60 frames per second – at the beginning. An 8k version with 120FPS was also already announced. Pricing though, like gaming details won’t probably be announced before the E3 2019.
Attached is the “Stadia Official Reveal” Trailer:
Stadia Game Blog 