>>399712527
>VR at 144HZ in with 120fps
Refresh rate and fps should be equal for VR.
>Could you post a rendered image of a scene you expect to run 
Depends on the requirements. 
With a static scene you can just precompute (aka prebake) everything, so it's not that much different from just rendering models with basic textures.
For truly dynamic scenes that is just not possible. 
I'm personally consider interactivity to be most important, the graphics are second.

>>399712464
>You do realize that's what video games are, right?
Just like I've said, I'm all for solving technical problems creatively, but, for most devs, that is a lost art at this point.