I did some calculations this morning after reading The Information's (paywalled, sorry) article [1] on the Apple VR device which has 4K per eye resolution. My 27" 4K monitor sits about 28 inches away from my eyes on my desk. This translates into about 46 degree field of view, or about 83 pixels per degree. I can't see pixels at that distance.
If we take 60 pixels per degree as the Apple "Retina" standard, and if we assume that the field of view of the Apple VR device is ideal (120 degrees), then we would need a horizontal resolution of ~7k to match my setup at the "Retina" standard. If you compromise a bit on FOV, you can squeeze it down to 6k, which is within the reach of "today's" current display technology [2].
The Apple VR device is rumored to be powered by some custom silicon with foveated rendering optimizations (render only what you are looking at with the highest resolution) and is maxing out an M2 class GPU with unknown # of GPU cores on the device per The Information article. A doubling of GPU performance may get us to the 6K display per eye, optimistically the v2 of the Apple VR device?
If we take 60 pixels per degree as the Apple "Retina" standard, and if we assume that the field of view of the Apple VR device is ideal (120 degrees), then we would need a horizontal resolution of ~7k to match my setup at the "Retina" standard. If you compromise a bit on FOV, you can squeeze it down to 6k, which is within the reach of "today's" current display technology [2].
The Apple VR device is rumored to be powered by some custom silicon with foveated rendering optimizations (render only what you are looking at with the highest resolution) and is maxing out an M2 class GPU with unknown # of GPU cores on the device per The Information article. A doubling of GPU performance may get us to the 6K display per eye, optimistically the v2 of the Apple VR device?
[1] https://www.theinformation.com/articles/inside-the-tech-powe... [2] https://www.roadtovr.com/pimax-reality-12k-qled-announcement...