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4-16x is an exaggeration. I've tried headsets that are 2x higher resolution than the Rift (i.e. 2k x 2k per eye), and I could view text the same size as my monitor renders.

No doubt 4-16x resolution would be nice, though. True "retina" screens are still at least a decade away.

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But would it need to be a true "retina" screen? The Hololens has cameras that track where your eyes are focused, so the laser image could have a "fovea" that moves with your eye movements so as to retain a high focus region just at the spot you're looking at.

That solves the graphics card horsepower issue. You still need a lot of pixels even if you're not driving all of them at high resolution all the time.

Depends on your preference I suppose. For me it needs to be at least 4x the density of the oculus.

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