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Higher resolution means sharper or more detailed images. Low resolution can cause the pixels to become visible to the human eyes. This is especially evident in [[Virtual Reality]] [[HMD]]s because the user's eyes are positioned very close to the display. Low resolution and low PPI, pixels per inch, can cause the user to feel pixelation and feel like he or she is looking through a screen door.
For truly immersive Virtual Reality, 4K resolution, (3840 x 2160, ) or higher is required. According to [[Plamer Luckey]], found of [[Oculus Rift]], pixelation will not go away completely until at least 8K resolution, (7680 x 4320, ) per eyeis achieved. As of 2015, non of the [[VR Devices|VR HMDs]] have 4k or greater resolution.
==Resolution of Various Devices==
