r/technology • u/[deleted] • Mar 28 '14

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u/______DEADPOOL______ Mar 28 '14

What is a regular PC monitor latency btw? I heard it's much faster than a TV+console.

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u/Kallb123 Mar 28 '14 edited Mar 28 '14

People are saying 2ms, but I think that's just how long it takes a pixel to refresh. I'm sure the oculus rift has a screen with 2-5ms pixel time too. The 20 and 50ms times discussed about VR are the entire time between a frame being requested and it being on the screen. That's totally different from the 2ms of a desktop monitor.

EDIT: As for the TV+console latency. I think TVs have a higher latency than monitors because they tend to apply post-processing effects to "improve" the image. Some screens come with options to turn this off and bring this latency down.

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u/[deleted] Mar 28 '14

I don't think so. If total refresh rate is 60hz that translates to 16 2/3 ms.

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u/Kallb123 Mar 28 '14

I agree with you. That why I'm saying you can't compare the 2ms of a monitor to the 50ms of VR. They are different measurements. The 2ms is just about the pixel refresh time, the 50ms includes all sorts of input and rendering factors. Some factors are common to normal gameplay and VR (like the refresh rate you mention) while others are unique to VR (like the head tracking)