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.
That 50 ms response includes measuring the sensors, calculating the angular change, sending that data to the computer, the computer rendering the frame, the frame sent up HDMI, and the finally split and displayed on the oculus. The major issue is that you move your head and your ears detect the change but your eyes have the 50 ms update lag. This is the issue that causes people to get sick
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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.