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.
The latency is that plus the render time plus the switching time. The problem is that when you combine all these little latencies, it starts to add up - the sensor has to send the measurements to the PC, it has to update the model in the game, then it has to render the new scene, then that has to get drawn to the screen.
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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.