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This is the demo video you're talking about : http://www.youtube.com/watch?v=vOvQCPLkPt4

Ah yes, I remember this. Worth noting that his device is a projector putting the image on a screen, and I think it's got a lot more computing power behind it than an iPad has available.

The current latency isn't a CPU issue though. I'm not sure of the refresh rate of the iPad (60Hz?) but the hardware has no trouble updating the display in a single frame.

It should be noted that unless Microsoft had a 1000Hz display running, there was something fishy going on with their 1ms update.

It's a custom display purpose built for this demo. I believe that it is 1000Hz.

From this high speed video I took I think the refresh rate is 60Hz (this shows it is at least 60).

http://owenimholte.wordpress.com/2012/03/30/ipad-3-screen-re...

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