I came to the same conclusion (~85ms for the iPhone4s) in my own benchmark about a year ago, using Mobile Safari: http://phoboslab.org/log/2012/06/measuring-in

I came to the same conclusion (~85ms for the iPhone4s) in my own benchmark about a year ago, using Mobile Safari: http://phoboslab.org/log/2012/06/measuring-input-lag-in-browsers http://phoboslab.org/log/2012/06/measuring-input-lag-in-brow...