Because of the high-definition graphics of the Wii U and the 854×480 resolution of the Wii U GamePad’s screen, a lot of people have been guessing that the lag time would be incredibly high. However, Ubisoft’s Rayman Legends developer Michel Ancel has confirmed that the GamePad’s screen only has a delay of 1/60 of a second.
This means that the Wii U GamePad receives the image on its screen one frame later than the TV receives its image. This may seem like a huge deal and would put some players at a disadvantage, but one frame is obviously only a split second and most gamers won’t be able to tell the difference. The human eye usually can’t detect anything over 60 frames per second anyway.
Ancel also called the Wii U GamePad “quite a bit more advanced than people think.” He mentioned that the technology used is quite impressive, and other console makers like Microsoft and Sony would have to work fairly hard to get to this level of responsiveness out of a controller. Whether that’s true or not, we’ll have to wait and see what these companies come up with.