Nintendo has hit back at concern over the power of the Wii U.

In an interview with the Globe and Mail, US president Reggie Fils-Aime reiterated Nintendo's line about its first high definition console not being about power, but took issue with the suggestion that the Wii U will appear dated when the PlayStation 4 and next Xbox launch - reportedly next year.

At E3 Sony Worldwide Studios boss told Eurogamer he considered the Wii U to be its own generation - and not a competitor to the inevitable PlayStation 4.