The real reason Wii U is considered "underpowered"?

[AnthonyW86]

WhiteEaglePL said:
Its a stupid reason.

The wii U currently has the most 1080p 60fps games and more are coming (mk8 confirmed to be , unless more than 2 players or something.)

Xbox One/ PS4 could run any Wii-U version of a game in 4k resolution.... PS4 with room to spare.