 Nintendo has released few technical details regarding the Wii system , but some key facts have leaked through the press . Although none of these reports has been officially confirmed , they generally indicate that the console is an extension ( or advancement ) of the Nintendo GameCube architecture . Specifically , the analyses report that the Wii is roughly 1 @.@ 5 to 2 times as powerful as its predecessor . Based on specifications , the Wii has been called the least powerful of the major home consoles of its generation . 
