Thread:GVNintendoNMore/@comment-25597400-20150904083740

I refer to the different CPUs as being of "Gen. 1" and "Gen. 2".

Gen 1: The original Wii CPUs in Wii Sports, Wii Sports Resort, and Wii Party

Gen 2: The new Wii U CPUs in Wii Sports Club and Wii Party U. 