Nintendo has moved a LOT of hardware since they started selling game platforms. Nintendo's most recent financial report confirms that the company has sold 727.65 million units of hardware, with 300.54 million units in consoles, and 427.11 million units in handhelds.
Nintendo Home Console Sales (all numbers in millions)
NES — 61.91
SNES — 49.10
N64 — 32.93
GameCube — 21.74
Wii — 101.63
Wii U — 13.56
Switch — 19.67
Total: 300.54 million
Nintendo Handheld Sales (all numbers in millions)
Game Boy — 118.69 (includes Color)
Game Boy Advance — 81.51
DS — 154.02
3DS — 72.89
Total: 427.11 million