According to GameSpot, the DS reached its milestone in 194 weeks, while the Wii took 102 weeks. Both devices broke the record for fastest-selling console to reach 1.5 million and 750,000 units sold, respectively.
The previous holder of both records was PS2.
A spokesman from industry data tracker GfK Australia told GameSpot that PS2 took "over 200 weeks to break 1.5 million units sold, and 136 weeks to meet the 750,000 mark". Currently, the PS2 has a total installed base in Australia of 2.4 million consoles.
The week beginning November 10th proved to be a particular good week for Nintendo, with the Wii selling more than 35,000 units around Australia.
Wii Music also sold well in the week, selling more than 28,000 copies and beating Activision's Guitar Hero World Tour in the overall top 10 chart.