Dual-card graphic cards made up just $28.4 mln in sales during Q2 2006, or just 0.48% of the $5.883 bln of desktop graphics sales in Q2 2006, according to Jon Peddie Research. In 2005, dual-card setups have generated $86.2 mln in sales, an average of $21.6 mln per quarter. 52.29 mln desktop graphics devices shipped in Q2 2006.