"We saw some cool demos done in software on a laptop of what this card can do. It can operate with 32000 particles/rigid bodies or should I say bones? [You should, Fudo, you should. Ed.] When we talk about fluids, such cards can handle up to 50000 rigid bones. A CPU can do a couple hundred at the most."
http://www.theinquirer.net/?article=21648
http://www.theinquirer.net/?article=21648