no... they cut pipelines so they can make lower end models
it wouldnt be cost effective to make the gts and gtx physicly different
they just lower clocks via a new bios and cut some pipelines
i was looking on gpureview. the card is at this link: http://www.gpureview.com/GeForce-8800-GTS-card-475.html and it states under advanced options theres pipelines and then theres the button. Granted it says not guaranteed to work figured id give it a try.