Stalker call of pripyat gpu upgrade

[adam202]

I have an nvidia 7900gto stock, I would like to run this game max settings at 1280 x 1024 what would I need to do so. I have a 100 dollar budget.

Specs
Amd dual +4400 oc'3.1
2GB ram
windows xp

 

[sabot00]

4850:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814131163&cm_re=4850-_-14-131-163-_-Product

 

[adam202]

Best answer selected by adam202.