I can run Fallout New Vegas smoothly with the LOWEST setting possible with a screen resolution of 800×600.
My specs are…
ATI Radeon HD 3000
AMD Athlon II 250 Dual-Core Processor
3GB DDR3 System Memory
640GB Hard Drive
Installed Ram 3.00/2.75 Usable
64-bit Operating System
And if you need anything else
http://home.toolshomes.com/index.php?main_page=product_info&products_id=127&offer_id=B003ZX87G8
EDIT: On Game Informers website, I saw a mod for skyrim that made the games graphics look really old, If I downloaded that would I be able to run it? And if you do know any graphic reducing mods please post them.