Which video card is better
this one
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1244482&CatId=0
this one
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1212072&CatId=0
or this one
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1339389&CatId=0
and if u guys can tell me the difference between them
this one
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1244482&CatId=0
this one
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1212072&CatId=0
or this one
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1339389&CatId=0
and if u guys can tell me the difference between them