Solve : a little advise for graphic card..please..?

1.	Solve : a little advise for graphic card..please..?
Answer» ok, i just confuse,should i buy a 512mb/256bit or 1gb/256bit? which one have stunning graphic and i should pick what??Naturally, the one with higher NUMBERS. What are their model numbers?well, i'm thinking about GETTING the asus 9800gtx+ 512mb/256bit, but i saw many graphic cards that are higher (1gb/256bit) with cheaper price than the asus.That what make me wondering why..but i think i will GET that asus :)SOON..

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