Which Card is better in these 2 ????:

sunny9874704905

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Sep 19, 2009
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The XFX HD 4870[http://www.newegg.com/Product/Product.aspx?Item=N82E16814150436]

AND
The XFX HD 5770[http://www.newegg.com/Product/Product.aspx?Item=N82E16814150447] ARE THe Same Price.

169$. But One of the the 5770 has 128 bit memory interface and the othe one has 256 bit interface. Please check the link guys, and tell me which one has better capability?????