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Why is there no GDDR4? - Page 2

post #11 of 12
I only remember the HD 2900XT having GDDR4.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814103044

hd2900xtfront.jpg
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post #12 of 12
Some cards from the X1000 series -> HD3000 series used GDDR4.
I've also seen some non-reference HD4670s paired with GDDR4.

The reason why it wasn't used much was because it wasn't much faster than GDDR3 overall.
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