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Old 09-05-08   #1
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RV770 GDDR5 supports 512-bit


The fastest of ATI's two upcoming chips, the RV770XT, will offer support for two cool memory marchitectures. One is GDDR5, a very fast memory, and the second is 512-bit memory interface.

We are getting back to the memory controller of R600, but possibly significantly improved, and this time the chip can cope with GDDR5 while the previous controller could only cope with GDDR3 and GDDR4.

As GDDR4 didnít really get these cards any faster, ATI decided to go for GDDR5. We believe this is the future and this definitely makes the RV770 a bit bigger than the RV670 and this will be the most significant difference between the chips.

The launch date still remains June, with volume availability in July and onward.

RV770 GDDR5 supports 512-bit
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