Published in Graphics

More RV770PRO details

by on23 May 2008

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Update: Screenshot


We finally have a screenshot that confirms most of the things that we said about RV770PRO, here. Our sources suggested that ATI is talking about a Radeon 4850 512MB name for this card.

The card at its top frequency works at 900MHz, as we wrote yesterday, and the GDDR3 memory works at 1000MHz. ATI uses power play, a power saving technique that can drop the GPU clock to 500MHz or 625MHz, depending on the power state.

At the same time, the memory also works at three states. The top one is 1000MHz (2000MHz effectively), the second is 993MHz (1986MHz effectively), and the slowest one is 750MHz (1500MHz effectively).

You will need 1.123V to make the chip work.  

Update: After thorough checking, it looks that 900MHz is the top Shader clock.

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Also read

RV770PRO can reach 900MHz

Last modified on 25 May 2008
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