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[dvHW] ATI RV770 PRO has 256-bit memory bus - Page 2

post #11 of 38
I believe the original rumour was that 512-bit width came with GDDR3.
When GDDR5 becomes avaible, it would have 256-bit memory interface.

512-bit along with GDDR5 doesn't make any sense at this point and would probably give very little performance increase anyway.
Would also cost your both legs.
post #12 of 38
They aren't doing another 512bit interface, it was too expensive to implement and they are loosing money as it is.
post #13 of 38
Quote:
Originally Posted by Ikon View Post
512-bit along with GDDR5 doesn't make any sense at this point and would probably give very little performance increase anyway.
Would also cost your both legs.
I agree. 512-bit + GDDR5 would provide way more bandwidth than the RV770 would likely be able to take advantage of, and would needlessly add to the cost. But, then again, if I'm wrong and the card can take advantage of that bandwidth boost, it would be a massively powerful card.
post #14 of 38
Bring it on I say. I'm all for the development of very high performing cards as it increases the market standard. If the very high 600 dollar cards are this powerful, the cheaper ones would be a similarly proportional fraction of this.

To me, ATI's RV770's looks more promising than the nVidia G200's. But I'm an nVidia and Intel fan, so I'll still probably be upgrading to a G200 9900Ultra type card when they are released.
post #15 of 38
That's a bit much isn't it?
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post #16 of 38
Quote:
Originally Posted by arekieh View Post
simlarly performing??
What are u on?
nothing. I will say it also as I have owned both.
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post #17 of 38
Quote:
Originally Posted by rx7speed View Post
nothing. I will say it also as I have owned both.
The HD3870 has the same performance as the 2900XT. The 3870's memory controller is much better than the 2900's.
post #18 of 38
Quote:
Originally Posted by RussianGrimmReaper View Post
The HD3870 has the same performance as the 2900XT. The 3870's memory controller is much better than the 2900's.
Not really. The HD2900XT just had way too much bandwidth and most of it ended up being wasted. The HD3870 also had GDDR4, so things evened out in the end.
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post #19 of 38
If they can manage to build the 4870 on a 512-bit bus and GDDR5 (1GB I presume?), then I say go for it. This could be just what ATI needs to unquestionably overtake Nvidia for the first time since the GeForce FX/Radeon 9000 series. Nvidia needs a fire lit under their ass to help kick-start their development again, as it's been stagnating lately.
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post #20 of 38
What they really need to do is come out fast. I mean, make that first impression, and make it good, so that all the reviewers have little to compare the card against and not be able to make excuses for any faults the card may have. This will also win over game developers that will be starting to make next year's games. It's very obvious that most of nvidia's success comes from their early and timely releases, even when their cards usually end up being beaten by ATI's cards in the long run.
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