Query about the 9700pro

lhgpoobaa

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Is it just me or is the DDR RAM on the 9700 clocked low?
Seems the most people are getting out of it is 250-275Mhz with 3.6 or 3.8ns chips.
Will we be seeing a pumped up version with Uber fast RAM anytime soon, like the stuff they stick on the ti4600 that can reach 350-375Mhz?


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Ghostdog

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275 mhz? Isn´t the memory clocked at 310 as default? From there I´ve seen people OC it up to about 375.

Forgive me if this is an ignorant reply.

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chuck232

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No I think you mean R9700 Pro. It uses 2.8ns BGA RAM like the Ti4600, but most reviewers think it's the 256bit DDR memory interface that's making it difficult to overclock. Seems logical.

EDIT: Ghostdog: I've only mostly seen the RAM go up to ~350MHz DDR. Most of the time it starts getting artifacts at ~330-340.
...And all the King's horses and all the King's men couldn't put my computer back together again...<P ID="edit"><FONT SIZE=-1><EM>Edited by Chuck232 on 10/17/02 09:01 PM.</EM></FONT></P>
 

lhgpoobaa

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okay... a bit of error on my part LOL
read toms review and the 9700pro has
325 core/ 310(620) mem.

But the question still remains...
why didnt they go for asynchronous core/mem with 325/325(650)?
or use that extra speical ram that can hit 750?

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Crashman

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It would make perfect sense if they're using 3.2ns memory as the max approved clockrate would be 312.5MHz (frequency is the reciprical of cycle time).

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chuck232

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As I said, it's probably tough getting fast running memory with the 256bit DDR memory.

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eden

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Video cards would definitly benefit from QBM DDR, no higher clocking needed, you only need even weaker RAM since the bandwidth is extremly good (twice that of DDR using same tech).
Or DDR2 which should come out soon.

On another note, it makes no sense, ATi is launching DDR 3, why the heck are they so in advance if DDR2 is not out, and why call it 3 already!
I am confused, suddenly a 2 generations ahead tech comes out before a generation ahead one.
It's like saying the Pentium Nehalem P8 core will come out before Prescott because it's easier to do! MAKES NO SENSE WHATSOEVER!
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chuck232

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I think they're skipping DDR2 and going straight for DDR 3.

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eden

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Which does not make sense lol, it's skipping a generation where the next one could be using the next one's and upgrade them!
It's like going for 0.065m when you needed 0.09m tools first, ya know?
Or adding Hyperthreading on a P3 when you needed to add some P4 components first! (which wouldn't work anyway)

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Ghostdog

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And why name it "GDDR3"? OK, so the "3" in the name is a nice marketing gimick. But I doubt they´ll use this memory in regular RAM-form. So I think just calling it GDDR would have been a good idea.

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chuck232

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Well it's graphics DDR, so there's been graphics DDRI, and then there's probably gonna be GDDRII with NV30 and ATi is gonna use GDDRIII.

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eden

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Still is weird, a company who is readying a future generation product is using a RAM SUPPOSEDLY a generation below the competition's.

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AMD_Man

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Still is weird, a company who is readying a future generation product is using a RAM SUPPOSEDLY a generation below the competition's.
How so? ATI already has working samples of the R9700 with DDRII. If ATI finds that the NV30 outperforms the R9700Pro, it can release a new version with higher clocked DDR2 the next day.

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chuck232

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The next day huh?

I agree that ATi's well planned in that they have DDRII R9700's already. THat's what I call good planning.

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chuck232

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Oh you mean ATi's got GDDR3 planned and nVidia's only getting to DDRII?

Well, ATi's hasn't got a board with GDDR3 yet, so don't say they're a generation ahead. Just like JEDEC has specs for memory way in the future, but doesn't mean they'be got working samples yet.

...And all the King's horses and all the King's men couldn't put my computer back together again...