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[WCCF] AMD Radeon HD 8970 Pictured – Features Curacao XT Core With 2304 SPs - Page 11  

post #101 of 577
Quote:
Originally Posted by jerrolds View Post

How do you know CF is getting fixed? Is there a fundamental change in Architecture that will make CF have near single gpu frametimes (similiar to SLI)? CF has been broken for the last 3 generations at least.
Drivers will get a FM fix and they might have included hardware based frame metering in the cards this time.
Besides only like 10% notices it according to most OCN'ers with those setups I never tried them as I haven't done any multi cards besides my good ol gtx295.
post #102 of 577
I think this card will edge out the 780 and come very close to the Titan. My reasoning behind this is it'll likely have unlocked voltage therefore will likely have more overclocking headroom. More overclocking headroom means more performance. We'll have to wait and see but glad to see it revealed...
post #103 of 577
Let's keep it civil.
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post #104 of 577
Quote:
Originally Posted by almighty15 View Post

AMD did say they were going to use a better, different cooler on the 8000 series then what the 7000 series had so this might be legit...

It has 12% more shader cores too..... So should be a decent match to Titan...

Not the 780, but all the way up to a Titan. Interesting.
Quote:
Originally Posted by Bruennis View Post

I think this card will edge out the 780 and come very close to the Titan. My reasoning behind this is it'll likely have unlocked voltage therefore will likely have more overclocking headroom. More overclocking headroom means more performance. We'll have to wait and see but glad to see it revealed...

Using OC potential to state that it's faster than another card? Interesting.
Edited by WorldExclusive - 6/8/13 at 6:05pm
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post #105 of 577
The Kepler's stock is a boost state, so they have an advantage there. Even then, 1100mhz after boost with the specs described should be quite a bit faster than a 7970, which isn't so far behind a 780 to begin with.
Factoring overclocking, without hard mods you can push AMD cards further so I think it'll be interesting to see how these perform. biggrin.gif

I'm definitely getting two, and maybe four of these for bitcoin/litecoin mining though, and if they perform better than titan/780 I'll save money in benching gpus for hwbot stuff.
Edited by ivanlabrie - 6/8/13 at 6:23pm
post #106 of 577
Sig

Though this thread is sort of asking for it...
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post #107 of 577
We can't even be sure hardware tweaks are necessary for improving frame delivery to match Nvidia SLI. AMD single card frame delivery is now at least as good as Nvidia, varies by game, and that's a software tweak.

Where would +20% over the 7970 GE put this card in comparison to the 780?
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post #108 of 577
Quote:
Originally Posted by sugarhell View Post

Do you know actually why cf have this 'issue'?Or do you know anything about frame latency? It doesnt have to do anything about the architecture doh.gif

Ummm...what do you mean it doesnt have anything to do with architecture? ATi is using software based metering which causes a crap ton of runts, and i guess only recently have been brought to light The prototype drivers that try to fix this started from Beta 13.4, help but dont totally fix this. So this is a architecture problem - SLI had hardware metering built in since the start, with the GPU/drivers communicating with it properly. As far as i know AMD hasnt said anything about including hardware metering in future infrastructure, thats why i thought id ask...

So instead of facepalming, why dont you tell us how you think frame latency works and correct any misunderstandings i might have? and how it doesnt have anything to do with architecture?
post #109 of 577
Quote:
Originally Posted by jerrolds View Post

Ummm...what do you mean it doesnt have anything to do with architecture? ATi is using software based metering which causes a crap ton of runts, and i guess only recently have been brought to light The prototype drivers that try to fix this started from Beta 13.4, help but dont totally fix this. So this is a architecture problem - SLI had hardware metering built in since the start, with the GPU/drivers communicating with it properly. As far as i know AMD hasnt said anything about including hardware metering in future infrastructure, thats why i thought id ask...

So instead of facepalming, why dont you tell us how you think frame latency works and correct any misunderstandings i might have? and how it doesnt have anything to do with architecture?

They dont use at all frame metering. Frame metering = input lag. Without frame metering = lower input lag but runt frames. It doesnt have to do with an architecture problem but with pipeline + cf drivers 'problem'. If it was an architecture problem then it shouldnt be possible to fix it with the prototype driver neither with any other software
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post #110 of 577
Quote:
Originally Posted by Vesku View Post

We can't even be sure hardware tweaks are necessary for improving frame delivery to match Nvidia SLI. AMD single card frame delivery is now at least as good as Nvidia, varies by game, and that's a software tweak.

Where would +20% over the 7970 GE put this card in comparison to the 780?

Ya some games are better when it comes to frame latency, but those tend to be games that arent demanding to the GPU, and are more CPU limited. I'm willing to bet Crysis 3 has way worse performance then something like CoD.

Heres one graph http://www.tomshardware.com/reviews/geforce-gtx-780-performance-review,3516-17.html showing Crysis 3
Heres another http://www.tomshardware.com/reviews/geforce-gtx-780-performance-review,3516-20.html with skyrim, where adding 2 cards didnt really help improve fps too much - and frame time was pretty even between 1 and 2 cards.

http://www.tomshardware.com/reviews/geforce-gtx-780-performance-review,3516-14.html this one is with BF3
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