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[WCCF] AMD Radeon HD 8970 Pictured – Features Curacao XT Core With 2304 SPs - Page 19  

post #181 of 577
Quote:
Originally Posted by ChromePixels View Post

You are comparing Single GPU vs Dual GPU...

SLI Titan vs HD 7990 now thats even.

Now your comparing one physical card to two.....

SLI Titan vs CF 7970GHZ would make sense.
GTX690 vs HD7990 makes sense.
SLI Titan vs HD7990 does not.

Also considering that the HD7990 is the about the same cost as a Titan for more performance and is still on a single card, it makes for a better comparison then you think.
The GTX690 is also faster then a Titan for the same $$
Really it depends if you want to use CF/SLI or not.
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post #182 of 577
Considering a 7970GE can match or bash on a GTX770 ( It is nothing but an overclocked GTX 680 after all ) then I can see this being a good card.....

Especially as AMD seems to really be getting there act together with drivers and performance....

The 7000 series are in a completely different performance league on the latest drivers compared to where they was at launch.
post #183 of 577
Quote:
Originally Posted by almighty15 View Post

Considering a 7970GE can match or bash on a GTX770 ( It is nothing but an overclocked GTX 680 after all ) then I can see this being a good card.....

Especially as AMD seems to really be getting there act together with drivers and performance....

The 7000 series are in a completely different performance league on the latest drivers compared to where they was at launch.

Yup, but review sites dont really care about a card after its release, unless there is some edgy article they can write up about it. Because a driver update review wont bring in the site traffic like a 4chan based rumor or an obscure picture of a new GPU.
post #184 of 577
12% more shaders, 50% more ROPs, 8% higher memory clock and 5% lower core clock speeds with a chip that's bound to be somewhat bigger than Tahiti.

The thing needs to get 35% over a 7970GHz in order to match a Titan. With these specs it's really going to be an uphill battle trying to reach that. You have to remember that linear scaling with more resources almost never happens.

Saying that it makes no sense for AMD to release a chip slower than Nvidia's fastest is somewhat of a silly statement considering that that's exactly what they've done with the majority of their GPU launches.
Quote:
Originally Posted by almighty15 View Post

The 7000 series are in a completely different performance league on the latest drivers compared to where they was at launch.

This is due to GCN being a new architecture. Similarly Fermi pulled away from AMD's offerings with time as well.
.
Now that GCN (or Fermi/kepler) isn't new anymore and the biggest optimizations have been done, it's overly optimistic to wait any big gains on either architecture from drivers. Across the board ones that is, single games are a different matter.
 
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post #185 of 577
My only issue with this prospective design is that I'd need to WC them and get another Rad in my 600t. With 780s I could rely on the stock cooler to exhaust the heat outside of my chassis and not heat-load my top rad and reduce the cooling performance on my CPU.
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post #186 of 577
Quote:
Originally Posted by Carniflex View Post

Thats not the issue with the link though, but the issue that there is no controller boards in use in these displays that allow overclocking through displayport. Or, well, to be more precise the issue is that they are using controller board in the first place. In theory displayport is capable of driving the screen "directly" so if Koreans would be doing displayport only displays all of them should be overclockable with some driver hacking.

Now - returning to the reference design - having a DL-DVI in there is in my opinion waste of resources, as it consumes whole 2 links out of total 6 the GPU's are capable so as soon as you have a DL-DVI in there it cuts down the max number of displays you can have down to 5 from 6. I'm pretty sure that even if reference design would have only displayports there would be sufficient number of non-reference cards which would have all the legacy connectors you desire, like DL- and SL- DVI, HDMI, etc - if nothing else then, for example the Sapphire FleX series.

It's so sad to look at the awesome cards whose potential is castrated by the crappy reference output display connector configuration, for example, Toxic and other 6 GB vRAM cards.

What about the fact that in quite a number of spots, DisplayPort monitors aren't common? Most screens here are HDMI or DVI and DP necessitates the use of an adapter.
    
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post #187 of 577
Quote:
Originally Posted by Alatar View Post

12% more shaders, 50% more ROPs, 8% higher memory clock and 5% lower core clock speeds with a chip that's bound to be somewhat bigger than Tahiti.

The thing needs to get 35% over a 7970GHz in order to match a Titan. With these specs it's really going to be an uphill battle trying to reach that. You have to remember that linear scaling with more resources almost never happens.

Saying that it makes no sense for AMD to release a chip slower than Nvidia's fastest is somewhat of a silly statement considering that that's exactly what they've done with the majority of their GPU launches.
This is due to GCN being a new architecture. Similarly Fermi pulled away from AMD's offerings with time as well.
.
Now that GCN (or Fermi/kepler) isn't new anymore and the biggest optimizations have been done, it's overly optimistic to wait any big gains on either architecture from drivers. Across the board ones that is, single games are a different matter.

Tahiti was a bottlenecked design . it had the same front end (2 ACE, 2 geometry engines, 2 rasterizer engines) and back end (32 ROPs) as Pitcairn. HD 7970 was screaming for more resources to feed the sp better. with 3 geometry engines, 8 ACE, 3 rasterizer engines and 48 ROPs per sp performance should get a significant bump of 10 - 15%. add to it a 12.5% increase in shaders. you can expect a 25% faster card than HD 7970 Ghz. so yeah it will be difficult to match Titan. but since specs are not official ,if it had 2560 sp there is a very good chance of matching TITAN perf .
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post #188 of 577
Quote:
Originally Posted by raghu78 View Post

Tahiti was a bottlenecked design . it had the same front end (2 ACE, 2 geometry engines, 2 rasterizer engines) and back end (32 ROPs) as Pitcairn. HD 7970 was screaming for more resources to feed the sp better. with 3 geometry engines, 8 ACE, 3 rasterizer engines and 48 ROPs per sp performance should get a significant bump of 10 - 15%. add to it a 12.5% increase in shaders. you can expect a 25% faster card than HD 7970 Ghz. so yeah it will be difficult to match Titan. but since specs are not official ,if it had 2560 sp there is a very good chance of matching TITAN perf .

It just needs to match GTX780, if it just so happens to be able to OC high enough to catch up to titan in that aspect it would be nice. But I think AMD is aiming to at least match the GTX780. The HD8970 will also probably have some type of boost so it may run at a higher clock speed then reported as well.
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post #189 of 577
Quote:
Originally Posted by KaRLiToS View Post

Pretty sure the Titan is gathering dust by now since the GTX 780 releases. Nvidia did a great profit move with the Titan, releasing their best GK110 chips as a premium for the early adopters that always want the best of the best but now that the GTX 780 is released, there is no more point of buying the Titan. (Unless of ubber resolution, but still, its only a 384bit bus.)

The Titan was for the early adopters and many people are ready to pay premium to be the first to have the fastest.

There's still a use for Titan, mainly being its double precision floating point performance. Titan will run DP FP at 1/3 speed, whereas the 780 runs at 1/24, so even a 7970 would stomp all over it in that particular workload.
     
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Originally Posted by Alatar View Post

12% more shaders, 50% more ROPs, 8% higher memory clock and 5% lower core clock speeds with a chip that's bound to be somewhat bigger than Tahiti.

The thing needs to get 35% over a 7970GHz in order to match a Titan. With these specs it's really going to be an uphill battle trying to reach that. You have to remember that linear scaling with more resources almost never happens.

I think if it can get close to a 780/Titan for a decent enough price then Titan will be out of the game.... Heck the 780 pretty much made Titan redundant....

I think the 7950/7970 are bound in quite a few areas too..... They really seem to lag behind the Nvidia cards when it comes to SSAA so 50% more ROPS can't be a bad thing.

You also have to think back to the 6000 series refresh, AMD made the cards more efficient and actually ended up performing better with less shaders.
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