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Old Mar 8, 2011, 12:33 AM   #1
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AMD AMD Radeon HD 6990 Launch Preview @ Rage3D.com

AMD launches the Radeon HD 6990 graphics card, a monstrous behemoth of power and performance from Team Red. Two Cayman XT GPU cores, 4GB of RAM, 5 TFLOPs of compute performance, out-of-the box Eyefinity 5 capabilities and stonking BIOS Overclock mode give all the signs that AMD is not happy to settle for second best - they earned the performance crown with the HD 5970, and they plan to keep it.

AMD Radeon HD 6990 Launch Preview
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Old Mar 8, 2011, 07:07 AM   #2
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moshpit will surely be happy with fan setup and heat dispersion. Seems like one hell of a beast-and from all the improvements and speed increase a dual voltage setup (one for enthusiasts and the next for ultra enthusiasts) can offer. The entire design seems to be worth the price at $699.00 since it'll literally sink anything nvidia. I'm excited about this GPU and the power it will bring.
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Old Mar 8, 2011, 07:32 AM   #3
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While I will admit to it being a brute I am just not sure why all the hype. This is essentially a 6960 (clock speeds at stock between 6950 and 6970) in crossfire. These performance levels are already attainable at close to the same price.
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Old Mar 8, 2011, 08:26 AM   #4
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The price is very disappointing. Not that I want to buy one anyway.
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Old Mar 8, 2011, 09:27 AM   #5
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For people who want that level of performance it is an attractive price. Consider price vs. 6970 crossfire, 570 sli, 580 sli.
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Old Mar 8, 2011, 09:44 AM   #6
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I think its a fair price for the performance you're getting but it wouldnt hurt to drop a little, its only early days though.
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Old Mar 8, 2011, 09:53 AM   #7
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Quote:
Originally Posted by demowhc View Post
I think its a fair price for the performance you're getting but it wouldnt hurt to drop a little, its only early days though.
Let's see what nV does with their dual GPU part.
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Old Mar 8, 2011, 10:20 AM   #8
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Quote:
Originally Posted by caveman-jim View Post
For people who want that level of performance it is an attractive price. Consider price vs. 6970 crossfire, 570 sli, 580 sli.
6970 crossfire in the uk at least is cheaper than a 6990. 6970 crossfire can be had for £528, the cheapest in stock 6990 ive seen is £570.

Amd really made a balls on the prices to say the least, and it would seem that etailers are also digging the boot in.

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Old Mar 8, 2011, 10:57 AM   #9
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Actually you're right, over here 2 x 6970 are cheaper than a 6990 by $100.. but as I said above it's still early days.

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Let's see what nV does with their dual GPU part.
Dont have much confidence in the Nv dual GPU part tbh.
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Old Mar 8, 2011, 11:06 AM   #10
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In pure performance terms, out of the box, yes the price/perf ratio is in favor of 6970's in some countries (in the US, 6970 is $320 after rebate, more commonly 340 - 360). So pretty close on price for two 6970's vs. a 6990, but out of the box you get better performance than 6990 on shipping BIOS.

However, that means that AMD are placing value on other aspects of the 6990 than just performance. native 5x1 eyefinity, with included active miniDP-DVI adapter; single card form factor, with lower power requirements than 6970 crossfire; higher overclock limits with more cooling capacity and powertune adjustment.

I haven't finished performance and feature testing for Rage3D's article yet, but I'm listening to your comments and feedback. Right now my feel is that it's expensive but offers features people would pay for vs. two 6970's.

Against the rumored dual-GPU GeForce GTX 590... this could be very interesting; possibly a clean win for AMD.
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Old Mar 8, 2011, 02:18 PM   #11
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Quote:
Originally Posted by caveman-jim View Post
However, that means that AMD are placing value on other aspects of the 6990 than just performance. native 5x1 eyefinity, with included active miniDP-DVI adapter; single card form factor, with lower power requirements than 6970 crossfire; higher overclock limits with more cooling capacity and powertune adjustment.

Against the rumored dual-GPU GeForce GTX 590... this could be very interesting; possibly a clean win for AMD.
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Old Mar 9, 2011, 04:39 PM   #12
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"offering out of the box Eyefinity-5 capabilities - a configuration added recently in the Catalyst 10.2 drivers."

shouldnt that be 11.2?

also why is this filed under 'cases', same for 6800 addendum

"Gaming at 1920x1080 with this card will provide you with the performance to run all the AMD driver options you desire, from SuperSampled AA (Dx9) to MLAA and EQAA (All Dx versions) in many, many titles. It'll do this in a small form factor than Crossfire 6970's and offer more overclocking headroom, as for the HD 6990 the CCC overdrive limits are sky high."
this sentence repeats
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Old Mar 9, 2011, 04:42 PM   #13
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Quote:
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also why is this filed under 'cases', same for 6800 addendum
Because I missed the setting - thanks for catching that. Fixed.
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Old Mar 9, 2011, 06:06 PM   #14
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Quote:
Originally Posted by caveman-jim View Post
Against the rumored dual-GPU GeForce GTX 590... this could be very interesting; possibly a clean win for AMD.

How do you figure that it's even possible for the HD6990 to win at all?...We know that a pair of GTX570's runs a pretty close fight to the HD6990 and that a pair of GTX580's in SLI is obviously faster overall,but more expensive.


So if the specifications of the GTX590, wich seems to be the official name of their dual GPU card, is somewhere in between that of the of the GTX 570 and GTX580 for both GPU and memory speeds, it's pretty much a done deal ahead of time.


Since AMD didn't bother to comply with the PCI-e power limit of 300 watts with the HD6990, i think it's a fair bet that Nvidia won't either with theirs so it's an all out slug fest between both, but nvidia does have the faster hardware from the start....
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Old Mar 9, 2011, 06:27 PM   #15
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True, it's faster, bigger, uses more power and there is still the small matter of electrical compliance. 375W is the electrical limit of the slot + two 8-pin power inputs. Do you think two GF110's with performance between 570 and 580 levels will run in 375W with 12 memory chips per GPU?

My supposition is that inside a 375W power budget, GF110 can't scale to more performance than Cayman. AMD knew what they were doing when they set clocks and PowerTune for 375W power budget, and they knew what they were doing when they busted the electrical specification to go to 450W max power configuration - hence, the dual BIOS, massive warning sticker, etc.

Secondly, what about cost? Do you think NVIDIA can sell two GF110's specified between 570 and 580 performance with 1.5GB of RAM each for less than the 6990, with the 580 price point where it is?

If the 590 outperforms the 6990 OC BIOS, it could be a lot more expensive, too. That's not even talking about overclocking, tri- and quad-GPU configurations. With 590 performance above 570 SLI levels it needs to be in the same price point as 570 SLI or a little higher, for the features it brings. Can NV do that? Will they make their top performance part a loss leader?
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Old Mar 9, 2011, 06:42 PM   #16
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Quote:
Originally Posted by caveman-jim View Post
True, it's faster, bigger, uses more power and there is still the small matter of electrical compliance. 375W is the electrical limit of the slot + two 8-pin power inputs. Do you think two GF110's with performance between 570 and 580 levels will run in 375W with 12 memory chips per GPU?

My supposition is that inside a 375W power budget, GF110 can't scale to more performance than Cayman. AMD knew what they were doing when they set clocks and PowerTune for 375W power budget, and they knew what they were doing when they busted the electrical specification to go to 450W max power configuration - hence, the dual BIOS, massive warning sticker, etc.

Secondly, what about cost? Do you think NVIDIA can sell two GF110's specified between 570 and 580 performance with 1.5GB of RAM each for less than the 6990, with the 580 price point where it is?

If the 590 outperforms the 6990 OC BIOS, it could be a lot more expensive, too. That's not even talking about overclocking, tri- and quad-GPU configurations. With 590 performance above 570 SLI levels it needs to be in the same price point as 570 SLI or a little higher, for the features it brings.

Given the ultra enthusiast market that both the HD6990 and the GTX590 are aimed for where performance is the highest priority of all regardless of cost, and that AMD went all out first by going well over the PCI-e 300 watt power limit in order to make sure that it could make it as fast as possible regardless of the sound levels hit, it's a safe bet that Nvidia will do the same...


They might aim for a 375 watt limit as the baseline for retail shipping cards, but design the card to handle much more than that, just like AMD did with the HD6990 as it does use 450 watts when overclocked wich in theory is above the electrical compliance of the PCI-e slot and using a pair of 8 pin PCI-e connectors, and if Nvidia do manage to make it faster they'll also sell it for more, as there's plenty of wiggle room between a single HD6990(700$), and the 1000$ that a pair of GTX580's go for.


The gloves come off and get ready for one nasty fight between both basically...

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