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Old 03-09-2011, 11:06 PM   #11 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

it's cheaper to just get to 6970's, and if you're really in the enthusiast market you probably picked up a SB setup when it came out, and therefore you most likely have xfire support. so poo on you AMD, you and your silly "dual GPU = single gpu king" shenanigans. same goes for nvidia when they release their dual gpu card and claim it's the fastest gpu out there...
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Old 03-10-2011, 12:45 AM   #12 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

Actually, dual 6970s would be more expensive if you use water cooling on the GPUs. OR you could say, that dual 6990s would be even faster unless you went quad 6970. Depends on how you look at it.
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Old 03-10-2011, 08:47 AM   #13 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

water cooling would be the same price, you still have to buy 2 blocks. and yes it would be faster to get dual 6990's than quad 6970's, but still more expensive. I'd be interested to see how much faster a 6990 is over 6970's. I can't imagine it's more than a couple frames at most.
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Old 03-10-2011, 09:56 AM   #14 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

No, quad 6970s should be faster than dual 6990s unless each chip is clocked exactly the same. A 6990 would be cheaper if you went water cooling because it is more expensive to buy 2 blocks (for 2 6970s) than one block for a single 6990. See what I mean? I felt I had to elaborate a bit cause I didn't think you knew what I meant. Or I just read your post wrong.
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Old 03-10-2011, 10:44 AM   #15 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

IMO dual GPU cards shouldn't be in the same category as single GPU cards. Sure it beats a single HD 6970 but it's pretty much two 6970's in crossfire.
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Old 03-10-2011, 12:43 PM   #16 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

PP, the 6990 has the 2 gpu's just on the same pcb, and looking at the pic in the review below unless they make a massive block which would probably cost 3/4 as much as 2 blocks and would be less effective, you'd be using 2 blocks to cool it, 1 for each gpu. But at $100 a block for the 6970, and as a reference point, not that it really has a lot of bearing on what a full waterblock will cost, the 9800gx2 full cover waterblock was over 200.

AMD Radeon HD 6990 Review: Antilles Has Arrived - HotHardware

and i misread what you said about dual 6990's, but if you do have SB then it's usually only 2 pci-e slots so yeah you'd be better off with dual 6990's but **** it would put out a lot of heat and suck power like nobody's business.
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Old 03-10-2011, 05:54 PM   #17 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

Dual GPU cards come with single large blocks like their smaller brothers. A GOOD regular block will cost you around 150 and one for a dual GPU card will only cost a little more. Taken that into consideration it would be cheaper to get the dual GPU card and 1 block instead of paying more for 2 separate cards and 2 separate blocks.
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Old 03-11-2011, 05:55 PM   #18 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

eh it's about the same in the end, 120 for a good DD block x2 is 240, 190ish for a dual gpu block, factor in that the cheapest 6990 is 45 more than 2 of the cheapest dual 6970s it doesn't really seem like it would matter. and either way the second gpu would give higher temps, and i would assume that there wouldn't be a major difference in temps, maybe 2-3C at most. so it really comes down to the slots and what you wanna do. if you're air cooling then the 6970's would be cheaper slower and cooler, and the 6990 would be hotter faster and pricier.
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Old 03-15-2011, 09:13 PM   #19 (permalink)
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Default Re: AMD's dual-GPU Radeon HD 6990 is new king of desktop graphics cards

I haven't looked at reviews but isn't the 6990 gonna be slower than 2 6970s? That is how it typically is with dual gpu cards so just guessing here.
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