6990 or 6970 cf? OR 580cf or 590?

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dudeguzman

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Main reason for buying card is to play bf3. tri monitor 24" set up.
As I read on I keep learning bout eyefinity issues with three monitors and things not working in the game.
Microsturring etc...

I havent heard much on complaints on the Nvidea side.

hmm?
 
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If budget is no issue, i'd pick up 2 HD 6990s in CF for the ultimate gaming performance, my second choice would be the HD 6970s in CF or 3-way CF. I always recommend 3-way CF for Eyefinity.
The GTX 590 will be considerably cheaper than the GTX 580's in SLI. According to the Guru3d review of BF3 performance, the GTX 590 is pretty much the sweet spot for a single card solution. Like with the Tom's Hardware review, they reported problems on AMD cards and were unable to play BF3 on the 6990 at all (which is considered by many reviewers to be just too noisy to recommend anyway).
http://www.guru3d.com/article/battlefield-3-vga-and-cpu-performance-benchmark-test/6

My recommendation would be a pair of GTX 570's in SLI for approximately the same price as a GTX 590. If you have the space and motherboard, the SLI dual card option is going to better than the single card, dual-GPU option in terms of heat and acoustics. Having said that, who wouldn't want a GTX 590 in their rig?
 

dudeguzman

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Man its such a tough choice, and to make things worse, i know new cards are around the corner and these should drop in price. Then again, will the new ones be good righto out of the box or are we all going all going to have to wait a while to get the drivers working properly for the things we bought the card for in the first place...

Things I ponder????!!!!

Great info hear though. I didnt know the 590 can handle three monitors at once. Going to check it out..
 

hapkido

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Off newegg (after shipping, before rebates),
cheapest 590 is $758
cheapest 6990 is $709
cheapest 580 is $488
cheapest 6970 is $348
cheapest 570 is $338

CF 6970 or SLI 570 should each give better performance than 6990 or 590. You could save $80 going 2x570 instead of a 590. However, 570s only have 1280MB RAM (keep in mind RAM is not additive in multi-gpu setups, including 590 and 6990) and that's not going to be enough for gaming on 3 monitors, especially in BF3.

I think 2x6970 2GB cards is the best deal for your goal and budget.
 

hapkido

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It does, that's why I would go with 2x6970 (2GB) instead of 2x570 (1280MB) or a 590 (1.5GB). The 590 has 3GB total RAM, but keep in mind each gpu only gets half that. 6990 also has 2GB RAM (it says 4GB on the box, but again, each gpu only gets half), but it's slower than 2x6970 and at least $10 more.
 
Too bad AMD drivers are having such a hard time with BF3.

Quote:
"AMD Radeon wise well, the cards are just all struggling. Would the R6990 have worked, that dynamic would have changed.

So ATI Radeon users at 19x12 will need to drop MSAA, choose another AA mode or lower image quality settings."

"And last but not least the mac-daddy of single monitor resolutions, on a 30" 2560x1600 pixels monitor, this resolution will require a spicy graphics card. In fact only dual-GPU based solution can really deal with it. On AMDs side the Radeon HD 6990 should manage well here but let's hope the newer drivers will kick in soon. On NVIDIA's side, yeah .. the GTX 590 just hauls ass."
http://www.guru3d.com/article/battlefield-3-vga-and-cpu-performance-benchmark-test/6
 

hapkido

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I'm running crossfire. Did in beta and haven't had any problems with it in retail. They only experienced issues when they used 4x4GB ram, not 2x4GB, and also said AMD knows about the issue and is working on it. Might be solved with the 11.10 drivers already. Again, can't say because my 2x5850 has always worked in BF3.

I'm really getting tired of the "AMD has bad drivers" reason to not buy AMD cards. Don't buy them if you don't want to, but that's not a good reason, because it's not true. I could point you towards people with 560s not being able to run the game because of a faulty driver, including one of my BF3 friends, but who cares? It got taken care of right away.
 
To shorten, GTX 590 is capable of running 3 monitors because it's a Dual GPU card and Dual GPU cards are 2 GPUs in CF/SLI mode in one PCB. GTX 580/70/60 you need to SLI them to run 3 monitors.

That said AMD's drivers are laggy, i completed BF3 with my single HD 6950 without any stuttering, just met some game bugs. For CF/SLI configurations, both crashes with BF3.

The reason that one should consider with 3 monitor setup is how smooth the game will run, you do CF/SLI to have higher FPS thus the game won't lag. The higher the resolution the more VRAM should be since textures are loaded, MSAA, AF (those really feed on the VRAM.

590 is out of the question because in fact it's Dual GPUs each has 1.5 GB of VRAM that's add a bonus to the HD 6990.

@ OP, we already discussed the benefits of each 6990, HD 6970s in CF.
 
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