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6950 1gb or 69502 gb w/ chance of switch flip to 6970

Last response: in Graphics & Displays
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December 27, 2011 3:11:18 PM

Okay, I game at 1080p on one monitor, and use dual display for productivity.
Planning on having a 750Watt Corsair TX to power my build.

Question: should I get the OC'ed 6950 1gb Gigabyte from Newegg for $240
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
OR the Sapphire 6950 2gb that a good majority of reviewers are saying they can flip a switch and make it a 6970 for $280?
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

right now, either of those cards would satisfy my gaming performance needs.
In the future 1 to 2 years I will Crossfire if I need to.

Crossfire Questions: If that 6950 2gb does "flip" to a 6970, in the future do i just need to a buy a 6970 to crossfire? Or would i have to buy the exact same 6950 and hope it "flips" too to a 6970?

A 750W should handle 6970 in crossfire correct?http://www.legitreviews.com/article/1488/18/

I was planning on getting the Gigabyte 6950 1gb, but i saw potential to get, basically, a 6970 2gb for $40 more. (i really don't want to spend more than $280 on a gpu.

Your thoughts?

Thanks,
~Hendel
a c 106 U Graphics card
December 27, 2011 3:36:48 PM

Flashing the BIOS to 6970 setting and speeds assumes that the GPU and the RAM can handle the faster settings. Even if the core can take it, if the RAM was rated for a lower speeds then there will be instability and perhaps artifacting. The best way to go about this though is to use a specially modded BIOS which basically tries to use all the shaders of a 6970, but at 6950 speeds. From there you can overclock the core and RAM to see what speeds they will take.

Go with the 6950 2GB. I would :D . Even if you don't achieve full 6970 performance the extra RAM will certainly come in handy in future games especially if you crossfire to play on higher settings.
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December 27, 2011 9:28:09 PM

So, if I enabled the shaders and OC'ed it and I wanted to crossfire in the future...
Which card would I buy? Could I buy a 6970 and CrossFire it?

To expand on that question, what needs to be the same between two cards you plan to Crossfire?
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a c 106 U Graphics card
December 29, 2011 2:15:42 AM

To crossfire two cards they need to be based on the same GPU. For example you can crossfire a 4850 with a 4870 or 4890, but it's not ideal. It's best to crossfire cards with the same number of shaders and speeds. If you unlock this 6950, in the future you might try and unlock a second 6950, or you could just CF with a 6970.
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December 29, 2011 1:39:27 PM

Best answer selected by Hendel.
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December 29, 2011 1:43:09 PM

megamanx00 said:
To crossfire two cards they need to be based on the same GPU. For example you can crossfire a 4850 with a 4870 or 4890, but it's not ideal. It's best to crossfire cards with the same number of shaders and speeds. If you unlock this 6950, in the future you might try and unlock a second 6950, or you could just CF with a 6970.


Thanks, I got the sapphire 6950 2gb based on your recommendation, along w/ everything else for my first build:

Corsair Carbide 400r
Corsair 750tx PS
Asrock Z68 Extreme3 MB
I5-2500k
Hyper 212 Evo
Corsair 8gb Vengeance low-profile
Corsair Force 3 180gb SSD
Seagate 1tb HD
dvd burner, wireless, bluetooth
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a c 106 U Graphics card
December 29, 2011 2:58:35 PM

Cool. Good luck and happy gaming.
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December 29, 2011 5:23:49 PM

Hendel, I assume you are buying the Sapphire Toxic 6950. I recently bought this card and the performance is great. I think you'll be happy with your decision.

Just wanted to share a few tips that you may not know about. First, before you change the switch to 6970 bios, make sure the PC and power supply are off and the power cable unplugged.
Second, you may need to change the powertune settings in Catalyst Control Center to get the full potential. Take a look at this article from HardOCP: http://www.hardocp.com/article/2011/08/29/sapphire_toxi... where they had to set +20% powertune in CCC.
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