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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 3866

post #38651 of 38739
I have an XFX R9 280X 3GB.

I was wondering about the DX12 memory stacking possibilities on newer games and if it is compatible with 2X 280X's for a combined memory of 6GB?

I've read a few recent articles stating that only newer cards will take advantage of this and not these era of cards. Although apparently older NVIDIA gpus' will be able to take advantage of memory stacking.

Anyone know? Trying to figure if it's even worth it to get a second 280x or just get a rx480 or something newer down the road.
post #38652 of 38739
Quote:
Originally Posted by tlatch89 View Post

I have an XFX R9 280X 3GB.

I was wondering about the DX12 memory stacking possibilities on newer games and if it is compatible with 2X 280X's for a combined memory of 6GB?

I've read a few recent articles stating that only newer cards will take advantage of this and not these era of cards. Although apparently older NVIDIA gpus' will be able to take advantage of memory stacking.

Anyone know? Trying to figure if it's even worth it to get a second 280x or just get a rx480 or something newer down the road.

What resolution are you playing at? 2x 280s will likely have performance issues relating to raw power before a lack of VRAM at 1440P or less. I read a review yesterday of the GTX 960 3gb vs 6gb, and the memory made little to no difference in pretty much every game. Pretty much the same case for 4gb vs 8gb RX480. As for stacking VRAM. As I understand it (vaguely mostly), that would fall under the "Explicit Multi Adapter" instead of traditional Xfire, and the game itself would have to be programmed to take advantage of that feature, its not going to be a simple driver update to get that going across the board. So it is probably going to be slim support this early in DX 12, especially on older AMD cards...the demand for that feature in your situation is just going to be so low. There is still an argument to be made for another 280X, they are so dirt cheap that you can just about get them for free....I have two sitting collecting dust as we speak that have seen no action in months. But for a long term solution, the RX480 is going to be a better experience for longer...3GB is not enough VRAM for 4k, and going forward it may start to be insufficient for 1440p, and eventually struggle in 1080p.
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post #38653 of 38739
I have a support matter. A friend has a 7950.Bought it from amazon.fr so only 1 year warranty from there. The card it's for RMA. Anyone familiar with this procedure to explain what we must do ?
post #38654 of 38739
Hey 7950/7970/7990 owners,

Would you consider putting all that power to a good cause for the next 2 days? If so, come sign up and fold with us for our monthly Foldathons - see attached link.

September Foldathon



To get started:

1.Get a passkey (allows for speed bonus) - need a valid email address
http://fah-web.stanford.edu/cgi-bin/getpasskey.py


2.Download the folding program:
http://folding.stanford.edu/


Enter your folding name (mine is the same as my OCN name)
Enter your passkey
Enter Team OCN number - 37726


later
lanofsong
post #38655 of 38739
Going to retire my 2x 7970.. many years ...best investment ever.... highly overclock. folded and still competitive on lower tasking games like overwatch.

....but bf1 is coming..... it'll be vega ... or 1080ti or titan (sorry).

This drink is for you 7970s.

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post #38656 of 38739
I think my 280x is going out of commission, I get a graphical error in 1 part of unigine but also random parts of X-Com 2. I did notice also that I would get white screens as that has happened twice so far and got a black screen while watching a video. I reseated the card and plugs. I am using a Sandy bridge build too that has seen ALOT of action game wise even the 280x seen just as much. the 280x is almost 3 yrs old, I bought it from Hellraiser when he was selling them on OCN market. smile.gif
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post #38657 of 38739
bought mine in jan of 2012... great value biggrin.gif

the ice cube melted in my drink pretty quickly lol

you are very due for an upgrade too smile.gif early next year for me if I can wait that long
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post #38658 of 38739
I got rid of my 7970's a few weeks ago, they were by the far the best GPU's I ever owned, period. That setup demolished every game at 2880x1620 with my overclock(1200/1575).

My 390x's are faster than my 7970's wish I have upgraded sooner, but I have a feeling that I will be getting rid of these cards in a few months.
    
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post #38659 of 38739
Quote:
Originally Posted by wirefox View Post

bought mine in jan of 2012... great value biggrin.gif

the ice cube melted in my drink pretty quickly lol

you are very due for an upgrade too smile.gif early next year for me if I can wait that long


I have a Fury Nano coming back from RMA, I may sell it and get a used card since I have bad luck of the draw buying new. ._.
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post #38660 of 38739
My 7950 is likely to get a tapout when Vega gets released as well. It's been really good all the time, the 3gb of memory for instance has served me better then what any of the Nvidia 2gb cards of the time might have done. It' startging to get a bit to little though, but I think I will look long and hard to find anything that is as OC friendly as this card (Currently running a conservative 1150mhz on stock voltage). I'm going to keep it going for as long as I have to, there will bee no green cards in my house rolleyes.gif
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