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Stay away from XFX 7970 Black Edition, design flaw - Page 6

post #51 of 123
Quote:
Originally Posted by SpammisT View Post

But when I heard that the 7970 literally shuts off the fan when not required, yeah, I am gonna have to LOL there.
Not taking the chance to stop my fan from spinning.
(all passively cooled systems are an exception)

Why should the fan be spinning when the card cant get any cooler? The same feature is on my i3 2120 (or the motherboard) whenever I reach 28°c and below, the fan stops spinning. I think it genius..
post #52 of 123
Quote:
Originally Posted by SpammisT View Post

Know what's even funnier?
I thought to myself, Nvidia might lose this year's race if the 7970 is successful as [insert any word here]
But when I heard that the 7970 literally shuts off the fan when not required, yeah, I am gonna have to LOL there.
Not taking the chance to stop my fan from spinning.
(all passively cooled systems are an exception)

The whole card powers off, not just the fan

Quote:
Originally Posted by CULLEN View Post

Why should the fan be spinning when the card cant get any cooler? The same feature is on my i3 2120 (or the motherboard) whenever I reach 28°c and below, the fan stops spinning. I think it genius..

This
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post #53 of 123
I just checked and the warranty says it's lifetime if you register the card on their website. I guess it's 2 years if you never registered it to show proof of time of purchase. At least that's still lifetime warranty for all XFX cards compared to MSI and other's 3 year warranty. They probably should have make it more obvious.

Also I noticed a lot of stuff on this thread going back and forth about the temperature but in the later parts I noticed that most of the problems was that people had old cases without proper ventilation, i.e. no side fans and no top exhaust. I think these cards were designed of course to perform optimally in single GPU designs but in dual GPU that little gap between the cards gives it very little room for air intake. I wonder if it's better than reference because at least with a side fan you can really pump air all across the card while with the reference design side fans still have to be funneled into the single fan since the sides are not open. That's just my logical assumption but I could be wrong.

But that goose guy seems to have solved his issue by adding a side fan to his case and opening up his exhaust for better air circulation. I have mine setup on the LANboy so it's got plenty of ventilation with two side fans and two front fans. the two side fans must have been designed specifically for GPUs since the seem to be placed right over the GPUs. I'm getting about 67C on the bottom card and 71C on the top card at 80% load with both fan running on low. Maybe the lanboy just has better circulation. I also have the HAF912 case but I didn't want to put it in that one since that case didn't come with side or top fans but I could try to see, but i'm sure with out that side fan the temps going to go up for sure. I think in general if you plan to run crossfire you can't just dump it into some old case with no side fans or on a motherboard that doesn't give you space between the PCI slots.

Here's my specs
GIGABYTE|GA-970A-D3 AM3+ 970 R Motherboard
2 XFX R7970 BEDD 3GB
AMD FX-6100 3.3G
2 4G GSkill 12800
Lanboy Case

Side note, I noticed one thing that was odd, when I have my computer plugged into a monitor it runs great, and no problems with HDMI but specifically on my Philips TV HDMI at 1080i when I change the input and back to the computer it just black, doesn't show anything. I figure it's not the card since HDMI doesn't do that with other HDMI TVs but specifically on this Philips it's just black and i have to restart. Anyone else have that problem?
post #54 of 123
My XFX HD7970 Double-Dissipation Black Edition has a lifetime warranty and I'm not limited to whatever cooler is on the card when I bought it thumb.gif
Quote:
Originally Posted by XFXForce.com 
** XFX has carefully selected the optimal thermal or fansink component for your graphics card model. We do not encourage the removal of components due to damage that may result in the process. XFX understands that some enthusiasts may choose to replace the original component with their own cooling solution. To support the gaming community, we recommend that you contact XFX prior to any modifications so that we can update your profile and product registration to avoid potential issues with warranty support. In addition, XFX support will be able to walk through the installation with you or provide feedback and pointers on available options for your specific product. You may even consider shipping your components to XFX and allow the technicians at XFX to perform the modification for you (shipping charges to XFX apply).

I also have solid capacitors.
Edited by Dirtyworks - 1/16/12 at 2:15pm
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post #55 of 123
Quote:
Originally Posted by Dirtyworks View Post

My XFX HD7970 Double-Dissipation Black Edition has a lifetime warranty and I'm not limited to whatever cooler is on the card when I bought it thumb.gif
I also have solid capacitors.

as does everyone else, not just us BEDD guys.
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post #56 of 123
Don't see how this is a design flaw when you're operating the card well outside of its intended stock design considerations. That's an over-volted, 38% overclock compared to stock!

Are there any reports of the VRM's failing? What I've read is that the VRM's can handle the hot temps, it's only the idea of cycling from cooler to hotter to cooler etc. than can potentially compromise them--but there's not been reports of this, so I don't understand what all the hooplah is about. confused.gif

I have no loyalty to xfx, but I have never had problems with them. Maybe this is more of an issue for the extreme gfx card overclockers?
    
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post #57 of 123
Quote:
Originally Posted by guyladouche View Post

Don't see how this is a design flaw when you're operating the card well outside of its intended stock design considerations. That's an over-volted, 38% overclock compared to stock!
Are there any reports of the VRM's failing? What I've read is that the VRM's can handle the hot temps, it's only the idea of cycling from cooler to hotter to cooler etc. than can potentially compromise them--but there's not been reports of this, so I don't understand what all the hooplah is about. confused.gif
I have no loyalty to xfx, but I have never had problems with them. Maybe this is more of an issue for the extreme gfx card overclockers?

I'm starting to think that high VRM temps are whats causing all the crashing on 7970's when an oc and voltage increases are performed. All this negativity over one review showing VRM temps to be higher then reference. One thing I'm wondering is if the BEDD's had better bins from AMD because they were going to be pushed by XFX with a higher clock speed. I would like to see the VRM temps on some of these reference designs running full boar with a 1100+ clock and compare them the the BEDD due to the reference tested is only at 1075.All this is making me think I should just keep me BEDD's that come in tomorrow. I just worry about there resale value being tainted because of that review. I plan on upgrading in a year and want to get some decent value out of these. Seems like the OC community has already turned on the BEDD because of that review yet it seems VRM temps are holding all 7970's back from going any further. Another thing is them dropping there double lifetime warranty. Tons a hate coming from that. Ohh decisions, decisions....
Edited by rcfc89 - 1/16/12 at 3:39pm
 
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post #58 of 123
HAHAHAHAHHA XFX, what a joke.

I will never buy from that company again. Had problems in the past.
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post #59 of 123
XFX
AMD

Hmm.. I think I'll stick with my 470's.
 
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post #60 of 123
My current XFX 6990 is and has been running great at 1000/1500 with accelero cooler. My XFX BEDD 7970 will be here this week and I will put money on it that I will have zero issues hitting 1200/1600 stable thumb.gif

Also the lifetime warranty has to be registered on their site within a month of purchase... say whaaaa? CHEAAAAAAAAA!!!
    
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