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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 74

post #731 of 38704
I'm thinking about buying an Asus HD 7970, but I have a doubt. Think that the PCB and components refernece cards are better quality than custom cards? I think overall refence cards have better quality components but I'm not sure. (I'm not talking about the heat sinks).

thanks
Edited by APC - 1/14/12 at 1:09pm
post #732 of 38704
Some times yes some times no. Custom cards have large range. Some have extra VRM. Some may be cheaper or have flawed disign some have improved design.
 
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post #733 of 38704
Quote:
Originally Posted by APC View Post

I'm thinking about buying an Asus HD 7970, but I have a doubt. Think that the PCB and components refernece cards are better quality than custom cards? I think overall refence cards have better quality components but I'm not sure. (I'm not talking about the heat sinks).
thanks

It depends on the cards. While AMD tends to have good quality reference cards, some custom cards have better components, like MSI with their Twin Frozr cards. The AIBs tend to cheap out on components in cheaper cards though. Sometimes reference cards might not be all that good either, like with the Nvidia GTX 570 and 590 VRMs not handling OC voltages well. Also even Nvidia and AMD can later on cheap out on components. IIRC 6900 series had this happen, the later cards had weaker components than the earlier batches. I guess that's one reason to buy early. thumb.gif
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post #734 of 38704
Quote:
Originally Posted by UNOE View Post

Some times yes some times no. Custom cards have large range. Some have extra VRM. Some may be cheaper or have flawed disign some have improved design.

Hello

Thank you. I said it because, for example, I remember that all could mutate to 6950 reference 6970 but most of the custom 6950 was not possible. and AMD has a knack of going overkill with component quality on its reference boards and I think with better quality components is easier to get a good overclocking. .
post #735 of 38704
Quote:
Originally Posted by ahriman View Post

So what I am hearing is that no matter the price, the manufacturers (excepting XFX BE) are just slapping a sticker on the fan, calling the 7970 their own and charging their price for it? Do I have that correct?

This is true. Stickers/logo's are the only difference. XFX DD Black is the only 7970 with better components/heat sink/fans. Good luck finding one though. http://www.hardwareheaven.com/reviews/1373/pg12/xfx-r7970-black-edition-vs-gtx-580-overclocked-vs-radeon-6970-overclocked-conclusion.html
Edited by rcfc89 - 1/14/12 at 1:59pm
 
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post #736 of 38704
This card is amazing! I undervolted it to 1.1V and OC' to 1000Mhz on the core and maxed out the memory slider and it's BF3 stable for over an hour now! 45% fan and I never break 70C!
    
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post #737 of 38704
now i just need my WB!
post #738 of 38704
Quote:
Originally Posted by Pantsu View Post

It depends on the cards. While AMD tends to have good quality reference cards, some custom cards have better components, like MSI with their Twin Frozr cards. The AIBs tend to cheap out on components in cheaper cards though. Sometimes reference cards might not be all that good either, like with the Nvidia GTX 570 and 590 VRMs not handling OC voltages well. Also even Nvidia and AMD can later on cheap out on components. IIRC 6900 series had this happen, the later cards had weaker components than the earlier batches. I guess that's one reason to buy early. thumb.gif


I agree with you. Normally the first shipments of a new model of AMD usually have better components and AMD also typically use high quality components in the first shipments of a new model.
post #739 of 38704
Quote:
Originally Posted by krazyatom View Post

Do you guys think i7 920 D0 OC'ed to 4ghz will bottleneck 7970CF? I only ordered one, but I may order another one for CF.

In some games, yes, probably in older titles. In GPU intensive games like Metro, no. I saw my 930 @4.0Ghz bottlenecking two GTX 580s in Crysis and Warhead. And 7970s are 20-30% faster.
post #740 of 38704
In Battlefield 3 Karkand last night 64-player server using my Sony FW900@1920x1200 with two 7970's@1225/1600 with the game set at max everything I reached a maximum of 2870MB VRAM! I almost am maxing out the VRAM with that resolution.

So yes, there is a reason for 6GB cards and I look forward to them for my Eyefinity setup. With the regular 3GB 7970's on my Eyefinity, I can only run "medium" settings in BF3 as it is going over the VRAM limit any higher.
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