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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 88

post #871 of 38704
Quote:
Originally Posted by rcfc89 View Post

I'm with you man I'm sending my BEDD's back to Newegg tomorrow. I'm waiting for the non-reference cards to figure all this out.

Aren't you going to get hosed with the restocking fee's ? If that is the case then you should just sell them on Ebay or here on the forums. I mean I bought what was the best brand out being reference in my mind, Solids caps, and good warranty ect. Its one of those things where until you get your hands on the cards and start overclocking you can take half of what you have seen with a grain of salt. I have gotten my reference HD 5850 to 1000 core no problem. I like reference design over say the lightnings for the heat exhausting out of the case. But if 1100 mhz is hard to do then man.... I don't know rolleyes.gif
post #872 of 38704
Quote:
Originally Posted by slice259 View Post

Aren't you going to get hosed with the restocking fee's ? If that is the case then you should just sell them on Ebay or here on the forums. I mean I bought what was the best brand out being reference in my mind, Solids caps, and good warranty ect. Its one of those things where until you get your hands on the cards and start overclocking you can take half of what you have seen with a grain of salt. I have gotten my reference HD 5850 to 1000 core no problem. I like reference design over say the lightnings for the heat exhausting out of the case. But if 1100 mhz is hard to do then man.... I don't know rolleyes.gif

The XFX blacks have the full refund return within 30 days. They don't even come in until tomorrow. Newegg told me to refuse delivery and ups will return the cards back to them. My new build will have plenty of airflow (Azza hurricane 2000) but there are several people having crossfire issues with one card blowing hot air on the other causing it to run at much higher temps. Also I plan on selling them in a year or two and all the negativity lately on XFX (no longer double lifetime warranty/ VRM temps/ crossfire heat issues) has basically killed the resale value. Now add in all the issues with the reference models I'm going to hold off. I still have sometime before Intel ships another shipment of 3930's to complete my new build so I'm going to wait and see what sapphire/msi come out with in the next month.
 
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post #873 of 38704
I have a Antec 1200 case, with lots of airflow (all scythe slip streams ). I am thinking 1200mhz+ is plausible. With that said, I love reference cards and I bought a set of msi so I think I am just going to love them. smile.gif

So I have seen 1.3ghz on this forum once, what is the majority of clocks you members are getting? ( 1.2-1.25 ghz ? ) Fan speed seems to make a big difference. Seeing as I have HS1A's I cant hear my rig now, so 75%+ fan speed is no problem.

I am sure you guys have seen this but I will share it again. So what are they doing that others aren't ? Just a good core or what??


http://hardocp.com/article/2012/01/09/amd_radeon_hd_7970_overclocking_performance_review
post #874 of 38704
Bench speeds are one thing, but 1200 on air 24/7 is a stretch, and trust me, 75% on this fan is rediculously loud, on 100% it sounds like a leaf blower .....

On respectable fan speed I would thing 1100 / 1150 24/7 is plausable as long as you get a nice chip in the lottery
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post #875 of 38704
Card came in today, pics up soon.
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post #876 of 38704
Quote:
Originally Posted by Levesque View Post

Wow. Really really interesting. There is 2 VID for the 7970, some are 1.05, and some are 1.175. This explains ALOT of things.
My 4 Asus 7970 VID are 1.05, and I was wondering why not 1.175. Afterburner is pumping my default voltage to 1.175, while the new Asus OC utilities stays at 1.05. Interesting. And alot of confusion ahead for newbies!
This explains alot of things, particularly why some people are getting crazy OC on stock, while other don't. Afterburner is pumping those 1.05 cards to 1.175 by default, so people think they are at stock, while they are OCed to 1.175, so they get good OC. So they are not at stock, since 1.05 is boosted to 1.175.But those with 1.175 cards are at stock. smile.gif
And those Sapphire 1335 are probably simply VID 1.05 cards, while the VID 1.175 cards will be the "regular" one. And all the manufacturers OC cards will be 1.05 also.
Hope this will stop the hysteria about the "voltage droop" that newbies are starting to spread everywhere.
So now the new hysteria will be people everywhere searching for those 1.05 VID 7970!!!!!! LOL!
In before the new hysteria "7970 with a VID of 1.05 for sale!" threads everywhere. biggrin.gif

i'm being dull, but where are you reading that there are two different VID's on the market right now? i'm not questioning the validity of it, just wondering where (if anywhere) i can read about it. it makes a lot of sense in my case as my XFX BEDD card shows around 1.05V in Afterburner. unlocking voltage control bumps the card to 1.17V by default and the temps (obviously) rise immediately. appreciate the info Levesque.
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post #877 of 38704
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post #878 of 38704
Quote:
Originally Posted by Witchdoctor View Post

Bench speeds are one thing, but 1200 on air 24/7 is a stretch, and trust me, 75% on this fan is rediculously loud, on 100% it sounds like a leaf blower .....
On respectable fan speed I would thing 1100 / 1150 24/7 is plausable as long as you get a nice chip in the lottery

Well then lets hope I win the Silicon Lottery ! smile.gif

Ill have pics up Thursday afternoon, then ill be in the club. smile.gif
post #879 of 38704
Quote:
Originally Posted by Witchdoctor View Post

Bench speeds are one thing, but 1200 on air 24/7 is a stretch, and trust me, 75% on this fan is rediculously loud, on 100% it sounds like a leaf blower .....
On respectable fan speed I would thing 1100 / 1150 24/7 is plausable as long as you get a nice chip in the lottery

In all honesty... 1020 mhz to 1150 mhz is not much noticeable. You dnt need to win the "silicon lottery" if you mildly overclocking on air.

In other news... Ive noticed this.... The longer the chip is being used, the more u can overclock it. I was getting major errors in OCCT with 1070 mhz (jan 9th), i am now on 1100 mhz stock voltage and default fan profile, no errors (jan 17th).
28nm, you sure are mysterious upsidedwnsmiley.gif
Edited by Denim-187 - 1/16/12 at 10:25am
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post #880 of 38704
So truly how much better is something like a MSI lightning 7970 going to be over my reference MSI 7970? It doesn't sound like a hole lot. Looking back at the 6970 lightning it didn't offer much over a reference card other then being quieter. I realize that 40nm was all ready seeing its peak, considering it was just a refresh of 5800 series. So are the litghnings going to be able to acheive 1300+ on all cards or is it going to be near the same OC'ing just at quiter DB? I guess my guess is as good as anyone's lol. smile.gif

Thanks for the input. Denim-187 From the screen shots you got for me, my 2 msi 7970's are going to be more than powerful as it is at stock ! biggrin.gif
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