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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 507

post #5061 of 38701
Quote:
Originally Posted by flopper View Post

7950 average 1240mhz.
7970 average 1320mhz.
On water cooling.
average is 100mhz more on 7970 with water, 60mhz with air.
http://hwbot.org/hardware/videocard/radeon_hd_7970/

According to that site this is the average for 7950 on air :

1157/1534MHz

I was pretty close with my 1150, no?
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post #5062 of 38701
Not at all, you were 7mhz off dude. Not even close lachen.gif
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post #5063 of 38701
Code:
I was strickly talking about the 7970. And my 1200 figure was a rough estimation of what i have read of others overclock. Also, the problem with hwbot is that the only people who submit scores are those that push their cards to the extreme. This does not provide a good sample of all cards and you have to expect there to be lower max overclocks overall when considering tje people who dont come on here and talk about it.

Quote:
Originally Posted by Hambone07si View Post

So the Atomic is suppose to come clocked at 1335core?

For anyone who hasnt seen/forgotten about this roadmap, here is a link for upcomming sapphire non ref cards

[=http://guru3d.com/news/sapphire-7970-atomic-1335mhz--possible-2304sp-7980/][/]

What i want is a binned chip and am happy to pay a small premium for it lol
Edited by jomama22 - 2/27/12 at 9:03am
     
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post #5064 of 38701
i cannot get any better than 1125/1550 @ stock volts. I haven't taken the time to change the voltage any but this is definitely a good OC right outta the box.
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post #5065 of 38701
Quote:
Originally Posted by jomama22 View Post

Code:
I was strickly talking about the 7970. And my 1200 figure was a rough estimation of what i have read of others overclock. Also, the problem with hwbot is that the only people who submit scores are those that push their cards to the extreme.

True but an example of where things is pushed at average at least.
24/7 is different for most especially on air.
We can extrapolate that the difference is around 100mhz between the models.
How each one card clock is different.
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post #5066 of 38701
it sucks that my inner conscience has a hard time believing that if i throw water blocks on a standard 7970 i can hit 1300 with all three cards. I would just hate to get 3 of them , have 2 be superstars and hit 1350 while one is stuck at 1200 or so and i would have to down clock them to have the same clocks across all three....obviously i am being quite naive about all of this but if i am spending the money, i want the best i can get. I know i would be happy with them but then i would always wonder...what if...lol

305


ahhhh its calling my nameeeee!!!!!!!!!!! The vrm back caps are interesting as is the bios button (instead of a switch) and the back plate as well. If you look at the rear bracket, it seems to me that there are a few extra connection ports as well (you can see the standard m-dp's but if you look towards the bottom of the i/o the connection block is twice as tall as a reference (which has a DL dvi where this one is).
Edited by jomama22 - 2/27/12 at 9:56am
     
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post #5067 of 38701
Quote:
Originally Posted by Daffie82 View Post

1200 average ??
I think that is abit exaggerated... Maybe for HD7970, but for HD7950 I think the average is more around 1150 core clock. Speaking here for cooling on air .... On water I guess the clocks can go higher quite easy. But on air I have seen most get around 1150 core clock for the hd7950.

I saw a test/overview on this some weeks ago, with multiple different 7950's and 7970's.... Was from different overclocking sites ans tests and so on... 7950 had an average of 1150-1170 some where, and 7970 had just a bit more, like 1170-1190mhz... My point is that you are correct wink.gif My numbers isn't exact, but damn close.
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post #5068 of 38701
Wattage with 7950 crossfire:

Some pages back we talked about power use, i had trouble overclocking my cards and thought maybe my 750w psu which is now 4 year old is not big enough/bad. So i bought a measuring thingy today that reads wattage.

Specs:
Intel 2500k at 4,7ghz with 1,4v
Asus sabertooth motherboard.
4 internal disks and one dvd rw.
8 fans (not much power).
16gb ram at 1600mhz @1,65v.
2x7950 powercolor with dual fans. Stock.

With that and doing 3dmark11 i peaked at 440w. With all tests i did that was the highest. (Under normal testing) I also tried going a 3dmark11 and prime95 on blend, peaked at 495w at most. So right now my gpu's are stock, but still with a big overclock on them i'm sure i'm way under 600w, and a old but good 750w psu will take that easily biggrin.gif

edited in fans that i forgot...+ ram
Edited by Ottesen - 2/27/12 at 12:29pm
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post #5069 of 38701
Quote:
Originally Posted by Hambone07si View Post

Not at all, you were 7mhz off dude. Not even close lachen.gif

lol biggrin.gif
Quote:
Originally Posted by Ottesen View Post

I saw a test/overview on this some weeks ago, with multiple different 7950's and 7970's.... Was from different overclocking sites ans tests and so on... 7950 had an average of 1150-1170 some where, and 7970 had just a bit more, like 1170-1190mhz... My point is that you are correct wink.gif My numbers isn't exact, but damn close.

Cool, thanks for the info.
I guess I will try to push my overclock a little more. I am at 1100 / 1500 now at 1175V but would like to reach 1150/1550 if possible on the same voltage smile.gif
Will keep you updated if that works wink.gif
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post #5070 of 38701
Quote:
Originally Posted by Daffie82 View Post

1200 average ??
I think that is abit exaggerated... Maybe for HD7970, but for HD7950 I think the average is more around 1150 core clock. Speaking here for cooling on air .... On water I guess the clocks can go higher quite easy. But on air I have seen most get around 1150 core clock for the hd7950.

I hit 1200 on my core without even trying and have lots of headroom both voltage and heat wise and I am on air! The 7950 is a beast (at least from Gigabyte on its Windforce cooler)!
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