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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 292

post #2911 of 38735
You guys getting the 7990 when it comes out? tongue.gif I am interested to see what the green dudes bring to this fight tho...
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post #2912 of 38735
Quote:
Originally Posted by NorxMAL View Post

Anyone that increases the memory voltage at 1600? BF3 crashes and says it ran out of memory..

Not a video memory problem.
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post #2913 of 38735
Quote:
Originally Posted by Elfear View Post

Thanks. The core seems to overclock very well but my vram is only mediocre.
Here are the Metro 2033 results at 1080p (even though it says 2560x1600 in the title). Same clocks of 1390/1600.
metro203379701390160010.jpg

So how do we explain my 1190mhz OC trumping your 1390mhz OC ?
I Just ran the exact same settings and scored 4FPS more so it looks like there's something majorly wrong with your clocks dude.
And its not the memory clock since ive already tested the affect of overclocking it has on this game in this thread somewhere which is not much at all.

My 1920x1080p run:
338



EDIT: Actually looking at all the black line frame spikes in your graph, i would say your 1390 mhz overclock is definitely unstable, find the best clock that works and use that man, no use having a king clock if its not doing you good.
Edited by Denim-187 - 1/31/12 at 6:30pm
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post #2914 of 38735
Quote:
Originally Posted by Elfear View Post


I've been extremely impressed with the overclocking headroom of these cards. Makes me laugh too when I see people dogging on the 7000 series. They are only 20-25% faster than the 580 at stock but with overclocking they really stretch their legs. Can't wait for the custom PCB 7970's to show up. An extra power phase + dual 8-pin connectors should make things really interesting. biggrin.gif


:)

 

I wish Asus or someone would thin a little more outside the box.

 

Instead of taking up 3 (or 4!) full slots, with a design that still dumps hot air into the case (thereby recycling some of it back through the cooler), why don't they make a super efficient windtunnel system, with a cold air intake to the side panel, and a high speed high pressure output through the back PCI slots. That was they could have a card that takes up 2 full slots, and uses the third just for the exhaust, sort of on an angle if you can follow.

 

 

Cold air in, hot air out, very very fast. That's not rocket science?? But they just put bigger and bigger sinks and fans on a recirculating internal intake and exhaust - it's almost self-defeating in a way! They are just a big heater inside the case.

 

But it sure looks impressive...

 


Edited by chillgreg - 1/31/12 at 6:28pm
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post #2915 of 38735
Quote:
Originally Posted by jshotz View Post

You guys getting the 7990 when it comes out? tongue.gif I am interested to see what the green dudes bring to this fight tho...


I wonder how much it will be. $1000 in Australia? Maybe I should just wait - if I'm gonna drop $750 today maybe I should just bite the bullet and drop a gorilla down the track...plus the new PSU :@

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post #2916 of 38735
Stock 1.112mv
76.5% ASIC

1050 1.143mv | 1700 1608mv - 50% fan
Asus oc bios
No ccc +20

65cish

My Block can't wait till Friday for my tubing and coil thumb.gif

S2EuP.png
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post #2917 of 38735
Quote:
Originally Posted by chillgreg View Post



Not so much whether Crossfire is enabled or not, but the different PCI-e lanes can have (very) minor vaguaries and temperature differences due to position in the case. Might be worth a try.

Already tried. The card just doesn't overclock like 90% of the other cards. For me to get 1125/1575 -- I need a .05 adjustment.... just a bump here and there. If it's a .1 bump, crash..... it's just picky.
     
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post #2918 of 38735
well this sucks looks like tigerdirect isnt gonna be carrying anymore of the xfx double d 7970 o/c
so now i gotta figure out what to get since my order was already placed and they messed up my cc
post #2919 of 38735
Quote:
Originally Posted by Balsagna View Post


Already tried. The card just doesn't overclock like 90% of the other cards. For me to get 1125/1575 -- I need a .05 adjustment.... just a bump here and there. If it's a .1 bump, crash..... it's just picky.


I also have an Asus board. I removed the crapware that came with it; from memory one of the profiles reduced power to the PCI slots. Just stabbing in the dark, like you said, all CPU's are a lottery and it's logical for one to be superior to the other. Good luck and have fun! :)

 

Edit: I'll know soon enough since I've just ordered one, but in perspective 1125 and 1575 are still amazing speeds. From 4.3 billion transistors on a 32 micron die, that's flabbergasting really. And they held back the 32m die from release last year due to manufacturing issues! Imagine what a binned chip in 6 months will do with water...or Nitrogen...the mind boggles! sonic.gif

 


Edited by chillgreg - 1/31/12 at 8:02pm
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post #2920 of 38735

Ok finally got annoyed with myself for sitting on the fence.

 

I just ordered the Sapphire Reference 7970, and it will be here in 30 minutes. So now I am anxious, (slightly) guilty, excited, man oh man am I excited! wheee.gif

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