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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 602

post #6011 of 38701
On another note, how many 7950's... or rather let me ask it like this, shouldn't everyone be able to hit over 1GHz core on stock voltages?

My HIS 7950 seems retarded, it can hit 1850 memory but only touches 980 on the core on stock volts of 1.031... at 1.043 volts it hits 1ghz and slowly climbing aswell, memory I expect to probably get to 1.9? Maybe.

What's best, 1.1 GHz core / 1500 memory or 1GHz core and 1900 memory? tongue.gif
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post #6012 of 38701
@overclocker
Have you tried the card in another pc?

Maybe clean the registry with ccleaner too in case some nvidia/old drivers sticking around.
Uninstall drivers and pull the card out, maybe reset bios.

@Kharnak

Im using 1.1 for 1050/1500

I can probably go higher with memory but its getting to 77c max temp with 70% fan speed.
Edited by Munchkinpuncher - 3/9/12 at 9:07pm
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post #6013 of 38701
Quote:
Originally Posted by Kharnak View Post

On another note, how many 7950's... or rather let me ask it like this, shouldn't everyone be able to hit over 1GHz core on stock voltages?
My HIS 7950 seems retarded, it can hit 1850 memory but only touches 980 on the core on stock volts of 1.031... at 1.043 volts it hits 1ghz and slowly climbing aswell, memory I expect to probably get to 1.9? Maybe.
What's best, 1.1 GHz core / 1500 memory or 1GHz core and 1900 memory? tongue.gif

Is 1850 even possible without LN2 and OCP hard mod??
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post #6014 of 38701
Quote:
Originally Posted by tsm106 View Post

Is 1850 even possible without LN2 and OCP hard mod??

I'd guess so.. Unless i'm doing something wrong here ._.

I think I recall something about GDDR5 throttling? But it doesn't seem to be the case here... From 1500 memory to 1850 it's only been giving me improvements, so it doesn't seem to be throttling..

Ah well at least it's 15min 1920x1080 Furmark burn in test stable, and BF3 aswell(still weird with those texture glitches, but they are there, with or without overclock), max temp is 75 atm with fan speed at 50-65%

http://oi43.tinypic.com/2n1rpcg.jpg



**edit** memory is at 1800 on that pic, I don't really know why but I was just hoping that it would let me increase core clock abit more... :3
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post #6015 of 38701
Quote:
Originally Posted by Kharnak View Post

I'd guess so.. Unless i'm doing something wrong here ._.
I think I recall something about GDDR5 throttling? But it doesn't seem to be the case here... From 1500 memory to 1850 it's only been giving me improvements, so it doesn't seem to be throttling..
Ah well at least it's 15min 1920x1080 Furmark burn in test stable, and BF3 aswell(still weird with those texture glitches, but they are there, with or without overclock), max temp is 75 atm with fan speed at 50-65%
http://oi43.tinypic.com/2n1rpcg.jpg

Texture glitches are proof of vram errors. You are so deep into the error (zone) correction dude.
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post #6016 of 38701
Quote:
Originally Posted by pfunkmort View Post

@kharnak it's not 7900 exclusive. My old 460 did the same thing. I think it's the game, tbh.
@overclocker55 what driver are you using? Also, have you not clean installed since using an Nvidia card?

lol I have new amd drivers. cleaned but I still have nvidia drivers on. do I needa delete them?
post #6017 of 38701
Quote:
Originally Posted by tsm106 View Post

Texture glitches are proof of vram errors. You are so deep into the error (zone) correction dude.

I wonder how many times I have to repeat myself... :/


I get the texture glitches with, and even without any overclocks at all.


At the moment, it seems Unigine benchmark won't run at 1030mhz core though, where furmark 15mins burn in benchmark and 1+ hours of BF3 were stable. Hmm :<<br />
Let's see...
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post #6018 of 38701
Hi all, i need help. I got my 2xSapphire 7950's yesterday, and i have a few OC issues.

So i followed the following steps:

Reinstall windows
Install Drivers (12.2)
Install MSI afterburner Beta 14
Start clocking the card, checking with aquamark 3
get to Afterburner max of 1100 without even breaking a sweat
Enable unofficial Overclocking
Restart Afterburner
suddenly i can clock the card at all, i can change the voltage but all the clocks read as 0???

SOOOO frustrating, Im pretty sure these cards can hit 1200 without too much hassle. Anyways, any help here and i will be hugely grateful.

Thanks
   
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post #6019 of 38701
Powered by Unigine Engine

Heaven Benchmark v3.0 Basic The results (Click to show)
FPS:
26.7
Scores:
672
Min FPS:
7.3
Max FPS:
48.5
Hardware

Binary:
Windows 32bit Visual C++ 1600 Release Mar 7 2012
Operating system:
Windows 7 (build 7601, Service Pack 1) 64bit
CPU model:
AMD Phenom(tm) II X4 955 Processor
CPU flags:
3199MHz
GPU model:
AMD Radeon HD 7900 Series 8.950.0.0 3072Mb
Settings

Render:
direct3d11
Mode:
1920x1080 2xAA fullscreen
Shaders:
high
Textures:
high
Filter:
trilinear
Anisotropy:
8x
Occlusion:
enabled
Refraction:
enabled
Volumetric:
enabled
Tessellation:
extreme

This is /NOT/ on a light weight install of Windows 7, it's done on a cluttered mess so the results aren't top notch..

Could anyone do a quick bench of their 7950 to compare with these results?
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post #6020 of 38701
Quote:
Originally Posted by SystemTech View Post

Hi all, i need help. I got my 2xSapphire 7950's yesterday, and i have a few OC issues.

So i followed the following steps:

Reinstall windows
Install Drivers (12.2)
Install MSI afterburner Beta 14
Start clocking the card, checking with aquamark 3
get to Afterburner max of 1100 without even breaking a sweat
Enable unofficial Overclocking
Restart Afterburner
suddenly i can clock the card at all, i can change the voltage but all the clocks read as 0???

SOOOO frustrating, Im pretty sure these cards can hit 1200 without too much hassle. Anyways, any help here and i will be hugely grateful.

Thanks


You have to restore the missing files in 12.2.

 

More details here; [Fixes] Catalyst Drivers Error & Overclocking Issue & Screen Tearing & Eyefinity
 

 

 

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