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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 226

post #2251 of 38704
would my amd 995be @4ghz bottleneck a 7970? and i dont need intel fan boys telling me to get a i5. just want to know with facts not myths and hear say. thanks guys
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post #2252 of 38704
How do you get to adjust the core voltage in MSI Afterburner? I can't click or edit mine.
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post #2253 of 38704
^^You have to unlock the ability to do so first. Hit settings button.
Quote:
Originally Posted by unrealskill View Post

would my amd 995be @4ghz bottleneck a 7970? and i dont need intel fan boys telling me to get a i5. just want to know with facts not myths and hear say. thanks guys

It's going to hold any high end card back, that's just facts. However the 7970 is not as dependent on cpu as other gpus so it won't be as big a hit.

http://www.techpowerup.com/reviews/AMD/HD_7970_CPU_Scaling/12.html
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post #2254 of 38704
Quote:
Originally Posted by bigvaL View Post

Here's my results so far:
Voltage: 1260mv
Mem Voltage: 1600mv (stock)
Max temp: 76C
Core: 1200
Memory: 1600
Heaven Score: 2049
Vantage Score: 33496
OCCT ran without errors for 1 hour. Error check OFF. Full Screen ON. Shader Complexity 8.
Heaven ran fine... Vantage has a red tint to it on the 2nd test and a few others however it did that even at lower OC's and it ALWAYS looks the same. Is this something that's caused by drivers or lack of support for my card? I have Vantage installed and the v102 patch.
As far as the memory voltage goes, how high can I go on that? I guess since I can't see the temperature of the memory it's a hard cap at something?

Raise your memory clocks!!!! thumb.gif

Also note for everyone... tried enabling 20% overdrive with my overclock and it made zero difference. Just putting that out there.. although I use sapphire trixx.

338
Edited by MrWhiteRX7 - 1/26/12 at 10:53pm
    
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post #2255 of 38704
Quote:
Originally Posted by WiL11o6 View Post

Alright, so fresh install with drivers, etc from my previous post, seems to be same problem. The GPU usage never really sits at 95-99%, it fluctuates a lot. Here it is:
screenshotwin320001x.th.png
gpuusage.png

I dont think that is a real problem... most games didn't use 100% GPU power, especially when you have crossfire...

If you want to use absolutely 100% GPU, you have to use larger resolutions or eyefinity.
And of course, make sure you are absolutely sure that vsync is off
And check at what level Powertune is set

Use GPU-Z to monitor GPU clocks (set updating in background). AB isnt good in monitoring voltages and clocks at all

If you think that CPU is bottleneck, why you didnt monitor it? Standard task manager should be enough. You can use sysinternals process explorer too.
Edited by lothar - 1/26/12 at 10:58pm
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post #2256 of 38704
Quote:
Originally Posted by tsm106 View Post

^^You have to unlock the ability to do so first. Hit settings button.
It's going to hold any high end card back, that's just facts. However the 7970 is not as dependent on cpu as other gpus so it won't be as big a hit.
http://www.techpowerup.com/reviews/AMD/HD_7970_CPU_Scaling/12.html

ok thanks alot, i have a am3+ mobo so i can all ways upgrade later. i just sold my gtx 570 it did not seem bad on that in games.
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post #2257 of 38704
Just want to ask all those who are overclocking reference cards. Was it worth it for the minimal gains 10-15 fps? Seems like it causes nothing but problems. Crashing, over heating, loud fan speeds, driver problems, artifacts in games. What a mess if you ask me. Hell some people are getting rid of their cards from oc frustration. Is a stable smooth running stock clocked card not enough? This thread alone has convinced me to wait for a decent oc'd non reference card and leave it the hell alone. I understand the challenge aspect of pushing the card but what a headache.
 
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post #2258 of 38704
my card OC poorly. I am only able to reach 1150mhz core clock with 1174v. I can't even reach 1170mhz core with 1300v max frown.gif
I ran OCCT to test stability and 1150mhz is good enough?
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post #2259 of 38704
Quote:
Originally Posted by krazyatom View Post

my card OC poorly. I am only able to reach 1150mhz core clock with 1174v. I can't even reach 1170mhz core with 1300v max frown.gif
I ran OCCT to test stability and 1150mhz is good enough?

Better than mine, OCCT would artifact at 1150Mhz with any voltage on my end.
    
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post #2260 of 38704
My CrossfireX 1250 / 1700 mhz.... 24/7 Overclock final benchmarks.
-
338
338
Edited by Denim-187 - 1/26/12 at 11:47pm
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