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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 181

post #1801 of 38704
Quote:
Originally Posted by UNOE View Post

You getting better results with that bios ?

Its definitely the bios to have on your 7970. The previos driver was a beta. Doing some more testing tonight.

Quote:
Originally Posted by WiL11o6 View Post

What is GPU throttle? So it's better with +20 power control?

No, it is not. Big problems with CCC and overclocking atm, so just leave overdrive disabled and don't worry about that.

Quote:
Originally Posted by lothar View Post

I wrote post about it.
If you disable overdrive in CCC, powertune works at standard settings (+0%) and throttles GPU clock
If you enable overdrive and set powertune to +20% throttling goes away...
I have checked this with GPU-Z and energy power meter.
My settings: CCC Overdrive enabled, Powertune +20%, clocks and voltages set by MSI AB


This does throttle your GPU's, but only in those synthetic gpu tools. i.e Furmark, OCCT.
Your GPU's will not throttle in games.
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post #1802 of 38704
Maybe I'll give this card another chance before I sell it.

Got some testing tonight:

Gputool STresstest 30 mins non fullscreen (stresses harder)
temps kept under 73c (74c for last run) - this was done on purpose as that's what I usually game at temp wise
cpu @ 5ghz
no throttling as per GPU-Z
stock V = 1174mv

start 1:24AM 1160mhz stock V
PASS
START 2:24AM 1170mhz stock V
PASS
START 3:00AM 1175mhz stock V
FAIL
START 3:12AM 1175mhz 1181mv
FAIL
start 3:17AM 1175mhz 1187mv
PASS

Still a 27% OC... wish I could go further tho. My 570gtx only OC'd 24.4%.

Next up, memory
Edited by Scorpion667 - 1/24/12 at 1:15am
    
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post #1803 of 38704
Quote:
Originally Posted by Denim-187 View Post

Its definitely the bios to have on your 7970. The previos driver was a beta. Doing some more testing tonight.
No, it is not. Big problems with CCC and overclocking atm, so just leave overdrive disabled and don't worry about that.
This does throttle your GPU's, but only in those synthetic gpu tools. i.e Furmark, OCCT.
Your GPU's will not throttle in games.

It's not true, try Metro 2033 at maximal settings...biggrin.gif

Of course throttling occurs only marginally at max load
If you set powertune to +20% you got one simple effect - minimal framerate got higher ... like WiL11o6 posted...

In my opinion setting powertune to +20% is absolute must for overclocking
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post #1804 of 38704
I'll get this out there,

I ordered my second 7970 and how are the CFX drivers vs SLI? I mean, once a final driver is issued for a specific game, say BF3, is there really any difference in performance between CFX vs SLI? Other than dual GPU scaling, are there other differences, i.e. stuttering, crashes, MICRO-stuttering, jitters, etc? I am a bit worried because A LOT of people are having issues with their CFX 7970s, but I am sure a lot of people over at NVIDIA are also. Are AMD CFX drivers blown out of proportions or are NVIDIA SLI drivers on another level.

I did have SLI 570s and it microstuttered in BF3, where 80 fps felt choppy and I had to turn vsync on. Skyrim, at certain places I would get massive stutter at 100+ fps. Not microstutter where fps isn't smooth, stutter where the fps locks up and skips so if I turn 360 in one motion, the screen would freeze and jerk.

Or are there people who only spent 5 minutes after putting in their second AMD card and something isn't working so they quickly make a thread on how much AMD driver sucks?
post #1805 of 38704
Quote:
Originally Posted by WiL11o6 View Post

I'll get this out there,
I ordered my second 7970 and how are the CFX drivers vs SLI? I mean, once a final driver is issued for a specific game, say BF3, is there really any difference in performance between CFX vs SLI? Other than dual GPU scaling, are there other differences, i.e. stuttering, crashes, MICRO-stuttering, jitters, etc? I am a bit worried because A LOT of people are having issues with their CFX 7970s, but I am sure a lot of people over at NVIDIA are also. Are AMD CFX drivers blown out of proportions or are NVIDIA SLI drivers on another level.
I did have SLI 570s and it microstuttered in BF3, where 80 fps felt choppy and I had to turn vsync on. Skyrim, at certain places I would get massive stutter at 100+ fps. Not microstutter where fps isn't smooth, stutter where the fps locks up and skips so if I turn 360 in one motion, the screen would freeze and jerk.
Or are there people who only spent 5 minutes after putting in their second AMD card and something isn't working so they quickly make a thread on how much AMD driver sucks?

But AMD didn't released CFX 7970 official driver yet...
All are betas and previews
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post #1806 of 38704
Oh, I didn't know.

Do you know where I could download them so I can be ready when I get my card? Navigating through AMD's site is not as easy as Nvidia's.
post #1807 of 38704
Quote:
Originally Posted by WiL11o6 View Post

I'll get this out there,
I ordered my second 7970 and how are the CFX drivers vs SLI? I mean, once a final driver is issued for a specific game, say BF3, is there really any difference in performance between CFX vs SLI? Other than dual GPU scaling, are there other differences, i.e. stuttering, crashes, MICRO-stuttering, jitters, etc? I am a bit worried because A LOT of people are having issues with their CFX 7970s, but I am sure a lot of people over at NVIDIA are also. Are AMD CFX drivers blown out of proportions or are NVIDIA SLI drivers on another level.
I did have SLI 570s and it microstuttered in BF3, where 80 fps felt choppy and I had to turn vsync on. Skyrim, at certain places I would get massive stutter at 100+ fps. Not microstutter where fps isn't smooth, stutter where the fps locks up and skips so if I turn 360 in one motion, the screen would freeze and jerk.
Or are there people who only spent 5 minutes after putting in their second AMD card and something isn't working so they quickly make a thread on how much AMD driver sucks?

I owned 570's to. I would say the stutter was VRAM limit in Skyrim and BF3. 570's have the lest microstutter out of all muilt GPU setups. I yet to have seen a good test from 7970. Its quite possible that 7970 could have even less microstutter than 570's or any other GPU for that matter. I want to see some real test though with slowmotion camera. But really I don't think you will get much measurable microstutter with 570's on any game that doesn't max out VRAM. But both titles you mentioned happen to be the only games I know of that max out 1.2gb of vram. So the pauses you see is the GPU refreshing the memory in the VRAM on the 570's you won't get that on 7970 even with lower frame rates it is smoother because the 7970 has 3gb vram. This along with my monitor 3d ready for Radeon is why I side graded from 570 SLI to a single 7970.
Edited by UNOE - 1/24/12 at 1:50am
 
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post #1808 of 38704
Quote:
Originally Posted by WiL11o6 View Post

Oh, I didn't know.
Do you know where I could download them so I can be ready when I get my card? Navigating through AMD's site is not as easy as Nvidia's.

Official http://sites.amd.com/us/game/downloads/Pages/radeon_win7-64.aspx

RC, betas, preview drivers http://support.amd.com/us/Pages/Catalyst-Hotfixes.aspx
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post #1809 of 38704
anyone with crossfire want to run this test with a single GPU and again with CF. I know its not the best test but could reveal some things
http://www.overclockers.com/micro-stutter-the-dark-secret-of-sli-and-crossfire/
 
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post #1810 of 38704
Well Ive found an interesting article about the new feature on gpuz. I just wanted to share it with all of you, since my XFX-7970 Core Edition will be arriving tomorrow on my door and soon I'll be part of the club, right?.

Seems that the ASIC feature is failing on giving a reliable quality result...

http://www.geeks3d.com/20120122/test-asic-quality-of-geforce-gpus/
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