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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1976

post #19751 of 38704
Quote:
Originally Posted by SoloCamo View Post

I'm so far only able to do about 1210 core and 1675 @ 1.225v, on a stock cooled xfx double d 7970ghz edition. Think I've got a lot of head room left? Temps seem ok but I notice a bit of stability issues at 1225 core even at 1.225 volts
Also 1700 on the memory was not stable but 1675 was for me.. not sure what the average clocks are for these? As yours seem quite a bit higher than most I see

It is different from chip to chip, also he is running it on water. My HD7950 maxes out at only 1215/1675 MHz but that require 1.3mV on core & 1.5mV on memory. It also have a very low ASIC.
I don't need the core at 1200+/1650+ MHz. doing 1100/1500 while running cool and quiet is enough for my 24/7 usage.
But I got it for cheap so I am pleases with the performance so far. As fast as my GTX 670 or faster in some games. but costed me significantly less.
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post #19752 of 38704
Quote:
Originally Posted by NotReadyYet View Post

***Reposting this so it doesn't get lost. Would really appreciate thoughts on this because I am at a loss***

I ran 3DMark again last night and got some interesting scores. I am using 12.10 drivers. Card running @ 1160/1500 with ASIC of 64%

X3144
X3143
P9849

Compared to a few days ago running the same exact settings:
X3301
X3281 Card @ 1150/1500

What would cause such a steep drop in score? It boggles my mind that the same settings produced a 157 point drop. I think something is amiss but I can't quite put my finger on it.

Is it the exact same settings or is one running 10mhz faster then the other? Could the increase from 1150 to 1160 be causing a little instability, causing the lower score
post #19753 of 38704
Sorry to but in, but has anyone noticed strange crossfire performance on Witcher 2? The min fps is lower but the max fps is a lot higher.
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post #19754 of 38704
Quote:
Originally Posted by HeadlessKnight View Post

Impressive. I wonder If a 7970 at those clocks can break 60 fps in Heaven at 1920x1080.

Hmm, break 60fps at 1080? I doubt it since the average difference between 1080 and 1050 is 10fps. I would have to hit 70fps which is crazy because every fraction of a fps has to be clawed for.
Warning: Spoiler! (Click to show)
*Edit: Cpu at 5.1ghz. I thought I bumped it to 5.2ghz but lol I forgot to change the multi so it was still 5.1.


Quote:
Originally Posted by SoloCamo View Post

I'm so far only able to do about 1210 core and 1675 @ 1.225v, on a stock cooled xfx double d 7970ghz edition. Think I've got a lot of head room left? Temps seem ok but I notice a bit of stability issues at 1225 core even at 1.225 volts
Also 1700 on the memory was not stable but 1675 was for me.. not sure what the average clocks are for these? As yours seem quite a bit higher than most I see


Your clocks are pretty good for the stock cooler. The thing with tahiti is that it is temp limited on overclocks so the fact that you can even hit those clocks on the stock cooler shows a lot of promise. The real test, it's like the pot of gold at the end of the rainbow is when you get the card under water, then you can really see what "she" can do. Btw, the card in the benches I just posted are from a XFX BE.
Edited by tsm106 - 1/9/13 at 4:49pm
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post #19755 of 38704
Quote:
Originally Posted by blkdoutgsxr View Post


Is it the exact same settings or is one running 10mhz faster then the other? Could the increase from 1150 to 1160 be causing a little instability, causing the lower score

No, it's not that. I re-edited my post to reflect the clocks.

    
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post #19756 of 38704



These scores are everything on stock





I was wondering if anyone can help, But why is my memory at 667mhz, mine is supposed to be 1600mhz
post #19757 of 38704
Workload work failed with error message: eva::d3d11::rendering::scene_renderer::render(): draw_depth_task for thread 0: File: device_context.cpp
Line: 515
Function: struct ID3D11CommandList *__cdecl eva::d3d11::deferred_device_context::do_finish_command_list(bool)

Expression: native()->FinishCommandList( restore_deferred_context_state, &result): DX11 call failed.

Device hung due to badly formed commands.
DXGI_ERROR_DEVICE_HUNG: ID3D11DeviceContext::FinishCommandList:

Just got this error clocked at 1195/1600..is it a bad overclock?
post #19758 of 38704
Quote:
Originally Posted by Flameboy294 View Post

Workload work failed with error message: eva::d3d11::rendering::scene_renderer::render(): draw_depth_task for thread 0: File: device_context.cpp
Line: 515
Function: struct ID3D11CommandList *__cdecl eva::d3d11::deferred_device_context::do_finish_command_list(bool)

Expression: native()->FinishCommandList( restore_deferred_context_state, &result): DX11 call failed.

Device hung due to badly formed commands.
DXGI_ERROR_DEVICE_HUNG: ID3D11DeviceContext::FinishCommandList:

Just got this error clocked at 1195/1600..is it a bad overclock?

I hate to say it. but yes mate, that messege poped because of the unstable overclock redface.gif .
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post #19759 of 38704
Quote:
Originally Posted by HeadlessKnight View Post

I hate to say it. but yes mate, that messege poped because of the unstable overclock redface.gif .

Funny i would have thought a sapphire 7970 vapor X would deal with it fine..temp was less then 65..i have a feeling i need to play with voltage abit but i have no idea how
post #19760 of 38704
Quote:
Originally Posted by Flameboy294 View Post

[IMG ALT=""]I was wondering if anyone can help, But why is my memory at 667mhz, mine is supposed to be 1600mhz

What does cpu-z show for the memory? I know most BIOS default to 1333 regardless of the ram installed.
Quote:
Originally Posted by Flameboy294 View Post

Funny i would have thought a sapphire 7970 vapor X would deal with it fine..temp was less then 65..i have a feeling i need to play with voltage abit but i have no idea how

What's the current voltage? I keep mine @ 1.225v for 1210mhz core
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