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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1369

post #13681 of 38701
HD 7970 for sure.

It has more V ram + it's faster...
 
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post #13682 of 38701
A quick glance over the owner's list seems to tell me that the Sapphire cards are quite popular and also overclock well. Good cooler + stock PCB layout is also nice since it makes water cooling easier if ever I want to do that. thumb.gif
post #13683 of 38701
Quote:
Originally Posted by Statius View Post

HD 7970 for sure.
It has more V ram + it's faster...

7970/680 are both about the same speed... the 7970 isn't faster
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post #13684 of 38701
Quote:
Originally Posted by ahnafakeef View Post

I asked this in the GTX 680 Lightning owner's thread once, and now I'll ask here.
MSI HD 7970 Lightning vs MSI GTX 680 Lightning - which one should I get? For a 120Hz 1080p screen.
Thanks a lot! smile.gif

Hard call, both are great cards, 7970 better for some things, 680 better for others.
Quote:
Originally Posted by BlackWS6 View Post

After doing some testing with my replacement 7970 that arrived last week I found that it did the same exact thing under load (Black screen, power saving) even after a fresh install, regardless of drivers. Anyways, I decided to hook my coolmax 1200w back up again and see if it's a power-related issue. (This thing would darn near immediately black screen even at stock clocks and 1.3v so it wasn't heat). To my surprise, even at 1.3v (I know, it's high) and 1220Mhz core, 1650Mhz memory, hottest it got to after a couple hours of Heaven loop while I was working out in the garage was 74ºC and kept on carrying on. Just got done playing BF3 for about an hour with no issues either. DUMB A$$ Antec 900W "Gamer series" PSU PCI-E is weak! Have the 1200w laying next to the case and will have to somehow get it in this baby case soon lol. Just thought I'd follow up since I originally thought it was a degraded/damaged card but looks like it's my new PSU!
PS - Are you guys stating your voltages set in AB or voltages under load using HWINFO? My voltages are significantly lower under load. I'd venture to say my 1.3v in AB really puts 1.25v on the card under load. Just want to make sure I'm on the same page as everyone else!

Think most would be reporting the voltage set in software, 7970s do have fairly heavy vdroop though.
Quote:
Originally Posted by LAF View Post

7970/680 are both about the same speed... the 7970 isn't faster

They are very close. For benchmark junkies the 7970 does a bit better in most 3dmark & heaven bench.
    
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post #13685 of 38701
Is 1625mv safe for my HD 7950
memory voltage?
 
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Intel Core i5 2500K ASRock Z68 Extreme3 Gen3 Gigabyte Radeon HD 7950 Windforce X3 Sapphire Radeon HD 7950 Dual-X  
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post #13686 of 38701
Quote:
Originally Posted by kahboom View Post

No its not even that its which ever gpu i put in the second pci-e slot says it has 2048? I was just wondering what the deal is. Oh and for all those who don't like to mess the registry for core parking here is a utility that will do it for you just run the exe, and even if you don't have HT as long as you have more than 1 core on you cpu windows 7 will park cores at random, yes i know kind of lame Core Parking Utility.zip 1202k .zip file enjoy biggrin.gif

So you are saying that on my W7 Enterprise x64 and with my i5 2500K WITHOUT HT, I will gain performance in gaming by changing the core parking ??

Can someone confirm this?


Quote:
Originally Posted by kahboom View Post

I have a fx 8150 @ 4.7ghz water cooled and a fx 8150 @ 4.5ghz air cooled, i have core parking disable on both it helps with microshutter and i have it disabled all the time, another useful tip for ati cards it to change the gpu priority in the registry :
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile\Tasks\Games]
"Scheduling Category"="High"
"SFIO Priority"="High"
"Background Only"="False"
"Priority"=dword:00000001
"Clock Rate"=dword:00002710
"GPU Priority"=dword:00000001
"Affinity"=dword:00000000
this will also help

By reading here : http://www.mikemartin.co/gaming_tweaks/tier_2/set_proper_task_priorities

It seems that most of these settings are useless anyway...
''GPU priority'' is not yet used, so does not matter what you fill in there...
''Priority'' : For tasks with a Scheduling Category of High, this value is always treated as 2. So no use setting it as 1 ...


HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile

This key contains a REG_DWORD value named SystemResponsiveness that determines the percentage of CPU resources that should be guaranteed to low-priority tasks. For example, if this value is 20, then 20% of CPU resources are reserved for low-priority tasks. Note that values that are not evenly divisible by 10 are rounded up to the nearest multiple of 10. A value of 0 is also treated as 10.

And setting this value to 0 as seen on the internet often is useless also because 10 is the minimum value.

So I am kind of wondering if this will be usefull in any way (usefull = performance gain)
Edited by Daffie82 - 7/24/12 at 12:55am
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post #13687 of 38701
Guys do you know some method to mix SMAA with FXAA? I'd like the way FXAA modifies colours and other thigs, otherwise FXAA is not so good in AA, i prefer more the SMAA but this one doesn't modify other than AA, so i'd like to know if there is some toll to use SMAA and FXAA together
post #13688 of 38701
Guys, is it possible to set independent custom fan control in MSI AB, one custom fan control for each GPU?
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post #13689 of 38701
Quote:
Originally Posted by Statius View Post

Is 1625mv safe for my HD 7950
memory voltage?

Shouldn't be a problem since my stock voltage for memory is 1600mv, my 7950 doesn't even have a heatsink on the VRM, though that will change since I got my EK full cover block today. thumb.gif
Quote:
Originally Posted by sena View Post

Guys, is it possible to set independent custom fan control in MSI AB, one custom fan control for each GPU?

Nope unless your GPU has 2 fan plugs.
Edited by Kokin - 7/24/12 at 3:11am
    
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post #13690 of 38701
Quote:
Originally Posted by Kokin View Post

Shouldn't be a problem since my stock voltage for memory is 1600mv, my 7950 doesn't even have a heatsink on the VRM, though that will change since I got my EK full cover block today. thumb.gif
Nope unless your GPU has 2 fan plugs.
I meant for two cards. I will buy one more HD 7950 in next 15-20 days, so i need to know.
Also anyone knows hit to fix overscan?
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