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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1683

post #16821 of 38701
Quote:
Originally Posted by psyside View Post

Quote:
Originally Posted by stubass View Post

see the difference between idle and load.. it is normal..


and yeah i forgot i had some issues with youtube so i also disabled HW acceleration like that the above said to do and havernt issues with YT since smile.gif

Thanks rep + ye i disabled HW accelaration, will report back if i have any issues after.

BTW great clock on memory there, and temps as well!

Can you please post GPU-Z with VRM temps after oc load with heaven max settings, (10+ mins run) thanks! thumb.gif

i am now having problems with heaven crashing my system after about a minute after loading frown.gif
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post #16822 of 38701
Spent the better half of my night setting up the heatsinks and getting my card set up for the Accelero, pretty excited, most stressful thing I've done though, taking apart my baby.

Once you get it done it's really not that big of a deal but everywhere I read someone was like "BE CAREFUL OR EVERYTHING WILL DIEEEEEE" so I was a bit intimidated. Leaving the epoxy to dry overnight, then I'll put her in in the morning! thumb.gif
    
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post #16823 of 38701
I've been having some issues with my 7970, I feel like this was happening around release of the cards but I can't seem to find any threads or posts about it when I search around. My League of Legends and Garry's Mod play as though they are running in Slow-Motion. Characters are glitchy (like jumping around as to get to the natural spot on the map opposed to where they would be if it was actually in slow motion). My FPS in LoL is in the 90s when this happens, 25-75 ping depending on time of play as well.

I did see when I was in Garry's Mod that my 7970 would downclock the core to 501 mhz from my 1125 OC and stock settings (1080 core) occasionally, but not enough where it would cause the stuttering in the games.
I would be extremely grateful for all the help I can get. sad-smiley-002.gif

The thread I created, so as to not clog up this thread, is located below:
http://www.overclock.net/t/1317055/7970-problems-every-game-is-now-in-slow-motion
post #16824 of 38701
Guys, how you can seat with fan speed more than 50%, mine vapor-x is like a starting F16 with more than 50% fan speed...
post #16825 of 38701
Quote:
Originally Posted by adamlop View Post

Guys, how you can seat with fan speed more than 50%, mine vapor-x is like a starting F16 with more than 50% fan speed...

is your fan set to auto, did you try setting the fan to manual and even making a speed curve?
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post #16826 of 38701
After 3 nights of letting my 7950 TF3 run for 3 nights, it is still singing the song of its people. The coil whine is ridiculous. Just bought a used sapphire 7950 950mhz and hope it turns out better. The seller claims it doesn't whine. I really hope that is the case else my seasonic x-660 may be the problem right?
post #16827 of 38701
Quote:
Originally Posted by adamlop View Post

Guys, how you can seat with fan speed more than 50%, mine vapor-x is like a starting F16 with more than 50% fan speed...
I've wondered that myself but what amount of noise people tolerate varies a lot. With boost bios enabled no OC (waiting non beta Trixx or new afterburner for OC) my temps were 70C+ with fan reaching 48%+ which was too much for me. Then I installed 14cm side fan to the case which blows straight to the card and temp's lowered to 60C and vrm temps came down 15C as well. I even ended up lowering the default fan speed with afterburner so that fan runs at 40-44% under load and temps still stay under 65C.
post #16828 of 38701
My 7950 vapor-x without oc on second bios but only 850mhz (boost doesn't work for me until i set power limit to +20%)
max temp 56 oC
max fan speed 47% (1973rpm)
max vrm1 71 oC
max vrm2 55 oC
Looks perfectly after one loop of unigine heaven for me, and that was quiet

But, on 1100/1250@std 1.057v / Fan AUTO
max temp 64 oC
max fan speed 57% (2520 rpm)
max vrm1 107 oC
max vrm2 69 oC

worried about vrm1 temp, but 57% speed was maximum acceptable loudnes for me.
So let's look at manual fan speed:
FAN / max gpu t / max vrm1 t / max vrm2
100% / 59 / 91 / 59
80%/ 60 / 93 / 60
60% / 63 / 105 / 68

And the last one, after dropping core to 1050mhz, Fan AUTO
57% / 64 / 104 / 68

So let's find when i drop under 90 oC on VRM1 / Fixed fan speed 60%:
clock / gpu temp / vrm1 temp
1000 / 62 / 97
so let's look at BOOST 950 core clock
950 / 62 / 96
So temp on vrm1 can safely reach 100 oC on sapphire 7950 Vapor-X which is normal temp at boost clock 950mhz
Edited by adamlop - 10/17/12 at 1:59am
post #16829 of 38701
Quote:
Originally Posted by RKTGX95 View Post

Does anyone here knows what is different about the ASUS HD 7950 DCUII-V2?
AFAIK it has a better fitted and performing cooler and a shorter pcb, but no real pics of that. i wonder if it comes with a backplate and which water blocks might fit on it?
(and the most interesting, its the cheapest 7950 available to me...)
though IMO its not as good as the Sapphire 950 mhz one. (which not only do i have, but is also the most expensive one)

The ASUS has cooling issues with its 7950. Ref here http://www.behardware.com/news/12153/asus-hd-7950-directcu-ii-defaut-attention.html
post #16830 of 38701
Quote:
Originally Posted by billgates8889 View Post

Quote:
Originally Posted by RKTGX95 View Post

Does anyone here knows what is different about the ASUS HD 7950 DCUII-V2?
AFAIK it has a better fitted and performing cooler and a shorter pcb, but no real pics of that. i wonder if it comes with a backplate and which water blocks might fit on it?
(and the most interesting, its the cheapest 7950 available to me...)
though IMO its not as good as the Sapphire 950 mhz one. (which not only do i have, but is also the most expensive one)

The ASUS has cooling issues with its 7950. Ref here http://www.behardware.com/news/12153/asus-hd-7950-directcu-ii-defaut-attention.html

i believe this cooling issue has been resolved in newer revisions, i think there have been 3 versions released such as the V2. the issues were mostly with the first releases early this year... what every the case i have no overheating issues i have en-counted while testing mine
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