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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 3841

post #38401 of 38721
Quote:
Originally Posted by clubber_lang View Post

Man my memory must be bad. 95 - 100c? Man i have been getting my 7970's up to about 75c and i was starting to get worried. How hot can we get these cards before were supposed to worry?

In the 80-90c range is where you would want to top out during sustained loads. *Can* go higher, but not advisable.
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post #38402 of 38721
Ummm. No 40-50c or it will affect OCing
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post #38403 of 38721
Is there any to reduce GPU clockspeed and voltage at "idle" desktop. On a 144 Hz screen.

My card clocks to 500 MHz instead of 300MHz and bumps up voltage just a bit as well. So my idle temperatures are 40-42 °C instead of < 30°C.

This is probably drivers, though I figured I'd ask in this thread, can't hurt.
post #38404 of 38721
Quote:
Originally Posted by incog View Post

Is there any to reduce GPU clockspeed and voltage at "idle" desktop. On a 144 Hz screen.

My card clocks to 500 MHz instead of 300MHz and bumps up voltage just a bit as well. So my idle temperatures are 40-42 °C instead of < 30°C.

This is probably drivers, though I figured I'd ask in this thread, can't hurt.

I could be wrong of coarse, but to the best of my knowledge, it will only clock down to 500mhz when either you have a 144hz screen, a UHD screen, or multiple screens.
post #38405 of 38721
Hello,i have an asus 7970 directcu ii TOP.Sometimes,i get artifacts like graphic bug squares like 1.5x1.5cm in size,or very long line of textures glitches.They all seem to get fixed with an alt tab.Ive heard that the issue might be caused by the 1.6v voltage applied to memory,since they are rated at 1.5v.Memory voltage seem locked,few versions of asus tweak allow modifying it but it didnt really help my cause,either the voltage wasnt really saved,or my problems weren't caused by the higher voltage.Any advices on how to fix it?Anyone know where i could download a modded bios with memory voltage set at 1.5v instead of 1.6 ?
post #38406 of 38721
Quote:
Originally Posted by adrian008 View Post

Hello,i have an asus 7970 directcu ii TOP.Sometimes,i get artifacts like graphic bug squares like 1.5x1.5cm in size,or very long line of textures glitches.They all seem to get fixed with an alt tab.Ive heard that the issue might be caused by the 1.6v voltage applied to memory,since they are rated at 1.5v.Memory voltage seem locked,few versions of asus tweak allow modifying it but it didnt really help my cause,either the voltage wasnt really saved,or my problems weren't caused by the higher voltage.Any advices on how to fix it?Anyone know where i could download a modded bios with memory voltage set at 1.5v instead of 1.6 ?
Probably your ASUS card has VRAM overheating, maybe this video helps:
https://www.youtube.com/watch?v=tz2ybPrjhdw

I tried to mod 1.5V for my reference HD 7970, by exchanging the VRAM_Info Table with a few Tables from 280X BIOS with 1.5V, without success.
Only the ASUS TOP BIOS with 1.6V is working.
I'm not 100% sure, because I couldn't identify the exact values, but I think it's impossible to change it to 1.5V, at least for my reference HD 7970.

I also recommend GPU Tweak Ver. 2.3.0.2, to change the VRAM voltage and to save it in a profile.
post #38407 of 38721
Well in that video is the platinum version,here you can see the DCU version,all vram modules are cooled,3 of them are covered only halfway but still should be more than enought (280x version has no heatsinks on vram at all) https://www.youtube.com/watch?v=OrKEzzN89QU .
As i said i tried asus tool,but it was kinda buggy and im not sure if the settings were saved,at 1.55 if it worked,i was still having those issues.
post #38408 of 38721
I just had an issue with my cards overheating. I couldn't even get through 20 minutes of gaming without the cards crashing due to heat. I literally feared the worst and figured it was about that time to upgrade and that my cards were on their deathbed after 3 and a half years of gaming on them. I took them both apart cleaned up threw some Noctua paste on em tightened the screws. I had to reinstall new fans for my bottom card in the past and that is why I got my second card so cheap. All worth it though. These cards are Zombies and they are back from the dead. I am seeing better results then ever makes me kinda wanna hang on to these until something comes around that "wows me".

Pics are below because my phone is garbage.
Edited by danycyo - 11/5/15 at 8:42pm
post #38409 of 38721
Keep in mind the Tomb Raider benchmark is on 1920x1440 Ultimate on 1200/1400 1.225v Crossfired Vapor X 7950.

97.2 fps avg. biggrin.gif
Warning: Spoiler! (Click to show)








Edited by danycyo - 11/4/15 at 9:40pm
post #38410 of 38721
Quote:
Originally Posted by danycyo View Post

makes me kinda wanna hang on to these

There is no real reason to upgrade right now. Tech is kind of at a "stand still". By this I mean there is no newer, faster tech available. There probably won't be unless they figure out how to bridge that gap between CPU/GPU > memory bottleneck. This tech is still a couple years away, AMD is on to fixing this gap with the new Fury cards, but I am still not impressed.

I still run all the new games @ 1440p highest settings no AA. Crossfire is better than it has ever been, and is in a really good place with 7000 series + cards. Metter of fact, I still run most games @ 1440p on high settings in borderless windowed (GTA5 for example because I am a huge modder).

I will stick with my 7950's until the current gen moves on to the next gen of gaming. Current gen of gaming will be fine for our cards for a while.

My 2 cents
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