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[Official] AMD R9 390/390X Owners Club - Page 641

post #6401 of 11956
gpu z doesnt give me vrm temps on my msi, I thought it was just but it seems many people install gpu-z and there is no sensor reading for vrm ?
    
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post #6402 of 11956
Quote:
Originally Posted by tolis626 View Post

I think it causes problems with bare copper. If I'm not mistaken, there are cases where the TIM dries up completely and those people are left with a crust of material on their chips that's really hard to get off. I was worried about copper, not aluminum. smile.gif
I see... Well, count me disappointed. I had hoped for a "Yes it's quite easy actually!" kind of answer, and I would have ordered a bottle of CLU (Or even the even better, allegedly, Thermal Grizzly Kryonaut) instantly. Well, that plan's going down the drain, it seems. smile.gif

Damn... Maybe I'll try putting some of the MX4 I have leftover on that GPU and see how it fares. Thanks for your input though!

PS : On second thought, why would it not make contact? That would mean there is a gap between the heatsink and GPU that needs to be filled by the TIM. That by itself means more TIM is needed, so it instantly makes the whole thing's performance drop because it will act as an insulator. I'd guess the contact plate would be squeezing onto the GPU die. Or shouldn't it? With that said, even the prospect of an overspill that causes the a short somewhere sends chills down my spine...

The CLU does not overspill at all. If there was ever to be a mistake it would definitely be on the user part. TIM easily fills the gap between the cooler and die whereas the CLU does not. If the heatsink was squeezing onto the die we would have an issue with people kill there dies by overtightening causing the heatsink to fracture the die. Every AIB leaves a gap between the die and heatsink because they use TIM not liquid metal. If they designed for liquid metal you would expect a good drop in distance between the heatsink and die.
post #6403 of 11956
Quote:
Originally Posted by simonfredette View Post

gpu z doesnt give me vrm temps on my msi, I thought it was just but it seems many people install gpu-z and there is no sensor reading for vrm ?

It should give you temps.
post #6404 of 11956
Quote:
Originally Posted by Worldwin View Post

The CLU does not overspill at all. If there was ever to be a mistake it would definitely be on the user part. TIM easily fills the gap between the cooler and die whereas the CLU does not. If the heatsink was squeezing onto the die we would have an issue with people kill there dies by overtightening causing the heatsink to fracture the die. Every AIB leaves a gap between the die and heatsink because they use TIM not liquid metal. If they designed for liquid metal you would expect a good drop in distance between the heatsink and die.

Both my old HD7950 worked fine with CLU only applied on the DIE, I think you are wrong here.

People need to take their tinfoil hats off with these "shorting" business really, it's like nearly impossible to spill this thing, just buy it and see for yourself, it doesn't act anything like a regular TIM.
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post #6405 of 11956
Quote:
Originally Posted by Worldwin View Post

It should give you temps.

Yeah. Thats the point , it doesnt .. Maybe certain cards have the sensors go through the chip and others dont. Anyone with an msi 390 have it on gpu-z?
    
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post #6406 of 11956
Quote:
Originally Posted by Stige View Post

Both my old HD7950 worked fine with CLU only applied on the DIE, I think you are wrong here.

People need to take their tinfoil hats off with these "shorting" business really, it's like nearly impossible to spill this thing, just buy it and see for yourself, it doesn't act anything like a regular TIM.

Your 7950 does not use the same cooler as my 390X. Also where did I say it would spill. It says at the very start "The CLU does not overspill at all." Shorting is a complete possibility which is why I do not recommend it for those that are not confident. Stick with what you know works.
Quote:
Originally Posted by simonfredette View Post

Yeah. Thats the point , it doesnt .. Maybe certain cards have the sensors go through the chip and others dont. Anyone with an msi 390 have it on gpu-z?

Maybe RMA it? VRM temps are important enough to warrant it. My VRM2 temp is bugged however VRM2 rarely gets hot so I couldn't be bothered.
post #6407 of 11956
Quote:
Originally Posted by simonfredette View Post

gpu z doesnt give me vrm temps on my msi, I thought it was just but it seems many people install gpu-z and there is no sensor reading for vrm ?

Make sure ULPS is disabled on both cards if you have two cards installed. This will keep a card from showing the VRM's.
     
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post #6408 of 11956
Ok thanks i solved it and it was embarassingly simple , in the properties for gpuz you can disable dpi settings , this allows me to make the application window bigger allowing me to see vrm temps . So finally my overclock on stock air is :
Core clock 1200
Mem clock 1700
+50%
+100mV
Load core temp 69C
Vrm 1,2 on load 52C
    
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post #6409 of 11956
Quote:
Originally Posted by dragzi View Post

Problems

Signed up to post on this page.

Got an xfx 390x (first edition) a week after it was released. Regretted the purchase for ages.

Had many problems with it, mostly that it would hit 94'c as soon as anything intensive was fired up. This lead to the vrm temp hitting near 110'c and the system shutting down. It would overheat constantly, even in winter when my ambient temp was 19'c (live in london, so ambient in summer is only about 23'c). ASIC score was abou 78%

That was all with stock clocks (1050 core, 1600 mem? and 100% power target).

Ended up taking the side of my case off to get the card to sit at 85'c under gaming load. Really iritated me as I have a 5820k with a dh15 sitting ontop, overclocked to 4.2ghz, and it hits a max of 65'c with the side of the case on (nzxt noctis 450). Was preparing to spend £500 on watercooling gear just for the sake of this card.

Sent an email to XFX asking if changing the TIM would void my warranty, which I was told it would.

The fix!

Got frustrated yesterday. Fired up furmark, and did some tweaking. Results are below Chronological. All "Stable for" results were furmark runs. Stock voltage is 1.1v

Side of case off, 66'C idle

150% power target, stock voltage - Driver reset in under 20 seconds @ 95'c
100% power target, stock voltage - Driver reset in 60 seconds @ 95'c
100% power target, -25mv - Stable for 10 min, Driver reset @ 95'c
100% power target, -50mv - Stable for 30 min, No crash, max temp 84'c (Core clock was bouncing around the 950-980 mark)
150% power target, -50mv - Stable for 15 min, Driver reset @ 95'c
150% power target, -100mv (was hopefull) - Stable 30 min, No crash, max temp 72'C (Core clock was hitting 1050 throughout)

Time to switch from Afterburner to Trixx (as it supports > -100mv undervolts), and sort out a fan curve (no more 100% hoover for me!). Ended up setling for a steady ramp up from 20% < 50'c, 100% > 68'c

150% power target, -125mv - Stable for 20 min, Then artifacts
150% power target, -110mv - Stable for 50 min, No artifacts, Max temp 68'c
150% power target, -116mv - Stable for 60 min, No artifacts, Max temp 65'c

Side of case on, 45'C idle

150% power target, -116mv - Stable for 60 min, No artifacts, Max temp 71'c

Threw a good 4-5 hours of cs:go and rocket league at it and saw it never hit more than about 65'c, and kept rock solid at 1050mhz (which at stock it would throttle down to 900ish). ended up with a voltage that was sitting at around about 0.984v, occasionally climbing to 1v. From what GPUz's sensor reading were telling me, I cut nearly 80W off the peak power usage. Unigenie heaven was giving me higher fps after the voltage drop, probably down to throttling.


TL;dr If your gpu is a toaster, see if you can undervolt without losing any performance.


Anything else I can do to ensure that its running stable? Was thinking maybe if the memory fills up it might not have enough to power the mem controller and core, but my logic may be off.
First of all, why side of case off is higher than side of case on? I think you got that reversed. Which one that actually with side panel removed/off?

Second of all, I'm assuming you got that reversed & the "side of case on" is actually with the side panel removed/off, then there's nothing wrong with your card.

Third of all, your case is the problem. 450 is pretty restrictive in term of air flow. Even if you go for watercooling, heat will still be the problem. Find a way to remove the top & front cover.
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post #6410 of 11956
I Would like to join the club just got this for my girlfriend PowerColor DEVIL Radeon R9 390X

Edited by wdpir32k3 - 2/22/16 at 8:20pm
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