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[FUD]XFX Radeon DD R9 290X 1000M 4GB reviewed - Page 4

post #31 of 70
Quote:
Originally Posted by airisom2 View Post

Quote:
Originally Posted by Domino View Post


Well, given that most VRMs are passively cooled through air, a poly-carbonate construction is anywhere between 3x-10x a better thermal conductor than air.

Well, I'd say that most VRMs are actively cooled. Blower type cards usually have pretty good VRM temps because the radial fan is right above the VRM area, so it's able to quickly dissipate the heat. That really applies for Hawaii reference cards. Non-reference cards have some air blowing down on the VRM heatsink from the fans. Granted, it isn't blowing cold air to the heatsink, but it's still getting some kind of airflow in that area.

I'm pretty sure that aluminum or something is a better conductor of heat than plastic is.

There are many different types of "plastics" out there. This is a poly-carbonate and not some ordinary plastic. On any grounds, it seems like it is not doing a good job.
Quote:
Originally Posted by szeged View Post

Quote:
Originally Posted by Aesthetics View Post

VRM is peaking at 97c on 1150/1450 @ 1.180v


Is it safe? Should I lower my clocks?

97c at that low of a voltage? well it looks like xfx has done it again and made another sub par cooler lol.

That's bad cooling. This is such a shoddy piece of crap design. Sad to see XFX going downhill in this quality.
Quote:
Originally Posted by airisom2 View Post

Quote:
Originally Posted by Aesthetics View Post


Auto, refer to my other post.


Yes, I set it to +50%

Powertune has a big influence on temps, both on core and VRMs. Unfortunately, it's necessary if you want to get a good overclock, and to prevent throttling in some cases.

Also, could you run Hawaii Info for us please (refer to step two in the unlock guide)? I"m curious to see if you have an unlockable 290.

Do they even throttle for VRM temps?
Edited by Domino - 1/12/14 at 9:40pm
post #32 of 70
Temps still suck

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post #33 of 70
76c max on core sux?
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post #34 of 70
Quote:
Originally Posted by Aesthetics View Post

Currently benching Heaven Benchmark 4.0 (High quality/ Normal Tessellation/4xAA/1080p)


After 5 minutes within benching; VRM reaches around 97c, fans speeds at auto (71%). General temperature seems alright, never goes above 80c.


Currently overclocked at 1200/1350 @ 1.20v

Btw, can this card fit refernces 290/X waterblock? PCB layout looks identical

Just double check the layout with a high res photo of the reference PCB (VRM, caps, rams...etc) but yeah it will fit a reference W/B.
post #35 of 70
Quote:
Originally Posted by Domino View Post

Quote:
Originally Posted by airisom2 View Post


Powertune has a big influence on temps, both on core and VRMs. Unfortunately, it's necessary if you want to get a good overclock, and to prevent throttling in some cases.

Do they even throttle for VRM temps?

Just view PowerTune as a TDP limit. The higher the limit, the more current is allowed to go through the card. More watts=more heat outputted. Increasing the PowerTune limit will allow more power to the card, which can possibly improve overclocking and reduce throttling, given that you can keep the temps under 94C. Because of that, it puts extra load on the VRMs and GPU because of the extra current. Lowering the PowerTune limit will do the opposite. Keep in mind that the hotter the VRMs get, the more inefficient they become, so VRMs working at, let's say 97C will consume more power than the same VRMs running at 70C. Well, I believe that goes for basically any component, but still, the lower you can get those VRMs, the better.

EDIT: Dang, I typed up all of this without completely understanding your post. High VRM temps won't throttle core clocks, but it will influence long term reliability.

This is one of the reasons why psyside is so happy about the Tri-X wink.gif It's a very balanced cooler. It offers currently the best temps in every area for a non-reference card. The VRM temps are still high compared to reference cards (around a 20C difference), but it's good enough to sustain a decent overclock with a little voltage added. Until the PowerColor PCS+ comes out (and the MSI Lightning), the Tri-X is the best non-reference Hawaii card out right now.
Edited by airisom2 - 1/12/14 at 9:54pm
post #36 of 70
Quote:
Originally Posted by psyside View Post

76c max on core sux?

With 76% fan it sure does
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post #37 of 70
Does XFX still use those Sacon FZ capacitors that like to blow up? Card looks pretty cheap either way
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post #38 of 70
Quote:
Originally Posted by Bl00dyMurd3r View Post

Does XFX still use those Sacon FZ capacitors that like to blow up? Card looks pretty cheap either way

Its XFX which we all pretty much consider garbage these days
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post #39 of 70
Quote:
Originally Posted by airisom2 View Post

This is one of the reasons why psyside is so happy about the Tri-X wink.gif It's a very balanced cooler. It offers currently the best temps in every area for a non-reference card. The VRM temps are still high compared to reference cards (around a 20C difference), but it's good enough to sustain a decent overclock with a little voltage added. Until the PowerColor PCS+ comes out (and the MSI Lightning), the Tri-X is the best non-reference Hawaii card out right now.

Why don't we just connect the vrms to the heat spreader /plate with thermal pads? Is it doable?
I'm itching to see reviews for the Lightning and the pcs+. I hope this mining boom dies soon smile.gif
Edited by mrr9 - 1/12/14 at 11:36pm
post #40 of 70
Quote:
Originally Posted by airisom2 View Post

This is one of the reasons why psyside is so happy about the Tri-X wink.gif It's a very balanced cooler. It offers currently the best temps in every area for a non-reference card. The VRM temps are still high compared to reference cards (around a 20C difference), but it's good enough to sustain a decent overclock with a little voltage added. Until the PowerColor PCS+ comes out (and the MSI Lightning), the Tri-X is the best non-reference Hawaii card out right now.

Hmm, you got to take into consideration the rpm difference from reference to Tri X. If we match the rpm, i'm sure the vrm temps will be very close. In short, any card which keep ~ 90c on vrm afer extended oc loop, with 1.4v which is really insane is real monster. On 1.3v the vrm where at only 71, 1.3v is the max one should go for on air imho thumb.gif
Quote:
Originally Posted by Stay Puft View Post

With 76% fan it sure does

Agree, didn't notice the fan speed.
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