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[Official] AMD R9 390/390X Owners Club - Page 985

post #9841 of 11962
Quote:
Originally Posted by Krzych04650 View Post

Probably not. There is not a huge difference in performance, but TDP and power draw grows significantly compared to 390 and 390X is really hot beast. Also $75 is quite a lot for such small upgrade, I would rather safe money for some more meaningful upgrade, or maybe FreeSync monitor if you don't have one yet, it would be much more of a upgrade than going from 390 to 390X.

But if you are in need of extra performance and you don't have better option then why not, this is not some horrible deal, but personally I wouldn't do it.

You're not the first one to say this, but where did that "The 390x runs hotter and uses more power than the 390" come from? Absolutely not true. The difference in shaders is 10% in favor of the 390x over the 390, so performance should be about 10% better, usually a bit less than that. Sometimes a bit more, depends on the title. But as far as I'm concerned, the power draw and thermals are identical as long as the cards are clocked equally and use the same voltage. And even if there is a difference, it'll be negligible, especially in thermals.

@buddatech

The performance difference depends on how each card overclocks. Ask him to tell you how his card overclocks at a certain voltage (Ask for VDDC, not the offset in Afterburner). If your card can overclock to, say, 1125MHz and his can overclock to 1175MHz, then I'd say go for it. If they are about the same or your card overclocks better, meh, not worth it from a performance standpoint.
post #9842 of 11962
Quote:
Originally Posted by tolis626 View Post

You're not the first one to say this, but where did that "The 390x runs hotter and uses more power than the 390" come from? Absolutely not true. The difference in shaders is 10% in favor of the 390x over the 390, so performance should be about 10% better, usually a bit less than that. Sometimes a bit more, depends on the title. But as far as I'm concerned, the power draw and thermals are identical as long as the cards are clocked equally and use the same voltage. And even if there is a difference, it'll be negligible, especially in thermals.

Tests are a bit misleading, some of them showing 10-20W power draw difference, some 70-80W. I agree that 10-20W difference is negligible, but 80W difference is 30% difference in power draw. I don't know, I was just saying what I saw in tests, maybe I am wrong.
post #9843 of 11962
Quote:
Originally Posted by tolis626 View Post

You're not the first one to say this, but where did that "The 390x runs hotter and uses more power than the 390" come from? Absolutely not true. The difference in shaders is 10% in favor of the 390x over the 390, so performance should be about 10% better, usually a bit less than that. Sometimes a bit more, depends on the title. But as far as I'm concerned, the power draw and thermals are identical as long as the cards are clocked equally and use the same voltage. And even if there is a difference, it'll be negligible, especially in thermals.

@buddatech

The performance difference depends on how each card overclocks. Ask him to tell you how his card overclocks at a certain voltage (Ask for VDDC, not the offset in Afterburner). If your card can overclock to, say, 1125MHz and his can overclock to 1175MHz, then I'd say go for it. If they are about the same or your card overclocks better, meh, not worth it from a performance standpoint.

I will text him and let you know if he gets back to me. Haven't overclocked my 390 yet just got it couple of days ago powered on made sure post and tore down for a good cleaning and painted my case. Just put it back together yesterday, today I will be installing OS drivers and oc'ing a bit.
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post #9844 of 11962
Lol people caring about power consumption, third world problems? biggrin.gif
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post #9845 of 11962
Quote:
Originally Posted by Stige View Post

Lol people caring about power consumption, third world problems? biggrin.gif


More power consumption causes more heat and this affects noise levels, this is why I care. Cost wise even 150W difference in power consumption makes negligible difference on electricity bill for me if I play 5 hours per day, but heat generated by cards like overclocked 980 Ti or overclocked 390 is already on the edge of what you are able to cool with air cooling while maintaining acceptable noise levels, at least with currently available cooling solutions from AIBs like Sapphire or MSI. Adding another 30% of power consumption would generate some additional heat and cross the line. This is why I care, I am not of those who are choosing GPU by power consumption just to save $5 monthly on electricity bill. I am just very sensitive for sounds and I am playing on speakers because headsets are not comfortable for me, this is why I care about heat and power consumption, because I need to keep my PC noise levels basically on ambient sound level, and additional heat is not helping, obviously.
Edited by Krzych04650 - 7/4/16 at 2:35pm
post #9846 of 11962
980Ti is hot?

rolleyes.gifrolleyes.gif

Something must be wrong in your area. I don't even need to Watercool them to bench 4 at 1500/2000



Maybe not as hot as 4 ref 290Xs but you get the idea.

Same goes for Power Draw. i.e, 3X 980TIs using a 1250W PSU. On the 290X, it'd be 2 without OC.


But to clear things up, 390X and 390 uses around the same amount of Power. It will boil down to chip quality. where a 390 can sometimes draw more than a 390X. Heat output too.
Edited by mus1mus - 7/4/16 at 5:36pm
post #9847 of 11962
Quote:
Originally Posted by mus1mus View Post

980Ti is hot?

rolleyes.gifrolleyes.gif

Something must be wrong in your area. I don't even need to Watercool them to bench 4 at 1500/2000


I am sure that you can somehow keep them alive and bench them in 3 or 4-way SLI by setting fans sky high so you cannot even hear your thoughts because of noise, but I am talking about cooling with low noise levels and daily gaming usage.

Nothing is wrong in my area, 20-24C ambient temp and I had a case with quite good air flow back then, there were six 120mm fans, 3 intake 3 exhaust. I had MSI 980 Ti Gaming 6G, this red one, and keeping card in low 80s during constant 99% load in games like Witcher 3 with acceptable noise levels (for this particular card 50% fan speed was max acceptable noise, ~40% was ideal) was just barely possible. I had to lower OC for a bit because card was crashing after reaching 82-83C.

This was very thin and small cooler for this kind of powerful GPU, so probably some beastly cooler would do better, but on the other hand there were two 100mm fans, and MSI have great fans with very good noise levels, so this wasn't a bad cooler, and yet it was barely able to cool GPU with good noise levels (by this I mean not crossing case fans noise level). I am just overly sensitive for noise levels so I guess there i no point on talking about what is hot and what is loud with me laughingsmiley.gif
post #9848 of 11962
Quote:
Originally Posted by Krzych04650 View Post

I am sure that you can somehow keep them alive and bench them in 3 or 4-way SLI by setting fans sky high so you cannot even hear your thoughts because of noise, but I am talking about cooling with low noise levels and daily gaming usage.

Nothing is wrong in my area, 20-24C ambient temp and I had a case with quite good air flow back then, there were six 120mm fans, 3 intake 3 exhaust. I had MSI 980 Ti Gaming 6G, this red one, and keeping card in low 80s during constant 99% load in games like Witcher 3 with acceptable noise levels (for this particular card 50% fan speed was max acceptable noise, ~40% was ideal) was just barely possible. I had to lower OC for a bit because card was crashing after reaching 82-83C.

This was very thin and small cooler for this kind of powerful GPU, so probably some beastly cooler would do better, but on the other hand there were two 100mm fans, and MSI have great fans with very good noise levels, so this wasn't a bad cooler, and yet it was barely able to cool GPU with good noise levels (by this I mean not crossing case fans noise level). I am just overly sensitive for noise levels so I guess there i no point on talking about what is hot and what is loud with me laughingsmiley.gif

Best way for good temps and low noise is and will always be watercooling. With decent quite fans your gpu/cpu will run cooler. I dropped 30°C on my gpu alone, and about 10-15db of noise. The r9 390 nitro cooler at 50% is about the same noise level i have now. At 60% it was my limit for sound. 70% and up forget it.
    
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post #9849 of 11962
Quote:
Originally Posted by bluej511 View Post

Best way for good temps and low noise is and will always be watercooling. With decent quite fans your gpu/cpu will run cooler. I dropped 30°C on my gpu alone, and about 10-15db of noise. The r9 390 nitro cooler at 50% is about the same noise level i have now. At 60% it was my limit for sound. 70% and up forget it.

Yea I know, I even tried hybrid GPU once but AIO with no manual control over pump is just too loud for me. And custom water loop is expensive and requires too much care and maintenance, at least those are my feelings about it for now, I will try in future, but not now.

What temps were you getting at 50% fan speed on 390 Nitro?
post #9850 of 11962
Double post.
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