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Power Color 7870 pcs+ myst edition high temp and noise

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June 1, 2013 11:54:14 PM

Just upgrade from a sapphire hd7770 1gb . I had the new 787/0 oc to 1,200core clock and 1,600 on memory with the power setting at +20. Love the performance with 3dmark11 hitting a graphic scoe of 9,600. Gameplay was awesome.
But the problem is I had to set the fan speed to 68% to cap the temp at around 77c. Anything above 55c get really annoying . Is all this normal ?
Tempted to look at aftermarket gpu cooler. But here in Singapore none of the store sells gpu cooler!
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a c 84 U Graphics card
June 2, 2013 3:57:33 AM

Lower the clock rate and set fan on auto. See if it makes a difference.

Higher clock rate (possibly manual overclock) - Hot and noisy things.
Remember, stock HD 7870's clock speed is 1000 MHz. Now adjust that according to your needs in Catalyst.
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June 2, 2013 7:06:10 AM

I did start with stock which in my case is factory oc to 975. Temp and fan speed shot up very quickly. Then I manually set fan speed to 68% and add 2 more case fans,which cap the temp around 78c which allow to manually oc further. Just install the latest 16.5 driver and seems to get about 3c reduction in temp.
Did a quick check and seems the high temp is experience by many and may not be faulty issue after all. But the fan noise is really annoying. Seriously consider getting a good cooler so that I can bring the temp and noise down to keep my ocing. But not it will fit and most likely end up more costly than the hd7950.
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a b K Overclocking
a b 4 Gaming
a b À AMD
a c 84 U Graphics card
June 2, 2013 7:09:22 AM

Well if you are overclocking you would either have to go for liquid cooling (too keep things silent) or you would have to face noise and a chance to reduce the life of your card drastically.

Overclocking guys increase the clocks not because of what the chip should do, but what the chip can do. :D 

You should leave the clocks to stock or just raise it to a max of 1000. Keep fans at auto or 40%. That should keep it cool enough.
Otherwise get a liquid cooling kit.
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June 6, 2013 11:20:42 PM

Make some attempt to improve casing airflow by adding two low noise fans, one at the bottom intake and cut out the metal mesh at the back output fans. Manage to gain a total of about 3C reduction. Incidentally, the fan noise seem to be slightly lower at a given rpm than when I first started.
With the room ac on at room temp of about 25C, I was able to cap the maximum temp below 79c running furmak and crysis3 nd battlefield 3. But with the room c off and on a hot day the room temp can go to 32C which would cause the max temp to shoot towards 83C which I think will be bad or card long term.
So I am going to get the artic cooling xtreme 7970 cooler( foud someone selling it locally) and gve it a go. Do you guys think it is good idea? It's expensive but if allows me to operate it without the room ac that's a lot save on electricity bills
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a b K Overclocking
a b 4 Gaming
a b À AMD
a c 84 U Graphics card
June 7, 2013 12:18:57 AM

Without AC here temperatures get around 48C and still my rig stays at around 70C during gaming.
Why don't you opt for liquid cooling?

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June 7, 2013 12:21:13 AM

I heard the HD 7870 Myst coolers are junk as far as noise levels are concerned.
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June 7, 2013 12:31:11 AM

Apparently my stock cooler is pretty crappy in the noise department as google shows I am not alone! I did consider liquid cooling but seems more expensive and if the artic cooler works as reviews and user feedback shows, it will be more than what I aiming for!
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June 7, 2013 12:36:08 AM

Superlp12 said:
Apparently my stock cooler is pretty crappy in the noise department as google shows I am not alone! I did consider liquid cooling but seems more expensive and if the artic cooler works as reviews and user feedback shows, it will be more than what I aiming for!


Air coolng is just fine as the GPU is not hot running anyway. Artic coolers are great.
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June 7, 2013 2:30:21 AM

Will report back once I had it installed and ran some test.
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June 8, 2013 10:04:14 AM

Finally get to install the artic cooling xtreme 7970 cooler. Run a test using 3Dmark11, furmark 1080p/8xmsaa. Fan speed at auto. Result amazing. Idle temp was down to 28C from 32C of stock cooler and at load down to 55C from 78C. Noise level? Silent!
Next I ram up fan speed to 100%. Idle temp down to 26C and at load down to 48C. Noise level almost inaudible! All cooler should be make this wAy! Problem solved.
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Best solution

a b K Overclocking
a b 4 Gaming
a b À AMD
a c 84 U Graphics card
June 8, 2013 8:53:33 PM

That is really nice to hear.

A card should not get higher than 85C, remember that and you are good to go. :) 
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June 9, 2013 11:22:15 AM

luckiest charm said:
That is really nice to hear.

A card should not get higher than 85C, remember that and you are good to go. :) 


Some Fermi cards got up to 95c and beyond.
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June 9, 2013 5:35:05 PM

And that is not good for their health.
Many cards have 99C listed as their maximum.

I said that to ensure long life of his card.
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June 9, 2013 5:37:37 PM

luckiest charm said:
And that is not good for their health.
Many cards have 99C listed as their maximum.

I said that to ensure long life of his card.


Honestly I ran the crap for years off the Fermi card I owned and you know what it was one of the best I ever owned. 1 Week full of Bitcoin mining 95c the whole time no problems.
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a b K Overclocking
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a b À AMD
a c 84 U Graphics card
June 9, 2013 5:40:08 PM

You know, 90C + for prolonged periods could drastically lessen the life of the card. You won't notice the difference then but your GPU was at a lot of stress at that time.

Not at all recommended for anyone.
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June 9, 2013 5:45:25 PM

PowerColor is an inexpensive aftermarket provider. Since it is so cheap, they cut corners, and one corner they cut is the quality of the cooler. At stock speeds, it will keep the gpu under 80C in normal conditions, but this is not good enough for overclocking. Aftermarket suppliers like MSI and Sapphire have fantastic aftermarket coolers, usually surpassing the OEM standard(instead of being worse than in the case of powercolor). Grabbing the aftermarket cooler is exactly what i would suggest, as in many cases, the cooler is the only major thing differentiating the different brands.

You should also be mindfull of your case cooling, you need to have a flow of air through the case, 2 120s in, and 2 120s out, or equivalent, should give your case what it needs. Currently, I have 2 200mm in, 1 200mm out and 1 120mm out. Positive pressure(more inward pressure than outward pressure) will mean nearly all air will enter via the fan, and therefore can be caught by dust filters, keeping the inside of the case dust free and staying nice and cool.
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June 9, 2013 5:49:21 PM

luckiest charm said:
You know, 90C + for prolonged periods could drastically lessen the life of the card. You won't notice the difference then but your GPU was at a lot of stress at that time.

Not at all recommended for anyone.


The card lasted 3 years @ 95c and is now retired (still working).
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June 9, 2013 5:52:26 PM

Darkman69 said:
luckiest charm said:
You know, 90C + for prolonged periods could drastically lessen the life of the card. You won't notice the difference then but your GPU was at a lot of stress at that time.

Not at all recommended for anyone.


The card lasted 3 years @ 95c and is now retired (still working).


You got a pretty good piece then. Well, not everyone is as lucky and manufacturers kept the max 99C for some reason. ;) 

At 100C you can fry an egg on the card. :p 
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June 9, 2013 5:55:21 PM

luckiest charm said:
Darkman69 said:
luckiest charm said:
You know, 90C + for prolonged periods could drastically lessen the life of the card. You won't notice the difference then but your GPU was at a lot of stress at that time.

Not at all recommended for anyone.


The card lasted 3 years @ 95c and is now retired (still working).


You got a pretty good piece then. Well, not everyone is as lucky and manufacturers kept the max 99C for some reason. ;) 

At 100C you can fry an egg on the card. :p 


Well My HD 4890 from 2009 cards are still working and they ran very hot as well.
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a c 84 U Graphics card
June 9, 2013 6:00:35 PM

That is upto you mate that how much time you want to keep it under load.
At first I am amazed your cards even went to 95C when they should not exceed 85 at max usage.

95 C is too frickin high. Not recommended for anyone. I live in India (room temperature 45C) and still my card does not exceed 85C.
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June 9, 2013 6:02:47 PM

luckiest charm said:
That is upto you mate that how much time you want to keep it under load.
At first I am amazed your cards even went to 95C when they should not exceed 85 at max usage.

95 C is too frickin high. Not recommended for anyone. I live in India (room temperature 45C) and still my card does not exceed 85C.


Fermi was the hottest cards ever. The GTX 480 had a max thermal upper limit of 110c.
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June 9, 2013 6:04:56 PM

Power Color 7870 PCS+ Myst Edition is not. :) 
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June 9, 2013 6:12:40 PM

luckiest charm said:
Power Color 7870 PCS+ Myst Edition is not. :) 


It's a cooler running card .
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a c 84 U Graphics card
June 9, 2013 6:14:19 PM

rich1051414 said:
PowerColor is an inexpensive aftermarket provider. Since it is so cheap, they cut corners, and one corner they cut is the quality of the cooler. At stock speeds, it will keep the gpu under 80C in normal conditions, but this is not good enough for overclocking. Aftermarket suppliers like MSI and Sapphire have fantastic aftermarket coolers, usually surpassing the OEM standard(instead of being worse than in the case of powercolor). Grabbing the aftermarket cooler is exactly what i would suggest, as in many cases, the cooler is the only major thing differentiating the different brands.


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November 10, 2013 12:47:41 AM

I got my PowerColor HD7870 2GB Myst. Ed. today. Runs BF4 on high nicely but temp hit 88. Adjusted fan speeds and it gets noisy butstill gets fairly hot (83 max).

My sapphire 4870 used to reach 90 with stock fan curve but I changed it and reduced temps to like 50 but at the cost of noise..

I dont mind noise but with the noise must come cooling... PowerColor is budget but I want my card to last a lttle while you know...
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