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XFX 7850 Double Dissipation Cooler

newtekie1

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I don't believe that black part is supposed to cool the memory. There isn't anything cooling the memory along the side of the GPU, so why cool the memory along the back? Also, most HD7800 cards I've seen don't have any cooling on the memory, and GDDR5 doesn't really need cooling either.

Even the higher end cards don't have cooling on the memory. GDDR5 just doesn't get that hot.
 
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I don't believe that black part is supposed to cool the memory. There isn't anything cooling the memory along the side of the GPU, so why cool the memory along the back? Also, most HD7800 cards I've seen don't have any cooling on the memory, and GDDR5 doesn't really need cooling either.

Even the higher end cards don't have cooling on the memory. GDDR5 just doesn't get that hot.

I was thinking about it and maybe the artifacting had more to do with 3d to 2d transition.

I am observing artifacts when I am playing a game in a window (league of legends) and moving firefox around on the secondary monitor. Maybe its down clocking during that time and this is causing the artifacting around the windows aero bars.
 
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So after running it for awhile, I did get a good reduction in temperatures. No idea if it fixed the artifact issue but I doubt it.

Room: 20*C

Idle: 27*C
Game: 55*C
Fur test: 75*C
 
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Even at 75degC the core will be fine.
The issue is most probably somewhere else.

My 7870 can get up to 80degC in Unigine Valley benchmark with the 13.2 beta 6 drivers.
 

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If he took the cooler off then the warranty is gone. XFX puts a sticker on the screws holding the heatsink on newer cards such as my 6950.

http://img.techpowerup.org/130220/Capture112.jpg

That depends on were he's from if he lives in the US and contacts XFX heatsink removal is allowed as long as you ask them 1st.

By reading some of the thread it surly sounds that some thermal pads have been removed or maybe even not put on in the 1st place.
 
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Even at 75degC the core will be fine.
The issue is most probably somewhere else.

My 7870 can get up to 80degC in Unigine Valley benchmark with the 13.2 beta 6 drivers.

Just ran the Unigine Valley benchmark on extreme HD, only got to 69*C. I think my average fps was around 23.
 
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Valley results are about what I would expect from the 7850.
Temperatures are actually quite good.

Have you tried running the desktop with aero off?
 
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That card didn't have thermal pads or paste on the memory to begin with. The memory does not need it as it doesn't get hot enough. My 7850 doesn't have and cooling for it's memory either.
 
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Running no aero now.. I haven't seen any artifacts but its sort of a time will tell thing.

With the new thermal paste, I have been able to overclock this card like a mofo. 1100mhz core stock 1200mhz memory, 20% board power limit 1.150 volt vddc.

Temps are 72*C in Valley with custom fan profile with a score of 1248, ~30 FPS.
Here is my 3dmark11 http://www.3dmark.com/3dm11/6004779. P7182!!!!
http://www.3dmark.com/3dm11/6004779

I am using Sapphire Trixx 4.30 (4.6 wouldn't change volts). Fan Profile: 0*C@20% 40*C@40%, 80*C@100%


I don't feel like overclocking my memory, I'll just stick to core since its temperature is easy to monitor.
 
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that's pretty decent I get just above 7000 mark with 7950....but I am using the fx4100.
 
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