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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 537

post #5361 of 6939
Quote:
Originally Posted by bongpacks View Post

Newegg let me RMA the card even though it was 2 days past my return period, they did say however if i had any problems with the replacement they're sending me that I would have to take it up with XFX. Hope the new card runs cooler, if not i'll pop the heatsink off and throw some arctic silver on the damn thing since I believe doing so won't void my lifetime warranty with XFX? Anyone had any experience with that? I think it's as simple as removing 4 screws but I'd like to know if anyone has done so and if it voided their warranty.

cool thumb.gif
I would if the replacement overheats just rma it.
cos I "THINK" removing the heatsink/replacing the TIM voids the warranty

And although I use AS5 on my GPU and NB's It's not suggested you use a conductive thermal paste on them as is could easily cause a short...instead get some MX-4, I hear its better then AS5 anyways;)
~I need to do the same~
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post #5362 of 6939
how do 2 6870s do in skyrim, bf3, other newer games? i might be able to get another one cheap
im worried about crossfire problems like flickering, microstutter, etc
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post #5363 of 6939
They should perform awesomely.
The only 2 problems youll come across are CPU bottlenecks and Vram bottlenecks.
I havnt played skyrim since I clocked it the first 2 weeks it came out. Back then it was very CPU bottle necked since it only ran on 1 thread and cross fire also only uses the same 1 thread so I was only getting FPS of 80s on high and it would drop down to 40 in some places.
But iv heard they have fixed that up.

BF3 if you have the 1GB versions of 6870 you will find you will get some lag spikes on the back to karkand maps if your on ultra and 4X AA since those maps are very heavy on the Vram.
Youll have to drop to 2X AA or even 0X AA to keep it nice and smooth.

If you have a SSD it helps quite a bit as well since swaping the vram in is a lot quicker from a SSD.
Also overclocking the memory helps.

I havnt had any microstuttering with my 6850's, Pritty sure its because I have a SSD which the game is installed on and my cards are both highly overclocked.

I have had flickering problems but only on 2 things. Serious sam and once or twice a hour with firefox if im streaming a long video. (probably flash problem more likely)
post #5364 of 6939
thanks for the info
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post #5365 of 6939
Quote:
Originally Posted by bmgjet View Post

They should perform awesomely.
The only 2 problems youll come across are CPU bottlenecks and Vram bottlenecks.
I havnt played skyrim since I clocked it the first 2 weeks it came out. Back then it was very CPU bottle necked since it only ran on 1 thread and cross fire also only uses the same 1 thread so I was only getting FPS of 80s on high and it would drop down to 40 in some places.
But iv heard they have fixed that up.
BF3 if you have the 1GB versions of 6870 you will find you will get some lag spikes on the back to karkand maps if your on ultra and 4X AA since those maps are very heavy on the Vram.
Youll have to drop to 2X AA or even 0X AA to keep it nice and smooth.
If you have a SSD it helps quite a bit as well since swaping the vram in is a lot quicker from a SSD.
Also overclocking the memory helps.
I havnt had any microstuttering with my 6850's, Pritty sure its because I have a SSD which the game is installed on and my cards are both highly overclocked.
I have had flickering problems but only on 2 things. Serious sam and once or twice a hour with firefox if im streaming a long video. (probably flash problem more likely)

I've found exactly the same things with my 6850 setup! I might move BF3 to my SSD if it's going to net me better performance..
Mind you that's my SSD basically filled. rolleyes.gif
 
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post #5366 of 6939
Quote:
Originally Posted by hoven View Post

Been using the Sapphire HD 6850 for almost a year now, performs darn well in most games for it's price. I must say though..i read some of the post that they're getting idle temps of 40C and some at 30C. Mine idle at a constant 50-52C and 44C was the lowest i have seen so far. Stock cooler, not overclocked and have a decent airflow with my NZXT Phantom 410. Load temps sometimes hit the 70C mark (not a constant though, mostly hovering at 60+C) when playing BF3. I use a can of air to blow the dust out periodically, but some areas are hard to get to..
Never taken apart the cooler before..afraid that i might messed up the whole thing.
There appear to be minor rusting on the screws on the PCB board, and some on the back the the video card. No idea how it happened..sadsmiley.gif

Try it on S.T.A.L.K.E.R call of pripyat or better yet Risen 2, then watch your temps, if you get decent temps on those two you can be secure in the knowledge that your card is bullet proof. IMO. Can anyone think of a more intense game for testing a GPU? tongue.gif
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post #5367 of 6939
Quote:
Originally Posted by Cosmic_Flash View Post

Try it on S.T.A.L.K.E.R call of pripyat or better yet Risen 2, then watch your temps, if you get decent temps on those two you can be secure in the knowledge that your card is bullet proof. IMO. Can anyone think of a more intense game for testing a GPU? tongue.gif

I occasionally play BF3, and the temps are pretty much the same for any game, 55-65C under load. Decided to take apart my GPU , apply new thermal paste (Thermaltake Chill Factor II, when i get it), resit the heatsink and see how thing goes. Just hope I don't mess things up.
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post #5368 of 6939
Quote:
Originally Posted by hoven View Post

I occasionally play BF3, and the temps are pretty much the same for any game, 55-65C under load. Decided to take apart my GPU , apply new thermal paste (Thermaltake Chill Factor II, when i get it), resit the heatsink and see how thing goes. Just hope I don't mess things up.

Dude, with temps like that why the hell would you want to mess with it for? Save the paste for your CPU, cos those temps are low and I cant see it getting any better. I get around 67C with my fan at 78%. And I know my cooler is one of the better ones.
Edited by Cosmic_Flash - 5/1/12 at 1:03am
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post #5369 of 6939
Quote:
Originally Posted by Cosmic_Flash View Post

Dude, with temps like that why the hell would you want to mess with it for? Save the paste for your CPU, cos those temps are low and I cant see it getting any better. I get around 67C with my fan at 78%. And I know my cooler is one of the better ones.

Why does your card run at 2.99v? redface.gif
 
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post #5370 of 6939
Quote:
Originally Posted by Matt-Matt View Post

Why does your card run at 2.99v? redface.gif

Thats the voltage I use to get a 1190/1020 clock. Thats how I know my cooler is pretty good. thumb.gif
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Primary: OCZ Vertex 2 60Gb Samsung Spinpoint F3 Non-descript Western Digital 2 x Optiarc DVD RW LS 1 x Akasa 3.5" card reader 
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Sunbeamtech Core-Contact Freezer Windows 7 x64 ULTIMATE LG Flatron 23in 1920x1080 Steelseries Merc Stealth 
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