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crossfire 7970 - BF3 ultra high temps - Page 4

post #31 of 38
I played some bf3 on ultra today, 5760x1200 60hz (3x dell u2412Ms). I only did a slight overclocked both my cards 1050/1400.... Left fan to auto, top card got up to 96C..... so 80s is ok I think
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post #32 of 38
Nevermind.
Edited by Dustin1 - 3/3/12 at 9:43pm
 
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post #33 of 38
Quote:
Originally Posted by Mcgrab View Post

So im just giving BF3 a wiz on a single monitor for now, nothing special, just a 23 inch 60 hz screen, and during gameplay my main 7970 is running around approximately 80 degrees Oo is this normal? they are reference cards and BF3 is on ultra but still? i wouldve thought crossfire 7970s could handle one screen on ultra easily, and i was planning on doing eyefinity on high graphics jees :-/ any confirmation or help appreciated

Cap your FPS at around 61-62 frames. Less heat, less noise, less GPU usage.

Tearing an issue? No problem.

Turn on Vsync, download Bandicam.

Cap FPS via Bandicam at around 58-59 FPS then sit your refresh rate to your native resolution @ 60hz via Battlefield 3 and run that. No input lag, no tearing, nice performance.
 
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post #34 of 38
Quote:
Originally Posted by HAVO View Post

your case is the problem (800D)
it is not designed for aircooling in mind.. see how many fans it have and how it work for a second wink.gif
go water or plan/design a nice airflow with a ton of fans and see the difference thumb.gif

80c is not that high. And if you are uncomfortable it's pretty easy to mod the 800D for more air intake. Order a mesh panel from fcpu, it's 20 bucks and cut it to size to replace the window and blow all your negative intake worries away.
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post #35 of 38
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

80c is not that high. And if you are uncomfortable it's pretty easy to mod the 800D for more air intake. Order a mesh panel from fcpu, it's 20 bucks and cut it to size to replace the window and blow all your negative intake worries away.

lol good idea , though id like to use my rig for at least a couple of months before i start modding for improvements lol,
as if to break it in biggrinsmiley.gif
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post #36 of 38
Quote:
Originally Posted by Mcgrab View Post

Sorry man, fans were at 60% at this temp

80c is definitely fine, however, 60% fan speed on the 7970's reference cooler is 3.5k RPM and it sounds like a hair dryer. 60% fan speed would keep my card under 70c. However, we are missing a couple important variables.

How warm is your room?
Are you OCing? What are the voltages and clocks?
Where's your case located? Block any exhaust or intake?

My 2x 7970s at the moment is running at 0.975v @ stock speeds so I can leave my fan profile set at 30% fan speed and it does not get above 85c after hours and hours of BF3. I am running, just like you, a 1080p 60hz Dell U2311H.

Once I OC for benches and what not and bump voltages, my fan profile needs to be bumped up aggressively. 1.131v @ 1175/1575 and I need to keep my fans spinning at 45% to keep it under 80c. If I had set my fan setting at 60% fan speed, I'd be sure to see ~75c with a decent OC but it's just loud as hell.

I am saying if you are running stock voltage and speeds, and need to keep fan at 60% to maintain 80c, something is wrong. I know my VID is great, I have a 1.05v, 86% ASIC quality card, but even if you had a 1.175 VID, you should not need to set fans at 60% at stock speeds to keep it under 80c. While your 1.175 is higher than mine, your card has more leakage so temps should even out close to me, probably a tad bit hotter, but not by much.
post #37 of 38
Quote:
Originally Posted by insyxion View Post

2000$ PC and then 60hz monitor, what on earth were you thinking?
Get 120HZ monitor , DAY AND NIGHT differents betwen those...

WOW. Dude stop spreading false information. A human can only see around 15-40 fps. It varies greatly from person to person. If your eyes can see 40 fps then your basically superman. PAL from Europe is only 25 FPS and NTSC American is only 30 FPS. You won't see any difference from going to 60 FPS to 120 FPS. NONE. 120 Hz monitors are completely useless unless it is a 3D monitor where half the pixels fresh at 60 Hz and the other half the pixels refresh at 60 Hz. Essentially the monitor is 60 Hz also.
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post #38 of 38
Quote:
Originally Posted by jmm5351 View Post

WOW. Dude stop spreading false information. A human can only see around 15-40 fps. It varies greatly from person to person. If your eyes can see 40 fps then your basically superman. PAL from Europe is only 25 FPS and NTSC American is only 30 FPS. You won't see any difference from going to 60 FPS to 120 FPS. NONE. 120 Hz monitors are completely useless unless it is a 3D monitor where half the pixels fresh at 60 Hz and the other half the pixels refresh at 60 Hz. Essentially the monitor is 60 Hz also.

I so hope your trolling because you clearly have never used a 120hz monitor. And as for the human eye only seeing your out-of-ur-ass numbers, can we please see some proof?

Get real man, its quite ironic how you call him out for spreading lies when it is you being an absolute ignorant and neive imbacile. I own a 120hz benq 2420 and can tell you it is an absolutly must have if you have a nice system. I have 2 7970's and this thing makes it wonder why anyone with 2+ gfx cards wouldnt own anything but 120hz. It is unexplainably smoother and your reaction time is literaly cut in half, it makes u see the true value of ur grx cards.

Please, go back to the bridge u climbed out of so the adults can provide genuine help.
     
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