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[Official] 7870 Tahiti LE (XT) Owners Club - Page 32

post #311 of 5223
Quote:
Originally Posted by lucky88shp View Post

How are the crossfire temps? Are you keeping your case open all the time?

My crossfire temps are quite reasonable. GPU 1 is always hotter than GPU2 due to it's location. Just played Black Ops 2 for an hour, GPU1 max 62. GPU2 max 56C...that OC to 1212/1500, 20%PL
These chips are said to be able to run at 80C all day but I don't like them going abouve 75. Dirt 3 pushes it up there, with loud fan at 100%. Don't care, I turn sound up really loud.
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post #312 of 5223
crossfire these two and it equals to single gtx titan? Oh man I can't wait
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post #313 of 5223
Quote:
Originally Posted by lucky88shp View Post

WOW! That's pretty high! What is your CPU and RAM?

Not a special setup at all - actually kinda dated. M3A79-T Deluxe Asus MOBO, Phenom II X4 975 with a 4.1 oc; and ram is GSKILL DDR2 800. The ram is oc'd a little but only to give me a stable 4.1 cpu.

I have always thought there was a good marriage between an AMD cpu, MOBO, and ATI card - but my bias may be showing. I must be biased because by 8800 GTS 512MB ran solid until DX 11. A really great card.
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post #314 of 5223
Anyone in here switch to or from a 660 or 660ti with this card? Curious about impressions from someone who's owned both.
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post #315 of 5223
Oh damn! Just noticed something really bad! My card makes a very distinct hissing/buzzing sound as soon as I fire up any 3d benchmark/game! It has nothing to do with fan speed as I tested manual fixed fan speeds all the way to full speed! There was someone with the same problem earlier, am I right? I think I will have to RMA it! frown.gif
post #316 of 5223
Quote:
Originally Posted by lucky88shp View Post

Oh damn! Just noticed something really bad! My card makes a very distinct hissing/buzzing sound as soon as I fire up any 3d benchmark/game! It has nothing to do with fan speed as I tested manual fixed fan speeds all the way to full speed! There was someone with the same problem earlier, am I right? I think I will have to RMA it! frown.gif

I think ppl are calling that coil whining. I had that experience with one of my old GPU too.
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post #317 of 5223
GPU-Z - http://www.techpowerup.com/gpuz/m92mh/

Count me in! Powercolor EZ version smile.gif
post #318 of 5223
Quote:
Originally Posted by krazyatom View Post

I think ppl are calling that coil whining. I had that experience with one of my old GPU too.

Yup that's it! Should I RMA it?
post #319 of 5223
Quote:
Originally Posted by Peanuts4 View Post

Anyone in here switch to or from a 660 or 660ti with this card? Curious about impressions from someone who's owned both.
My friend has the 660 ti. I think that overclocked they both perform pretty similarly. Funny because I'm usually the nVidia guy and he loves AMD. Stock the 660 ti definitely edges the 7870 le but you'd be a fool to leave it at stock. Either of them. The 660ti has less micro-stutter but larger frame drops if that makes sense and their drivers are decent. Not as good as people will make it seem. The 660ti has some z-fighting issues as well and I've noticed this on even the 7870 LE. Basically, pick which ever one is cheaper.
post #320 of 5223
Quote:
Originally Posted by lucky88shp View Post

How are the crossfire temps? Are you keeping your case open all the time?

Temps stay below 80c, fixed the clock throttling (still get the usage % throttle) by following info in the first post but I still can't mimic this high score I received here and it's driving me insane.

Do the different bios's change the way the second card throttles usage?
Seems to run 100% for a bit then fluctuates around 60c or so.

I swapped the cards around to see if it still does it and yes it does unfortunately, so either thinking it's the bios or the drivers causing it.
photo GPUUsageFluc_zpsd51e39e4.png
Quote:
Originally Posted by lucky88shp View Post

Yup that's it! Should I RMA it?
Most manufacturers consider coil whine a normal thing and won't RMA for only that reason, but how can you hear it over the fan noise? Lol
Edited by MikeMike86 - 4/1/13 at 4:43pm
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