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[Official] The AMD Radeon 7800 Owners Club - Page 113

post #1121 of 4099
Got my 7870 this week. Overclocked it to 1150Mhz Core, 1500 Mhz RAM @ 1250mV. Asic Quality is 80.5%.
2 hour Furmark stable.
How do I check if the card is getting throttled? In BF3, I am not getting superB performance that I would expect from this card.. lots of random stutter.

Thanks!
post #1122 of 4099
Quote:
Originally Posted by Freekers View Post

Got my 7870 this week. Overclocked it to 1150Mhz Core, 1500 Mhz RAM @ 1250mV. Asic Quality is 80.5%.
2 hour Furmark stable.
How do I check if the card is getting throttled? In BF3, I am not getting superB performance that I would expect from this card.. lots of random stutter.
Thanks!

Download GPU-Z and enable logging.
post #1123 of 4099
Quote:
Originally Posted by Freekers View Post

Got my 7870 this week. Overclocked it to 1150Mhz Core, 1500 Mhz RAM @ 1250mV. Asic Quality is 80.5%.
2 hour Furmark stable.
How do I check if the card is getting throttled? In BF3, I am not getting superB performance that I would expect from this card.. lots of random stutter.

Thanks!

Ram is probably overclocked too much. It will test out stable but performance decreases when you go too high with memory clock. Try backing it down to 1300 or so and retry bf3

Sent from my SGH-I897 using Tapatalk 2
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post #1124 of 4099
Quote:
Originally Posted by Jayjr1105 View Post

Ram is probably overclocked too much. It will test out stable but performance decreases when you go too high with memory clock. Try backing it down to 1300 or so and retry bf3
Sent from my SGH-I897 using Tapatalk 2

but i thought higher clock was better
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post #1125 of 4099
Quote:
Originally Posted by di inferi View Post

Download GPU-Z and enable logging.
Okay. What exactly should I look for in the log file?
Quote:
Originally Posted by Jayjr1105 View Post

Ram is probably overclocked too much. It will test out stable but performance decreases when you go too high with memory clock. Try backing it down to 1300 or so and retry bf3
Sent from my SGH-I897 using Tapatalk 2

Thanks will do.
post #1126 of 4099
After Installing my 2nd 7850 for crossfire I put the 6GB of RAM back into my system that I had been using to troubleshoot other systems for a total of 12GB (AMD's site advises 8GB for crossfire) and went to check dxdiag's display tab and what I found has left me confused. With 2x7850's and 6GB DDR3 my Approx. Total Memory was at like 2.7GB. Since adding the extra 6GB of RAM it now says my ATM is 1.7GB, but the 7850s alone have 2GB so how is this possible? Is it just the amount of my DDR3 being allocated for vram? If so why did it drop to 1.7GB when I added another 6GB? Back when I had a 1GB 5870 dxdiag said I had like 3.7GB.

Anyways sorry for the long post, any help/insight would be appreciated as I've never really crossfired before so this is my first time dealing with any potential issues as a result of crossfire.
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post #1127 of 4099
Quote:
Originally Posted by Freekers View Post

Got my 7870 this week. Overclocked it to 1150Mhz Core, 1500 Mhz RAM @ 1250mV. Asic Quality is 80.5%.
2 hour Furmark stable.
How do I check if the card is getting throttled? In BF3, I am not getting superB performance that I would expect from this card.. lots of random stutter.
Thanks!

Wow nice stressing bro smile.gif but I think its abit too hard using Furmark, just do 2-3hours of looping Vantage (DX10 stressing) and 3DMark2011 (DX11 stressning) and perhaps 3DMark2003 since it has DX7, DX8 and DX9 stressing.

Mine just stressing with daily gaming 2-3 hours smile.gif mostly Crysis2 with all max at fullHD res... sometimes metro 2033.
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post #1128 of 4099
Quote:
Originally Posted by bf3player1978 View Post

but i thought higher clock was better

Higher clocks are better but with 7xxx series cards you reach a point where the RAM doesn't benefit past a certain clock, Instead of artifacting it will just dip in performance. With 1600 clocks this is likely the case. If you look up 78xx benchmarking reviews, you'll see that 1450 is about the highest you should be going with these cards.
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post #1129 of 4099
I got my XFX 7850 Running @ 1260/6040Mhz - 1250V. I get temps as high as 76 Degrees Celsius during furmarks burn in test

338
My Heaven score
700

A few questions
Is a ASIC quality score of 87.2 good?
What temps/Voltage would be good for 24/7?

Thanks in Advance
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post #1130 of 4099
@Dizzlepro, I guess bigger ASIC quality means better overclocking in air cooling smile.gif but low ASIC quality means better overclocking in water/LN2 cooling.
Mine has 81.9% and can goes up to 1200/1450MHz with def vgpu 1.218v ^_^

The most safer temps/voltage for 24/7 would be under 70c for temps and use only default volt.... but according to guru3d the highest/max volt in MSI afterburner is also safe for daily unless you unlock it biggrin.gif
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