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How to overclock a 7850 past 1050MHz?

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What's everyone's ASIC Quality reading? You can find this by opening GPU-Z and right clicking on the green icon in the top left corner, next to where it says "TechPowerUP GPU-Z". After right click, select "Read ASIC Quality".

It will be interesting to see whether good clockers have higher numbers and poorer clockers have lower.

Mine is 84.9%
24386324.jpg

heres mine..
asicq.jpg


might have something to do with the volts being passed through at the time, as the 1st card reads 84% and has 1.176v where as this one (2nd card) is stock @1075 and is 82%..
 
Soldato
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10 Feb 2007
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Hey guys, could someone help me out here please?

I have really low heaven benchmark scores with my sapphire radeon 7850....
Those scores are low. You should be hitting about 40fps @ stock @ 1920x1200.

I suggest downloading and installing Driver Sweeper, then unistall the AMD drivers and CCC. Next reboot into Windows Safe Mode and run Driver Sweeper to clean out any old AMD and Nvidia driver leftovers.

After that, reinstall the latest AMD 12.4 drivers and see how it goes.
 
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Thats a really good score there, how are you managing to get just over 51fps @ 1080 core?

Dont know? I am using the latest drivers, not sure if that helps, Actually that heaven score is wrong, It is more than that, The 1080 core was not applied at that time here is the heaven score for 1080 core.

heaven-1.png
 
Soldato
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Dont know? I am using the latest drivers, not sure if that helps, Actually that heaven score is wrong, It is more than that, The 1080 core was not applied at that time here is the heaven score for 1080 core.

heaven-1.png

What settings have you got in CCC? I ask that as I'm at 1175/ 5300 @ 1.185v and the most I can get is 51.2 fps in heaven. You haven't got that lucid virtu thingy turned on or anything? I've seen that can bump up benchy scores, also what do you get in the Crysis 2 time demo bench? I get somewhere around 47fps in that
 
Associate
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What settings have you got in CCC? I ask that as I'm at 1175/ 5300 @ 1.185v and the most I can get is 51.2 fps in heaven. You haven't got that lucid virtu thingy turned on or anything? I've seen that can bump up benchy scores, also what do you get in the Crysis 2 time demo bench? I get somewhere around 47fps in that

I have not touched ccc, just left everything as per install. I only run asus tweak and on p67 mobo so no lucid virtu. I dont have crysis 2 as yet so no benchy on that...all i have done is just bump the mem and core by 0.20 increments...no voltage bump yet.
 
Associate
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Those scores are low. You should be hitting about 40fps @ stock @ 1920x1200.

I suggest downloading and installing Driver Sweeper, then unistall the AMD drivers and CCC. Next reboot into Windows Safe Mode and run Driver Sweeper to clean out any old AMD and Nvidia driver leftovers.

After that, reinstall the latest AMD 12.4 drivers and see how it goes.

Thnx i just did that and it really helped!

1900 x 1200 resolution:
stock 860/4800:
FPS: 38.5, score: 970

OC: 1200/5800:
FPS: 51.3, score: 1293

1900 x 1080 resolution:
OC: 1200/5800:
FPS: 56.2, score: 1416


I guess these scores are normal now right?
 
Soldato
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Thnx i just did that and it really helped!

1900 x 1200 resolution:
stock 860/4800:
FPS: 38.5, score: 970

OC: 1200/5800:
FPS: 51.3, score: 1293

1900 x 1080 resolution:
OC: 1200/5800:
FPS: 56.2, score: 1416


I guess these scores are normal now right?
Your scores are now spot-on.

I have to clock to 1175 core to get anywhere near those figures:confused:
Try following the process I listed for tomekalmighty within this post. It seemed to do the trick for him

*Always run Driver Sweeper between removing and replacing an AMD card (even when the change is between same series AMD cards). AMD's driver unistall package is completely pants, leaving tons of registry junk lurking about. Same old story for AMD. Good cards, buggy drivers.
 
Last edited:
Associate
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Well I bumped up the volts and managed to get through a pass of heaven, But now all of a sudden my scores and fps have dropped off dramatically, Even though I am pushing a higher overclock..:confused:

In the screenie below, The left heaven bench shows the result for the higher clock of 1120 and the voltage bump of 0.02 and yet a worse result!!

On the right, Shows the bench result at 1100 on the core clock and no voltage bump....What is happening here..:eek::eek:

heavencrash-1.png


Not to worry, I didn't bump up enough volts, I am now showing FPS:

53.2
Scores:
1341
Min FPS:
26.0
Max FPS:
109.8
 
Last edited:
Soldato
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Can anyone confirm Asus Tweak letting them unlock voltage adjustment in version 1.2.1.4 when not having an Asus card?
2124 is no good for me. It severly restricts clocks and voltages when running my ASUS TOP BIOS flashed Powercolor card. 2.0.6 or 2.0.83 seem the most reliable versions for most cards.
 
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