Overclocking an XFX Radeon HD 7850 2GB
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Overclocking
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Last response: in Graphics & Displays
thomann061
April 1, 2013 4:43:59 PM
I want to overclock my xfx radeon hd 7850 2gb.
Firstly should I do it through my asus bios or is there a program i should use instead?
I want to be able to raise the voltage on it.
I have been using CCC and set it at 1050 core, and 1400 memory, but i think i can do better.
I dont think rivatuner is compatible, and cant seem to find a good program to raise the voltage.
I would prefer to do it through my bios (asus sabertooth MB)
thanks. let me know if there is any more information you would need to know.
Firstly should I do it through my asus bios or is there a program i should use instead?
I want to be able to raise the voltage on it.
I have been using CCC and set it at 1050 core, and 1400 memory, but i think i can do better.
I dont think rivatuner is compatible, and cant seem to find a good program to raise the voltage.
I would prefer to do it through my bios (asus sabertooth MB)
thanks. let me know if there is any more information you would need to know.
More about : overclocking xfx radeon 7850 2gb
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Reply to thomann061
Best solution
thomann061
April 1, 2013 4:57:27 PM
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Also download Unigine Heaven Benchmark. You can also use Sapphire Trixx instead of Afterburner.
Steps:
1. Go to MSI Afterburner.
2. Go to settings and then untick the voltage lock. This will allow you to increase the voltage. Apply.
3. Go back and increase voltage about 25 units from the set point.
4. Increase the core clock by 50mhz. I generally increase core clock to double that of the voltage (e.g. +15voltage, +30 mhz core
5. Apply OC.
6. Run Heaven and see for any artefacts or crashes and what not.
7. If everything is well, then go back to OC software and keep on increasing the voltage and core clock.
Repeat steps 3-7 till you crash. If it does, then decrease the core clock.
Also check temperatures when running benchmark, if it appears too high, then lower the voltage. High is above 75C.
This is just what I do and other people may have other methods. The 7850 is a good clocker and majority can OC to around 1150-1200mhz.
Just play around with it.
Steps:
1. Go to MSI Afterburner.
2. Go to settings and then untick the voltage lock. This will allow you to increase the voltage. Apply.
3. Go back and increase voltage about 25 units from the set point.
4. Increase the core clock by 50mhz. I generally increase core clock to double that of the voltage (e.g. +15voltage, +30 mhz core
5. Apply OC.
6. Run Heaven and see for any artefacts or crashes and what not.
7. If everything is well, then go back to OC software and keep on increasing the voltage and core clock.
Repeat steps 3-7 till you crash. If it does, then decrease the core clock.
Also check temperatures when running benchmark, if it appears too high, then lower the voltage. High is above 75C.
This is just what I do and other people may have other methods. The 7850 is a good clocker and majority can OC to around 1150-1200mhz.
Just play around with it.
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oddlyinsane said:
Like Stickmansam said, use Sapphire Trixx. I personally use that. It's not as problematic when it comes to unlocking voltage and what not. You can apply the same steps, minus Step 2. With Sapphire Trixx, remember you can scroll down. You will need to scroll down to see the voltage bar.
I got trolled so hard until I figured I could scroll down
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thomann061
April 1, 2013 5:34:34 PM
thomann061
April 2, 2013 12:20:36 PM
well i put it back to 1050 core because playing skyrim was unstable. I can still notice much better results using trixx over CCC. my processor is an AMD phenom II 965 edition. Do you think if i upgraded my processor then I would be able to overclock my graphics card more. In other words, is my processor limiting my graphics card a bit?
My system:
MB Sabertooth 990fx
16 gb gskill ddr3 oc 1760
phenom II 965 x4 oc 3.75ghz
xfx radeon 2gb
ocz vertex III 64gb ssd
320gb 5400rpm wd hdd
My system:
MB Sabertooth 990fx
16 gb gskill ddr3 oc 1760
phenom II 965 x4 oc 3.75ghz
xfx radeon 2gb
ocz vertex III 64gb ssd
320gb 5400rpm wd hdd
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thomann061
April 2, 2013 1:07:26 PM
That PSU can power the 7850 no prob
So the OC fail is likely and issue with the OC
When you did your OC did you raise the powertune limit? A non-raised one could cause a crash since powertune would limit the card's power draw?
Any changes to voltage?
and was the crash with core and me OC or just one?
So the OC fail is likely and issue with the OC
When you did your OC did you raise the powertune limit? A non-raised one could cause a crash since powertune would limit the card's power draw?
Any changes to voltage?
and was the crash with core and me OC or just one?
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thomann061
April 3, 2013 11:11:06 AM
Moroz Academy
October 6, 2013 7:08:46 PM
Hi guys, just decided to add my 5cents. Here is a nice guide on How to Overclock Diamond Radeon HD 7850. Full guide: http://www.tomshardware.com/faq/id-1828735/radeon-7850-...
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Agiel
August 14, 2014 7:39:00 PM
i have the xfx hd7850 1GB 860/1200mhz at 1.140V i have been testing it and till now i did't touche the voltages, i want to know if i will borke the card if i go beyond de 5000Mhz of the elpida memory speeds, i try it with 975/1300 with stock voltages and everuthing was fine till i ran Wolfestein ... started to se artifacts ...
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Moroz Academy
September 7, 2014 1:07:40 AM
If you see the artifacts - means stop and lowered your vrame frequency by at least 15 mhz and try the test again. If you see it again lower again by 15 mhz if not then call it stable.
It is almost impossible to kill your video through software overclocking, because it has some bios function protections against overvoltage or overheating, but keep in mind that you are doing this on your own risk and expenses.
It is almost impossible to kill your video through software overclocking, because it has some bios function protections against overvoltage or overheating, but keep in mind that you are doing this on your own risk and expenses.
Agiel said:
i have the xfx hd7850 1GB 860/1200mhz at 1.140V i have been testing it and till now i did't touche the voltages, i want to know if i will borke the card if i go beyond de 5000Mhz of the elpida memory speeds, i try it with 975/1300 with stock voltages and everuthing was fine till i ran Wolfestein ... started to se artifacts ...-
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Agiel
September 7, 2014 1:03:59 PM
Matinag
October 8, 2014 3:33:59 PM
You're in luck! I happen to have a similar setup. Do the following.
1, download gpuz and check your asic quality.
2, Since you failed at 1200 core, your asic quality is somewhere in between 69 ~ 85.
3, If that's the case then put your voltage (1.218v). That's the maximum safe voltage for your card and not the 1.225v.
4, Next, put the power limit to 25% and try this overclock (1125/1375).
5, Tell me how it goes.
1, download gpuz and check your asic quality.
2, Since you failed at 1200 core, your asic quality is somewhere in between 69 ~ 85.
3, If that's the case then put your voltage (1.218v). That's the maximum safe voltage for your card and not the 1.225v.
4, Next, put the power limit to 25% and try this overclock (1125/1375).
5, Tell me how it goes.
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Agiel
October 8, 2014 5:57:59 PM
Matinag
October 9, 2014 1:26:50 AM
Agiel
October 9, 2014 8:14:42 AM
Matinag
October 9, 2014 1:54:39 PM
That means your cards chip quality is better than mine. The cards have has a 74.2% and it's only capable of reaching 1140 core at 1.218v. Since your card have a higher quality, try putting the core at 1150 ~ 1175 using 1.218v and raise the power limit to 15%. By the way, one of the best program to check your overclock is heaven 4.0. Try it and tell me how it goes.
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Agiel
October 9, 2014 2:23:17 PM
Matinag
October 9, 2014 2:57:35 PM
I see. Sorry to hear about your memory. Looks like you got a lower quality elipda memory and not the hynix ones. But dont worry about it. Just leave it at 1250 for it will not make any difference at all as long as you don't do crossfire. The 1250 memory bandwidth is more than enough for a single 7850 even for a 7950.
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Agiel
October 9, 2014 4:05:17 PM
im using this OC 1110/1250 at 1.1750 V ... i saw a thred in other forum with this :
According to Alexey Nikolaichuk (the author of RivaTuner and MSI Afterburner), the correlation between voltage and quality is like follows:
ASIC quality < 75% - 1.1750 V;
ASIC quality < 80% - 1.1125 V;
ASIC quality < 85% - 1.0500 V;
ASIC quality < 90% - 1.0250 V;
ASIC quality ≤ 100% - 1.0250 V
my xfx is the 1GB version and at 1300Mhz is very stable, but temp goes to a dangerous top ... about 75 ~ 81C ... so i went back to 1250 ... playing farcry at ultra temp never goes beyond 68 ~ 70c ...
According to Alexey Nikolaichuk (the author of RivaTuner and MSI Afterburner), the correlation between voltage and quality is like follows:
ASIC quality < 75% - 1.1750 V;
ASIC quality < 80% - 1.1125 V;
ASIC quality < 85% - 1.0500 V;
ASIC quality < 90% - 1.0250 V;
ASIC quality ≤ 100% - 1.0250 V
my xfx is the 1GB version and at 1300Mhz is very stable, but temp goes to a dangerous top ... about 75 ~ 81C ... so i went back to 1250 ... playing farcry at ultra temp never goes beyond 68 ~ 70c ...
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Matinag
October 10, 2014 3:13:17 PM
Agiel
October 10, 2014 3:23:01 PM
no the far i have tried is 1110 and 1250 at 1.190v and is stable but hot ... i will try this later, im now testing it via CCC in 1000/1250 power at 20% no voltages increase and never have seen the 75c ... FarCry 62 ~ 68c ... i have the one fan version so, i guest it's not designed to this kind of OC it get really hot, as hot as nvidia fermis's
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Agiel
October 10, 2014 3:35:27 PM
Matinag
October 10, 2014 4:34:00 PM
Matinag
October 10, 2014 4:52:04 PM
Test your card how far it can go at 1.218v with fan running at 100% and power limit to 20‰.
Test the stability using heaven 4.0 at max settings.
Once your overclock has passed heaven, stay decreasing the voltage and find the lowest voltage your overclock can run at. Again by running heaven.
And when you found. What the best oc and voltage for your card is, that's the time to adjust and lower the fan speed. I recommend creating fan profile.
Test the stability using heaven 4.0 at max settings.
Once your overclock has passed heaven, stay decreasing the voltage and find the lowest voltage your overclock can run at. Again by running heaven.
And when you found. What the best oc and voltage for your card is, that's the time to adjust and lower the fan speed. I recommend creating fan profile.
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