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Overclocking Sapphire HD5850 Xtreme 1GB

Last response: in Graphics & Displays
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June 13, 2011 8:50:24 AM

Hi All,

I'm new to overclocking and still reading stuff about it. I feel like oc-ing my HD5850 xtreme.
I wonder how much performance can be gained by oc-ing my GPU?

I read that oc-ing gpu uses program such as amd overdrive and msi afterburner.. so which is better?

Do I just increase the core clock and memory clock? how about GPU voltage? Will overclocking damage my GPU?

A lot of noob questions i know. sorry and thanks :) 
a b U Graphics card
June 13, 2011 9:31:39 AM

I think Riva Tuner is the best.

AMD Overdrive can only work if you have an AMD mobo. Afterburner i have not used, so no idea.
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June 13, 2011 9:41:02 AM

thanks. appreciate it if you can answer my other questions as well :) 
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a b U Graphics card
June 13, 2011 9:50:32 AM

For actually finding out how to overclock its best you google and read and read thoroughly the tutorials/guides out there.

Unless you do something real bad, you have very little to be worried about. Just keep an eye out for the temps of the GPU once you have overclocked.

But if you are new to overclocking proceed with a little caution that is all.

Hope you PSU is up to it as well.
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June 13, 2011 3:46:12 PM

As mentioned above, Riva is your best bet. As to how much overclock, that will be very dependant on your individual card, case airflow and ambient temp. The only way to know is to try it and see how your specific card peforms.

Read up on it before you do it so as to not roast your GPU.
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June 14, 2011 3:50:06 AM

i just wanna know how much oc-ing will increase the performance of the card. will it give me noticeable fps increments?

can't seem to google any comprehensive oc overview for this card.
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a b U Graphics card
June 14, 2011 8:40:25 AM

Not too much increase. It would give you some 10FPS-15FPS increase depending on the amount you overclock. Or may not be that high for some games. Just do some benchmarking with FRAPS and see the increase you get!
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June 14, 2011 9:41:39 AM

great thanks. can i do fps monitoring with rivatuner too?
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a b U Graphics card
June 14, 2011 9:55:42 AM

I don't think so. FRAPS is a small light tool that shows the FPS at the corner of the screen. You can download it and see what you get now. And after the overclock.

It also generates Excel sheets of benchmarks! Just validate the results! :) 
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a c 130 U Graphics card
a b K Overclocking
June 14, 2011 11:11:13 AM

You should have access to Sapphires own TriXX overclocking tool . Apart from that Afterburner which is basically Riva tunner version 2 is the best i have come across.

Mactronix :) 
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June 14, 2011 2:50:43 PM

mactronix said:
You should have access to Sapphires own TriXX overclocking tool . Apart from that Afterburner which is basically Riva tunner version 2 is the best i have come across.

Mactronix :) 



downloaded rivatuner at first, it says about 'unsigned driver' i guess this is the problem with x64 os. not willing to restart i tried afterburner and oc-ed to 780/1080. this increased the witcher 2 1080p ultra fps from 20ish to 40ish.

should i go further?
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July 5, 2011 5:18:37 PM

yes, go further. I've been using Sapphire HD 5850 Xtreme for quite some time. I run min 825/1100 without changing the core voltage. After testing it with furmark for 2 hours, my temp max reach 80 degrees celcius (my room temp was 29C) and 77C average. Xtreme is very friendly to overclock. If you want to go with higher voltage, someone is able to pull 1000/1230. (http://www.overclockersclub.com/reviews/sapphire_hd5830...)
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