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Currently overclocking Radeo 5770 using Catalyst.Follow

#1 Aug 18 2010 at 12:21 AM Rating: Decent
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Can someone help me out here please? I've been increasing the GPU clock and Memory clock by increments of 10 MHz each and testing custom clocks - I've passed each time so far - I currently have the GPU clock at the maximum the sider would allow (at 960 MHz) but the "current values" window beneath it shows that the GPU clock is only running at 400MHz how come? (the memory clock is shown correct at 1305 MHz which is where the slider is at now).

Also, I noticed the GPU temp increasing a little here, its gone up from 44 initially up to 53 Celcius and fluctuates in between - I was wondering should the fan speed increase automatically here or is it normal that its still at 35% (which is what it started at)? I have the HAF computer tower, so i have good airflow if that plays into it too. Any and all information is welcome.

Lastly: Now that my GPU clock slider is at the highest it can reach, do i keep increasing memory clock slider and testing or do i stop and test the GPU with a load using Furmark?

Thank you
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#2 Aug 18 2010 at 12:26 AM Rating: Good
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1) It shows 400 because in 2d mode it runs at 400. When running 3d applications [games, etc] it switches to 3d mode

2) I guess if it doesn't artifact and it doesn't melt. . .what are you using to monitor your hardware temps while running furmark? Reccomend:

http://www.cpuid.com/softwares/hwmonitor.html

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#3 Aug 18 2010 at 12:30 AM Rating: Decent
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I haven't run furmark yet, is that my next step or should I keep increasing the memory clock (even though I can't increase GPU clock anymore) and testing to see if its good?
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#4 Aug 18 2010 at 12:40 AM Rating: Decent
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I guess also what is the max temperature this card should be at when under stress by a game or whatever?
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#5 Aug 18 2010 at 12:46 AM Rating: Decent
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I'm going to be honest with you, if you don't know what your doing, I'd advise to do some more research. Because winging it is only going to leave you with a door stopper. I'm sure there are plenty of tutorial for overclocking a 5770 that you could go by. Just some friendly advice :)
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#6 Aug 18 2010 at 12:52 AM Rating: Decent
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Yea thanks Veagan I have done some research and i am following a tut or two but i'm just going for second opinions and my time on ZAM has shown me there are some knowledgeable people here :D So far I think I'm doing ok, I just need someone to reassure me. Looking at my card temperature, its good sitting at 47 Celsius but obviously this is at 0% activity so i haven't rushed into overloading it yet 'til i get a good answer from someone.
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#7 Aug 18 2010 at 3:24 AM Rating: Good
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You need to rerun your 3D app each time you up the clock/other settings, you aren't actually testing whether the new settings are stable or not. I expect that the first time you run 3dmark or the benchmark you will either crash your pc or melt your card.
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#8 Aug 18 2010 at 3:58 AM Rating: Decent
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dunno why anyone is overclocking their systems...

its been kinda proven that the game can run on machines perfectly fine on systems that get below 2000(dare i say 1000) on full so far in the beta..


why risk melting your computer for a game? eh.. maybe ya have money to spare if ya want have a very expensive toaster oven lol
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#9 Aug 18 2010 at 5:52 AM Rating: Decent
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First, what version of 5770 are you using? If it's an ASUS brand then do be careful, there are a few faulty ones out there. If you'd like to get an idea how hot the card will get run the FFXI benchmark. I have a HD5770 too, ASUS brand. After fixing the fault in the heatsink I see temps as high as 83c under full load. At night when it's much cooler I'll get around the max of 78c. That's without overclocking. Anyway, if you're looking to overclock I'd probably suggest no higher than 950MHz core, 1400MHz memory. With sufficient cooling that should be the max before you suffer artifacts. Anything higher and you'll probably want to get around to replacing the cooler on the card with an aftermarket brand.
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#10 Aug 18 2010 at 6:08 AM Rating: Decent
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@Wint: you were right, I ran furmark and 2 seconds into it i got a black screen so i manually restarted my PC - no harm done (thank god!!!) and so i've decided this isn't worth the risk and that's it for OC'ing for me lol.

Edited, Aug 18th 2010 8:09am by SolidMack
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#11 Aug 18 2010 at 7:07 AM Rating: Decent
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Just let catalyst find the sweet spot for you. Go to your catalyst control center. The select the overclock drop down. Select auto tune and stare at funny screens for awhile. It will set it to an optimal stable condition for your card. You will still need to keep an eye on heat and fan speed.
#12 Aug 18 2010 at 7:17 AM Rating: Decent
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Catalyst auto-tune is horrible: Don't use it. I speak from experience ;) [I was curious]

Overclocking is something that takes a lot of time and very small incremental adjustments to settings. My best advice is if you don't have the patience, the time, and the understanding to make adjustments. . don't.



Edited, Aug 18th 2010 9:18am by seneleron
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#13 Aug 18 2010 at 8:32 AM Rating: Decent
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Myzldas wrote:
dunno why anyone is overclocking their systems...

its been kinda proven that the game can run on machines perfectly fine on systems that get below 2000(dare i say 1000) on full so far in the beta..


why risk melting your computer for a game? eh.. maybe ya have money to spare if ya want have a very expensive toaster oven lol


Because overclocking gives you the best bang for your buck.

It can increase your fps by a good amount if you know how to overclock properly. The difference between 25 fps and 30 fps in a game is the difference between "choppy" and "smooth."

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#14 Aug 18 2010 at 3:21 PM Rating: Decent
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All EVGA video cards come with a lifetime warranty even if you OC them. They actually encourage OC. So I am OC'ing my GTX470 and not worrying if it decreases the lifespan because I can always get a new one free. My core clock stock is 600mhz. I have it OC;d to 800mhz, which is about what the GTX480 runs at.

Something to keep in mind if anyone is in the market for a new card get EVGA and overclock at will.
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#15 Aug 18 2010 at 4:29 PM Rating: Decent
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This.

By overclocking my processor and GPU, I went from 2900 on the 720p benchmark to about 3700.

If you know how and have decent cooling there's almost no reason not to overclock.

Edited, Aug 18th 2010 6:31pm by Kierk
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