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New XFX 5770

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Hey guys,
This is my first ati card and I'm a little lost on how to overclock it. So far, using auto tune, it has given me 950 core clock and 1270 memory. This didn't seem to stable because the "heaven" benchmark froze. I'm open to all advice and opinions, thanks! :toast:
 

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Auto-tune is not the best thing for that.

You're better off testing each clock speed and memory speed manually until you find one that is stable.

As well, if it hangs, you're going to want to reboot and try it again at that clock speed. (that is not a redundant statement) lol
 
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Alright. Would you suggest keeping the core at default and then testing memory for its max clock? Then do vice-versa for the core clock max? Also, is furmark good for testing stability?
 

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Hey guys,
This is my first ati card and I'm a little lost on how to overclock it. So far, using auto tune, it has given me 950 core clock and 1270 memory. This didn't seem to stable because the "heaven" benchmark froze. I'm open to all advice and opinions, thanks! :toast:

What are your temps and what are you overclocking it with?
 
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well the temps on this card are pretty ridiculous. I just tested 880 core and 1340 memory and this thing hit 81*c after 2 minutes. I am using the software that came with the driver. Ati overdrive is what it is called.
 
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Is it with the egg cooler? I have the same card and have never seen 81C even OC in Furmark.
 

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well the temps on this card are pretty ridiculous. I just tested 880 core and 1340 memory and this thing hit 81*c after 2 minutes. I am using the software that came with the driver. Ati overdrive is what it is called.

Ok stop. Somethings wrong with the card I think. Thats WAY to hot.

Is it with the egg cooler? I have the same card and have never seen 81C even OC in Furmark.
Don what are the default clocks on that thing?
 

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Alright. Would you suggest keeping the core at default and then testing memory for its max clock? Then do vice-versa for the core clock max? Also, is furmark good for testing stability?

Yes, keep the core at default and test the memory first for sure.

I can tell you that on my 2 4890s which also have DDR5 Ram I got them up to 1175 easily.

You'll notice, though, that they have already clocked those memory chips pretty high, so you'll have to see what works.

Compare your results with other users of the same card.

You're not going to be able to get as much of a clock out of the core.

Water cooling really helps too. You should be able to max out all the settings on water.
 
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Yes its with the egg cooler in fur mark
 
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defaults are 850 core and 1200 mem.
Yeah something is definitely wrong. It's getting really hot and really fast now. I set clocks back to default just to check if it was a driver issue or something. Temps are still breaching 70* within a minute of furmark.
 
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Benchmark Scores Benching is for bitches.
Lower it to 900/1125.

FYI Furmark is BRUTAL on ATI cards. Run game benches instead.
 
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alright I'll try those clocks and monitor temps during the heaven benchie.
EDIT- default clock is 1200. I can't make it lower.
 

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alright I'll try those clocks and monitor temps during the heaven benchie.

That egg cooler is REALLY bad for OCing.

EDIT- default clock is 1200. I can't make it lower.
I just caught that too. Keep the RAM at default then and bench her. If its stable raise the RAM SLOWLY.

Edit: What are your default temps in the heaven? You may need to reapply the heatsink.
 
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Well at previous clocks of 880 core and 1340 mem, temps got to 73*c. That's not so bad I suppose. Yes, I will definitely plan on re-applying thermal paste soon.
 
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defaults are 850 core and 1200 mem.
Yeah something is definitely wrong. It's getting really hot and really fast now. I set clocks back to default just to check if it was a driver issue or something. Temps are still breaching 70* within a minute of furmark.

Yes, that's the default. You will see 70C in Furmark, I think 78 is max I saw. Mine only tops out at 62 or so in any game I throw at it. This is clocked to 950/1325.
 
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Yes, that's the default. You will see 70C in Furmark, I think 78 is max I saw. Mine only tops out at 62 or so in any game I throw at it. This is clocked to 950/1325.

Alright man I'll keep that in mind.
EDIT- What percentage of fan power are you at?
 

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I hate that damn egg cooler just for this reason.
 
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Oh wait I thought you meant simply "a cooler from newegg," not the actual egg shaped cooler. Whoops, in that case, no I don't have the egg shaped cooler. It covers my entire card.
 
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I leave the fan on auto; The max I've seen it hit on Afterburner is 65% or so and it's not even audible in my case.

EDIT: Oh, you have a Batmobile. That may make a difference.
 

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I leave the fan on auto; The max I've seen it hit on Afterburner is 65% or so and it's not even audible in my case.

EDIT: Oh, you have a Batmobile. That may make a difference.

Yeah that makes a big difference. I really don't see how your hitting 81c then.
 
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So it should be much cooler? That's rather irritating. Heaven failed with your clocks kansas, I'm going to decrease core and try again. While monitoring temps.
 
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Lower it to 900/1125.

FYI Furmark is BRUTAL on ATI cards. Run game benches instead.
No need to worry too much for furmark.
As far as I know the HD 5800 and 5900 applied hardware protection for vrm overload.
Assuming the HD 5700 are the same, melting vrms should be no more. :toast:
 

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Hello friend, I have an XFX 5770 as well though I have the non egg shaped cooler on mine.

I haven't seen anything about you changing fan speeds during this testing so...have you done so before? While testing mine so far I've just set the fan speed at 55% during the testing and it's proven perfectly fine to take care of temps at high speeds and voltages.

So far I've tested up to 1025Mhz core clock on 1.20v (more volts than I need, just being safe). At that setting the temp was 73C during Furmark after 30 minutes of testing. I imagine that either you don't have very good airflow in your case, or you simply need to up the fan speed manually lol. :)

So far I've tested up to 1025Mhz core and 1450Mhz memory. Using that 55% fan speed during all benching/stability tests I haven't been above 73C ever. I haven't had any issues with overclocking it so far or running any games/benchmarks with the overclocked settings. I usually run it at 1000Mhz core @ 1.15v (using MSI Afterburner program) and 1400Mhz memory to play with since I haven't really bothered finishing tests on max speeds.

I'm not sure how much farther the memory can really go as that's already extremely high, and remember the memory on the rear of our cards is not cooled other than case airflow.

Kei
 

Kei

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Also I should mention that with the rather extensive tests that I've done so far it appears that raising the Core clock gives you significant performance boosts whereas the memory does not give you nearly the same boosts at all. Some were worried that this card would be bandwidth starved when it was announced, but it seems there is nothing to worry about on that front. :)

Kei
 
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Hello friend, I have an XFX 5770 as well though I have the non egg shaped cooler on mine.

I haven't seen anything about you changing fan speeds during this testing so...have you done so before? While testing mine so far I've just set the fan speed at 55% during the testing and it's proven perfectly fine to take care of temps at high speeds and voltages.

So far I've tested up to 1025Mhz core clock on 1.20v (more volts than I need, just being safe). At that setting the temp was 73C during Furmark after 30 minutes of testing. I imagine that either you don't have very good airflow in your case, or you simply need to up the fan speed manually lol. :)

So far I've tested up to 1025Mhz core and 1450Mhz memory. Using that 55% fan speed during all benching/stability tests I haven't been above 73C ever. I haven't had any issues with overclocking it so far or running any games/benchmarks with the overclocked settings. I usually run it at 1000Mhz core @ 1.15v (using MSI Afterburner program) and 1400Mhz memory to play with since I haven't really bothered finishing tests on max speeds.

I'm not sure how much farther the memory can really go as that's already extremely high, and remember the memory on the rear of our cards is not cooled other than case airflow.

Kei

Wow that's really helpful info man, thank you. :toast: What do you guys think I should do? I have had fan speed at 50% and it still goes over 73 in furmark.
 
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