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Overclocking a HIS radeon HD 5770 H577FK1GD

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April 20, 2011 9:43:58 PM

Dear community,

Any information regarding the overclocking of this card http://www.newegg.com/Product/Product.aspx?Item=N82E168...
I have some experience overclocking CPU as am running mine from Stock 2.9 ghz @ 3.5ghz, for what I know it is less risky to overclock a processor. Does similar rules apply to Graphics cards? Like heat is the main concern when overclocking? Does is provide a noticeable difference a slight but safe overclock, it is "safe to even try" increasing 10mHz at a time?
Any input is appreciated, Am new to this and I like it! Thanks
April 22, 2011 2:35:28 PM

yes 10mhz at a time is fine.

its pretty safe, and yes heat is the main concern. (i like to keep mine below 85C, but i would say below 80C. i OC'ed my 5770 from stock to 1030/1340 and see about a 5fps difference.

its free performance. so why not?




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a c 214 U Graphics card
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April 22, 2011 3:59:49 PM

O.C.ing gives huge benifites in regards to FPS.With just a miger O.C. anywhere from 30~50mhz in core clock can raise your average FPS by 5 and you've barely started to O.C.You could expect anywhere from 10-15FPS gain depending on your O.C.
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April 22, 2011 4:08:54 PM

CrysisComa said:
yes 10mhz at a time is fine.

its pretty safe, and yes heat is the main concern. (i like to keep mine below 85C, but i would say below 80C. i OC'ed my 5770 from stock to 1030/1340 and see about a 5fps difference.

its free performance. so why not?


Thanks for info, Do you have the same 5770 as mine?
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April 22, 2011 4:11:59 PM

purple stank said:
O.C.ing gives huge benifites in regards to FPS.With just a miger O.C. anywhere from 30~50mhz in core clock can raise your average FPS by 5 and you've barely started to O.C.You could expect anywhere from 10-15FPS gain depending on your O.C.


That's impressive 10-15FPS, I read somewhere that the memory is made to run no more than 1250mHz that I don't know how means 5ghz? like 1200mhz stock is 4.8ghz?
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April 22, 2011 4:22:38 PM

Where are you getting 5ghz and 4.8ghz from?

1250mhz=1.25ghz
1200mhz=1.2ghz

So basicly you have a graphics card thats running at 1ghz.Which is extremely fast for a graphics card.
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April 22, 2011 4:29:20 PM

purple stank said:
Where are you getting 5ghz and 4.8ghz from?

1250mhz=1.25ghz
1200mhz=1.2ghz

So basicly you have a graphics card thats running at 1ghz.Which is extremely fast for a graphics card.


On this chart http://www.hardwaresecrets.com/article/131 ... I have also read somewhere I don't remember exactly, but thats how it translates... Sorry I just read and they are just keeping it relative to old terminology... My bad thanks.

One more question to optimize the setting and get as high as 8-10+ FPS I would have to find some kind of optimal ratio between Core and memory speed? Thanks my bad
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April 22, 2011 4:47:30 PM

??? why not just use the OCing built into CCC.
Basicly it does the OC. It then will set it to thoughs values. This is what I did, Have to wait till I get home to list what OC I ended up with (I do know that it was at the Max values for CCC) and which 5770 card I have.

After CCC finishes. I then Ran furmark to check stability and temps. May need to set fan speed manually. Also you can save this setting as a profile. Enable/load profile when needed (gaming) and use default when just doing odds and ends.
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April 22, 2011 4:53:17 PM

I don't want to break the card, I just want slowly go up, run a bench and see how it goes. I do have integrated graphics, but I can't afford a new graphic card at the moment. I will probably be using afterburner as most people recommend. Thanks tho
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April 22, 2011 5:00:31 PM

Retired chief is giving good info. Use the CCC with the 5770's you can go right to the max allowed by CCC without even worrying about the heat issues. I have 3 of them overclocked that way and I've never had an issue set that way.
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April 22, 2011 5:02:29 PM

Their should be an Auto-Tune button in the ATI Overdrive section above the clock bars.That will have ATI Overdrive Auto O.C. to the safest stable O.C. it will allow.
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April 22, 2011 5:08:05 PM

I'll try and see how it goes, and let you know how high I went. I appreciate your advice. Thanks
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April 22, 2011 5:14:04 PM

CCC is a safe way, as soon as it detects an instability, it stops increasing and reverts back to the last stable OC. It will also stop if temps get to high. BUT still verify temps afterwords - Run Furmark (free down load) while montering fan speed an temps in CCC control panel - Don't forget you need to click the "padlock" to be able to use.

PS - It takes a while, I just let it do it's thing and went off and watched TV. Wish it displayed a progress bar. The first time I ran it I thought it had locked up so bombed out.
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April 22, 2011 9:05:52 PM

with my experience at least the auto tune did not work for me. it set the memory too high and i got gray screens.

also i have an HIS 5770 but its the egg shaped cooler.

iv never heard anything about 1250 max mem. for me as long as i stay below 1340 it doesnt crash.

also i prefer afterburner to OC, because i increased the voltage.

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April 22, 2011 9:23:22 PM

i also dont like using furmark. the temps i get on it are far higher than any games. i go agree though that CCC is a safe way to OC. but then again the worst thats ever happened to me with an OC is crashes.

i really dont think its that dangerous at all...
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April 22, 2011 11:41:29 PM

After the Auto Tune feature has gotten to the highest stable clocks you can now go in to Afterburner and adjust the voltage to get a higher O.C.
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April 23, 2011 12:33:52 AM

I just played Crysis 1, with the 5770 at 900/1290 mhz, but am disappointed , since my resolution is 1280x1024 and I Can't Max it out to get above 22-25 FPS... according to FRAPS Basically the 5770 is not that great if it can't max out a almost 4 year old game... But I appreciate all your help, i'll prolly leave it overclock , the Bandwidth shows to be up by almost 5GB/s from 76.8 GB/s to 82.6Gb/s, but the actual FPS are maybe like 1-2. Really Thanks.
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April 23, 2011 1:30:42 AM

With that low of a resoultion the graphics crely more on your CPU than your GPU.Get to a higher resoultion and you will see higher frames.Also Crysis is still a very demanding game even to todays standards.It's only recently that people have been able to max it out fully without having to spend lots of money.Crysis 1 also only utilizes 2 cores and it likes very fast dual cores.
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April 23, 2011 3:35:36 AM

Made it home (had to go bowling after work).

Sapphire double slot so air is blown out the case.
My 5770 is set to: GPU clk = 960 and Memory clock = 1445

Idle temp was 38C, ran furmark benchmark in window, not full screen: temp hit 66c and avg Fps = 32
Need to run longer to see max temps - Not really a concern as i'm not a gamer
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April 23, 2011 3:55:28 AM

5770's overclock well:
without any voltage changes (sapphire vapor-x 5770, it actually doesn't allow voltage changes) I got 940/1340 stable with Furmark temps reaching 62C, fan speed at around 52% totally quiet
I saw about 12FPS higher
Use Afterburner its a lot better but make sure you don't go crazy, just go up 10mhz at a time like you said and run furmark every time...
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April 30, 2011 3:47:35 AM

Best answer selected by cronos177.
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July 30, 2011 1:27:16 PM

cronos177 said:
Dear community,

Any information regarding the overclocking of this card http://www.newegg.com/Product/Product.aspx?Item=N82E168...
I have some experience overclocking CPU as am running mine from Stock 2.9 ghz @ 3.5ghz, for what I know it is less risky to overclock a processor. Does similar rules apply to Graphics cards? Like heat is the main concern when overclocking? Does is provide a noticeable difference a slight but safe overclock, it is "safe to even try" increasing 10mHz at a time?
Any input is appreciated, Am new to this and I like it! Thanks

I was wondering if you could send me a dump of your h577fk1gd. I lost my bios when i switched it to a sapphire 6770 bios.
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July 30, 2011 2:43:46 PM

bcarm17 said:
I was wondering if you could send me a dump of your h577fk1gd. I lost my bios when i switched it to a sapphire 6770 bios.


how do i do that?
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