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HIS 5770 overclock.

post #1 of 9
Thread Starter 
Does anyone know where to find some known overclocks for this card?

Also, my main card hits 75c under full load, secondary around 62... should I OC it?
    
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post #2 of 9
go for it buddy! no two cards will OC the same way, it will take some trial and error if you wanna push it to the limits!

My two 5770's (xfx and Sapphire) are running at stock clocks ATM. Before i got the Sapphire my XFX was running at 950/1325 @ 1.24v with an aftermarket cooler. You just need to make sure the temp does not get too high (<100C)

When my XFX started to hit 90-95C i didnt wanna chance it gettin any hotter so i got a Scythe Setsugen 2 cooler, Super quite and Very cool!
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post #3 of 9
I slightly disagree about the upper temp limit for the card - for long term use I wouldn't push it over 80°C, preferably under 70°C. You can OC, but watch the temps. You can always try to improve airflow around the hotter card, it's not unusual to place a 120mm fan between the cards and the front of the case to bring some cool air.
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post #4 of 9
My revision 2 XFX 5770 is currently running at 970/1350/1.1V.

I have 2 extra side fans that blow cold air on the card while gaming. Max gaming temps are 47c core and 50c memory.
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post #5 of 9
I found a couple 50mm fans from some old comps that work great between the cards. I have the plastic cover off of the Sapphire 'egg type' cooler, and RAMsinks on all of the chips on both cards.

It also helps that my HAF922 has 3 200mm fans aswell. smile.gif
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post #6 of 9
I too have the plastic cover off my card so that the cold air hits the heat pipes directly.

Gotta love modding/improvisation!
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post #7 of 9
Thread Starter 
Ok so since my temps have hit 85 in the past, I guess its time to look into some better cooling.

Besides keeping the room the computer is in at around 70f, I have 2 120mm fans, a 90 mm on top of the hot card, and a huge floor fan duct taped to the side of the open case.
Yet I still run considerably higher temps that I see others run. Under idle load Gpu1 is at 42c and gpu2 is at 34c.

Im willing to pull out all the stops short of spending hundreds of dollars so where should I start to improve my cooling performance?
    
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None beacuse optical media is dead Noctua DH15 Windows 10 Professional Vizio 60" M-series 4K 120hz 
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post #8 of 9
Thread Starter 
any advice?
    
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Asus Crosshair Hero VI AM4 Sapphire NITRO Fury OC+ Gskil TridenZ 3466 2x8GB Samsung 960 PRO 256x2 
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None beacuse optical media is dead Noctua DH15 Windows 10 Professional Vizio 60" M-series 4K 120hz 
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Saitek Cyborg Corsair AX1200 CoolerMaster HAF-X Razer Deathadder Chroma 
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MotherboardGraphicsRAMHard Drive
Asus Crosshair Hero VI AM4 Sapphire NITRO Fury OC+ Gskil TridenZ 3466 2x8GB Samsung 960 PRO 256x2 
Optical DriveCoolingOSMonitor
None beacuse optical media is dead Noctua DH15 Windows 10 Professional Vizio 60" M-series 4K 120hz 
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Saitek Cyborg Corsair AX1200 CoolerMaster HAF-X Razer Deathadder Chroma 
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post #9 of 9
Manual set your fan to about 70% or 75% speed. I will be a little louder and will do the trick too.

EDIT
I had 2 HD5770 V2 Sapphire CF oc to 1000/1300. I needed to set the fan speed up to keep up with the heat.
Edited by dixson01974 - 6/10/11 at 2:04pm
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