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Overclocking my 5770: How far should I go?

post #1 of 19
Thread Starter 
I have never overclocked a GPU (or CPU, or anything else ) in my life, but I did research a little. I downloaded the Catalyst utility which allows me change the core and memory clock.

Right now my 5770 is at stock settings, which is 850mhz GPU Clock and 1200mhz Memory Clock. How far should I overclock it without causing damage to my card?

My case also has pretty nice airflow, so overheating shouldn't be a problem. Right now I am getting 68 degrees max when running games at highest possible settings.
post #2 of 19
925/1385.

Thats where I had mine when only using one GPU.
What kind of 5770 is it? What cooler?
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post #3 of 19
Here is a guide. As long as you aren't changing any voltages, go as high as you like (while remaining stable, of course).
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post #4 of 19
Thread Starter 
Quote:
Originally Posted by amstech View Post
925/1385.

Thats where I had mine when only using one GPU.
What kind of 5770 is it? What cooler?
ASUS 5770. Stock cooler. However, I installed a Vantec GPU cooler right below it in one of my PCI slots, but it really doesn't help all too much (2 degrees max).

Should I still go with your clocks?
post #5 of 19
Use ThisIsChuck's method. I managed to hit 960/1445 stable, you never know what you might get out of your card

Edit: read the above guide. I think it's 10mhz at a time you're supposed to go, and run the test tool for 30s-1m. 85-90C is max safe temp.
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by thisischuck01 View Post
Here is a guide. As long as you aren't changing any voltages, go as high as you like (while remaining stable, of course).
I would rather not change voltages. I have heard some bad things about that.
post #7 of 19
I clocked mine to 950/1300 using afterburner, very stable.
post #8 of 19
Quote:
Originally Posted by ComradeNF View Post
I would rather not change voltages. I have heard some bad things about that.
He said as long as you aren't changing voltages o.O.
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post #9 of 19
925/1385 won't require any voltage changes, just have some decent airflow in the case or near the GPU.
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X3Elite (HTPC)
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Dell XPS L702X
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveCoolingOS
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Hard DriveOptical DriveOSMonitor
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post #10 of 19
Thread Starter 
Quote:
Originally Posted by Xero. View Post
He said as long as you aren't changing voltages o.O.
I realize that. I was just agreeing with him. I won't be changing my voltages.
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