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Overclocking a Sapphire X850 XT PCI-E

post #1 of 11
Thread Starter 
Hello everybody

Im a n00bie at overclocking, and I would like to OC my Sapphire ATI Radeon X850 XT PCI-E 256mb, but dont know what the Safe speed is to stick with my specific card, can anybody help the poor old n00bie Dan...?

basically I just dont want to frie my card Because I only bought it a few months ago.

you can frie my old x300 SE if you want tho

thanks in advanced,
Daniel
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post #2 of 11
Download atitool 0.25 beta 14

Look around in the prog a bit, you will find menus for things such as fan speed control and temperature monitoring.

You will want to adjust your fan speed up some,

Click to scan for artifacts and let the core warm up for a while, then start increasing the gpu clock a little bit at a time. You can click "find max gpu" but it may clock you gpu higher than it can handle, it wont artifact at first sometimes. I hope you have the big vga fan

If you see yellow dots, you are artifacting

Once you've got your gpu where you want it, start increasing the memory a little at a time.
    
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post #3 of 11
That card is capable of running at very high temperatures. Try to keep it around 95 celsius. My card is capable of running at 95C all day. So as long as you are below that you shouldn't have any problems.
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post #4 of 11
Quote:
Originally Posted by Malaziel
That card is capable of running at very high temperatures. Try to keep it around 95 celsius. My card is capable of running at 95C all day. So as long as you are below that you shouldn't have any problems.
That's true. lol, in fact, I use my computer to warm up my room in the winter but I never let it get to 95C tho, as it would artifact like hell.
Mine runs stable at 85C but I prefer to keep it under 80, just for comfort.
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post #5 of 11
how much did you guys get your core to? Mine starts artifacting at 550, while my memory can run up to 600 fine
 
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post #6 of 11
Thread Starter 
erm... luckyly i didnt throw away my x300, my x850 XT just kinda started making a noise after i put the fan up, turns out the bearing has gone... well thats a bummer, i set it back to default and its still doing the same... im geting it fixed... ill get back to you when i get it back... 20 FPS for Counter-Strike Source then...

Daniel
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post #7 of 11
Thread Starter 
Quote:
Originally Posted by DanielF50
erm... luckyly i didnt throw away my x300, my x850 XT just kinda started making a noise after i put the fan up, turns out the bearing has gone... well thats a bummer, i set it back to default and its still doing the same... im geting it fixed... ill get back to you when i get it back... 20 FPS for Counter-Strike Source then...

Daniel
Fixed, uninstalled atitools...
2017 Build
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i7 7700k Gigabyte Z170X-UD3 Sapphire HD4890 (to be replaced w/ RX Vega 64) Kingston HyperX Savage 32GB 3000mhz 
Hard DriveHard DriveCoolingOS
Samsung 840 Pro 128GB WD Green 4TB Noctua D15 Windows 7 x64 
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post #8 of 11
Quote:
Originally Posted by DanielF50
erm... luckyly i didnt throw away my x300, my x850 XT just kinda started making a noise after i put the fan up, turns out the bearing has gone... well thats a bummer, i set it back to default and its still doing the same... im geting it fixed... ill get back to you when i get it back... 20 FPS for Counter-Strike Source then...

Daniel
Theres nothing wrong with the fan bearing, it's just noisy at high fan speeds, catalyst control center never sets the fan this high is all
    
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post #9 of 11
my old x800gto got to about 610/610
    
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post #10 of 11
My card is sadly not a very good overclocker and can only go to 540/612. Mister Crowley is right the fan on the x850xt is quite loud at 100% so either learn to live with the racket or get a new cooler. I wear noise cancelling headphones when I am on my computer and it never bothers me.
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