5850 safe overclock

taker123 · Dec 22, 2009

I just got my 5850 and I want to overclock it just so I can squeeze performance out of it but I don't want to push it too hard espeically since I just got it. What is a nice safe overclock for this card that can run 24/7 that I really wouldn't even have to worry about?

Also what is the best overclocking utility to use? I had rivatuner for my old 8800GT but it doesn't seem to work with my 5850.

Gabkicks · Dec 23, 2009

if you dont have an ASUS or MSI card, flash to ASUS bios. then overclock it to 900 core/ 1200 memory

i only bumped the voltage to 1187 to be safe. I use MSI afterburner to alter the auto fan and keep my temps under 70c under full load.

I use MSI afterburner for overclocking my card and tweaking the autofan.

taker123 · Dec 23, 2009

Gabkicks said:
if you dont have an ASUS or MSI card, flash to ASUS bios. then overclock it to 900 core/ 1200 memory i only bumped the voltage to 1187 to be safe. I use MSI afterburner to alter the auto fan and keep my temps under 70c under full load.

I use MSI afterburner for overclocking my card and tweaking the autofan.

I have a Sapphire card and I really don't want to flash the bios

Gabkicks · Dec 23, 2009

if u dont want to flash, then you'll be limited to 775/ 1125 max overclock

. you can do that fine @ stock settings and voltage. I Think i saw something about there being a way to overclock without flashing being available in the future...

Gabkicks · Dec 24, 2009

try this guide. it looks like there's a way to oc to higher speeds without bios flashing. but I dunno if it lets u change voltages.

http://www.overclock.net/ati/633816-new-how-overclock-your-ati-gpu.html

Benitora · Dec 27, 2009

Gabkicks said:
try this guide. it looks like there's a way to oc to higher speeds without bios flashing. but I dunno if it lets u change voltages.

http://www.overclock.net/ati/633816-new-how-overclock-your-ati-gpu.html

Hey thanks for the find, it actually works.... I'm trying to find where mine will be stable at

Benitora · Dec 27, 2009

I ended up at 1005cc/1200mhz with temps staying under 65C

mxthunder · Dec 27, 2009

Very nice! what tools did you end up using? I have heard some others using MSI afterburner and AMD GPU tool to achieve a 1ghz overclock without flashing.

Benitora · Dec 27, 2009

I used the MSI Afterburner, and GPUTool as in the link above. I would like to get an aftermarket cooler for it so maybe I could push it a little farther? We shall see.

Rattle · Dec 27, 2009

i flashed mine to an asus bios does 875/1200 on stock 1.0875v

I also flashed it with a newer bios ATI released for the 5870's, couple others have done it. Stock volts is 1.174, 950/1300 is stable at those volts for me. Of course the card runs much cooler at stock volts and 875/1200, maybe 55c everywhere with 35% fan. Much more fun card then 5870 was to OC and it runs so damn cool, coolest running card ever and so much power.

killem2 · Jan 22, 2010

You don't have to flash the bios to beat the 775/1200 mark. My gpu-z is showing me clearly above those marks on my memory I use the AMD tool and afterburner.

Furmark is also in concurrence with that as well.

Rattle · Jan 22, 2010

you dont have to flash it actually, there's a setting in Afterburner that lets you go past factory bios stock settings, but it stays in 3d mode all the time.

baris_ · Jan 22, 2010

Just keep temperatures under 70-75 and you're fine whatever you do. Unless you put the volts up way too high of course.

latouffe · Mar 4, 2011

Hmmm i unlocked the msi afterburner but im unable to set a higher core clock than 775... The slider just dont go further...
How to get 810?
i have a His 5850

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