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post #5341 of 9745
Quote:
Originally Posted by Roboyto View Post


No luck thinking.gif

that's too bad. Well, in any case i hope that someone figures out how to increase the voltage to about 1.4v so everyone can enjoy the full potential of their cards given they have proper cooling sollutions. As far as i can tell and from personal experience it seems fully safe to run the core at 1.4v, atleast temp wise. Only time will tell how much strain is put on the lifespan of the card by pushing that voltage through the core.
post #5342 of 9745
Quote:
Originally Posted by Tobe404 View Post

So basically there is no point OCing memory on a current GPU then? Or am I still missing somehting?

1500Mhz seems to be the sweet spot for the 270/270x. It yields some better performance. Anything above that seems to suffer from diminishing returns.Atleast for the cards with Elpida memory. Those few around with samsung/hynix memory should be able to push higher without any loss in performance.
post #5343 of 9745
@Tobe404

Well that was specific to mining since it is so very sensitive to latency. Probably carries over to gaming/benching somewhat as well but if you can get (close) to 1625 or 1750 without going over there is probably some benefit to be had...although still not much compared to what OCing the core will get you. Also this was specific to 7970/280x and depends on the RAM used. If you read the original post it explains how some VBIOSes are just not well calibrated anyway so it would be more beneficial to actually fix the BIOS first before playing with clocks.
post #5344 of 9745
Quote:
Originally Posted by Arkanon View Post

1500Mhz seems to be the sweet spot for the 270/270x. It yields some better performance. Anything above that seems to suffer from diminishing returns.Atleast for the cards with Elpida memory. Those few around with samsung/hynix memory should be able to push higher without any loss in performance.

And 280x - so it seems... Ah well. Have to try push the core as much as I can then.
Need to find a BIOS which will allow up to 1.4v though. Currently I max out at 1.2v.
Current max temp in games is 70c so I've still got room.
post #5345 of 9745
Quote:
Originally Posted by Tobe404 View Post

And 280x - so it seems... Ah well. Have to try push the core as much as I can then.
Need to find a BIOS which will allow up to 1.4v though. Currently I max out at 1.2v.
Current max temp in games is 70c so I've still got room.


If you do find a bios @ 1.4, do tell me. My cards is currently at 1250/1650 @ 40c under load.
It could go WAY more if the voltage allows it.
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post #5346 of 9745
Quote:
Originally Posted by Unknownm View Post


https://litecointalk.org/index.php?topic=12369.0
Quote:
Originally Posted by Recr3ational View Post

If you do find a bios @ 1.4, do tell me. My cards is currently at 1250/1650 @ 40c under load.
It could go WAY more if the voltage allows it.
How did you get the core clock so high? Mine will throw artifacts at anything over 1220...
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post #5347 of 9745
Quote:
Originally Posted by Recr3ational View Post

If you do find a bios @ 1.4, do tell me. My cards is currently at 1250/1650 @ 40c under load.
It could go WAY more if the voltage allows it.

What brand cards? What voltage? I'm assuming you're under water?
I found a Bios that will allow up to 1.3v but that's it so far...
Anyone know what the difference between a F31 and F60 Bios is?
Was on F31 (1.2v max) and now F60 (1.3v max). Everything else seems the same.
Quote:
Originally Posted by M1kuTheAwesome View Post

How did you get the core clock so high? Mine will throw artifacts at anything over 1220...

I am currently stable at 1150/1500/1170v with no increase in Power Limit.
Doesn't seem like i can increase the core anymore yet. Tried 1200 at 1.3v but no go.
I'm hoping if I mess around with the Power Limits a bit I can get to at least 1200 on the core (1250 would be nice, but you know... Luck of the draw).
Edited by Tobe404 - 4/15/14 at 9:30am
post #5348 of 9745
Quote:
Originally Posted by Arkanon View Post

that's too bad. Well, in any case i hope that someone figures out how to increase the voltage to about 1.4v so everyone can enjoy the full potential of their cards given they have proper cooling sollutions. As far as i can tell and from personal experience it seems fully safe to run the core at 1.4v, atleast temp wise. Only time will tell how much strain is put on the lifespan of the card by pushing that voltage through the core.

I think it's probably because you have an MSI card and BIOS. Similarly to how GPU Tweak doesn't work without an ASUS BIOS. I may try flashing BIOS on my card.
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post #5349 of 9745
Anyone figured out how to get voltage control in after burner with a Sapphire Dual X R9 270 (crossfire). I can adjust it with trixx, (gpuz reports the change) but trixx does not seem stable to me and has caused issues every time I install it.

I have tried every combination in the settings of after burner to no avail.
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post #5350 of 9745
Quote:
Originally Posted by M1kuTheAwesome View Post


How did you get the core clock so high? Mine will throw artifacts at anything over 1220...


Luck maybe?
Quote:
Originally Posted by Tobe404 View Post

What brand cards? What voltage? I'm assuming you're under water?
I found a Bios that will allow up to 1.3v but that's it so far...
Anyone know what the difference between a F31 and F60 Bios is?
Was on F31 (1.2v max) and now F60 (1.3v max). Everything else seems the same.
I am currently stable at 1150/1500/1170v with no increase in Power Limit.
Doesn't seem like i can increase the core anymore yet. Tried 1200 at 1.3v but no go.
I'm hoping if I mess around with the Power Limits a bit I can get to at least 1200 on the core (1250 would be nice, but you know... Luck of the draw).

My card is the PowerColour Turbo Duo,
My voltage wall is 1.3v, why is yours 1.2v? Try and use the powercolours bios?
Yeah I'm underwater.
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