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[Official] AMD R9 290X / 290 Owners Club - Page 1175

post #11741 of 43976
Quote:
Originally Posted by jerrolds View Post

To be fair I'm curious to see what that 9% bump done to the gpu core would do....I would think it would be more than the 5.34% increase in scores. Then "not very effective" might be somewhat accurate.


Core oc's give the greatest ratio of gains and memory oc is half that with typical variances aside. I didn't run any benches to get a feel for these metrics but I have enough benches draw some knowledge from it. The cpus are different amongst a host of other variables. All that aside as a longtime oc'er here, I could never hit the scores in benches nor game benches without raising memory oc along with core oc. Thus the greatest gains are from balancing both core and memory oc.


1225/1500 = 13414

http://www.3dmark.com/fs/1050519

1320/1700 = 14473

http://www.3dmark.com/fs/1176944
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post #11742 of 43976
Quote:
Originally Posted by Forceman View Post

It is unlocked voltage (they all are), and you can use Afterburner. You need Beta 15, and you may need to make a config file change, but it does work.

In that case I could get my old overclock of 1000/1500 if I were to apply more voltage. Maybe I ruined a capacitor or something? and that's why it demands more power to get my old voltages.
post #11743 of 43976
Quote:
Originally Posted by Forceman View Post

I'd like to see some game testing also. I checked Metro:LL at 1350 and 1500 and it was 0.5 FPS different (or 1%).

Edit: Just checked Batman:AO at 1325 and 1455 (so 10% increase) and it was 3.8% faster.


same result when I tested on Tomb Raider at 6020x1080p, barely .5 FPS difference changing from stock 1250 and 1450. so now I don't even OC my memory on my daily clocks anymore. very little improvement.
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post #11744 of 43976
My second card seems running cooler than first card. It doesn't seems under perform though based on FPS & core clock/GPU usage. So I switched GPU2 to first slot & GPU1 to second slot. It seems this balanced out the temperature for both card when running in Crossfire.

BF4 update last night seems fixed two issue for me:-
- fixed micro-lag when running single card.
- fixed texture flickering in Crossfire.
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post #11745 of 43976
Quote:
Originally Posted by Roy360 View Post

Quote:
Originally Posted by Forceman View Post

It is unlocked voltage (they all are), and you can use Afterburner. You need Beta 15, and you may need to make a config file change, but it does work.

In that case I could get my old overclock of 1000/1500 if I were to apply more voltage. Maybe I ruined a capacitor or something? and that's why it demands more power to get my old voltages.


If yer mining, shouldn't you be underclocking the memory and reducing your voltage usage?
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post #11746 of 43976
Scrypt mining is dependent on a lot of fast memory - most of the 850khs+ have memory at 1500mhz ...but theres a balance, if the core is too high it actually hurts mining speeds. Usually its around 900/1500 for 290X.

Havent seen too many configs that go much higher than 1500.

But i think its a combination of miners w/ Elpida memory and that we're not able to increase memory voltage on ref boards. Maybe non-ref cards will allow for this and 1600mhz+ will be faster.
Edited by jerrolds - 12/20/13 at 11:12pm
post #11747 of 43976
Quote:
Originally Posted by PillarOfAutumn View Post

Can I have some noctuas please??

Or would you like some Scythe?

post #11748 of 43976
Finally took my R9 out of the Box and installed it tonight. Was running a 690 before. Has anyone seen this:

post #11749 of 43976
Quote:
Originally Posted by RAFFY View Post

Or would you like some Scythe?

Ohhh I need some of those o.o
 
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post #11750 of 43976
Quote:
Originally Posted by jassilamba View Post

Finally took my R9 out of the Box and installed it tonight. Was running a 690 before. Has anyone seen this:

Your problem is you're using Precision X.

Use MSI AB Beta 17 or later, or GPUTweak..
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