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[Official] AMD R9 290X / 290 Owners Club - Page 4017

post #40161 of 43972
Quote:
Originally Posted by gatygun View Post

Amd drivers have massive cpu overhead, combining a fast gpu with a slower cpu isn't going to work well. I experienced that myself. It's your cpu. Either switch the 290 for a nvidia card, or upgrade your cpu to resolve it.

It's not that it's AMD or Nvidia. That CPU will hold back a 980 in the same/similar situations. The best solution is to upgrade to an i5.
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post #40162 of 43972
Quote:
Originally Posted by rdr09 View Post

you can do all that, but if you play a multi-threaded game . . . it would not help. i learned early from my HD 7900 cars in crossfire. HT on gave me higher minimums. now, with hawaii, i don't even think about turning HT off.

like Kizwan, mine just works. i just install the old driver over the new. no ddu on all my rigs. intel or amd.

what i do different from others "maybe" is . . . install one card, install driver, install the other card. CCC automatically enables crossfire.

i do some rituals, too, with Afterburner. mainly how it set as per this thread . . .

http://www.overclock.net/t/1265543/the-amd-how-to-thread

Just a few thoughts....

The member's system in question is running an i5, so there is no HT to be turned on/off. An i5 is more than enough for crossfire 290X's. I'm running a slower i5 (4570) with two 290's and have not experienced much CPU bottlenecking, if at all.

You've mentioned a few times now about enabling or disabling HT. Forgive me, but I see no reason why you'd ever want to disable it. Wouldn't you not want the most CPU performance available at all times? wink.gif

The member's system in question is having issues with getting crossfire to work/perform properly which doesn't really have anything to do with multi-threaded games. It has more to do with the drivers and/or additional settings.

I agree with installing new drivers with one card powered in the system, then shutting down, reconnecting power to the 2nd card and power up again. CCC should enable crossfire automatically or at least bring up a prompt, but it doesn't always do that (from my experience). But yeah, that's why I included those steps in my write up a few posts back. wink.gif When I tried installing new drivers with both cards powered, I ran into issues.
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post #40163 of 43972
Quote:
Originally Posted by MEC-777 View Post

Just a few thoughts....

The member's system in question is running an i5, so there is no HT to be turned on/off. An i5 is more than enough for crossfire 290X's. I'm running a slower i5 (4570) with two 290's and have not experienced much CPU bottlenecking, if at all.

You've mentioned a few times now about enabling or disabling HT. Forgive me, but I see no reason why you'd ever want to disable it. Wouldn't you not want the most CPU performance available at all times? wink.gif

The member's system in question is having issues with getting crossfire to work/perform properly which doesn't really have anything to do with multi-threaded games. It has more to do with the drivers and/or additional settings.

I agree with installing new drivers with one card powered in the system, then shutting down, reconnecting power to the 2nd card and power up again. CCC should enable crossfire automatically or at least bring up a prompt, but it doesn't always do that (from my experience). But yeah, that's why I included those steps in my write up a few posts back. wink.gif When I tried installing new drivers with both cards powered, I ran into issues.

i had a single 290 for awhile. about a year. turning HT off made my water cooler and with it off . . . it can handle the 290 just fine. but, like is said, based on my experience with crossfire HD7900 cards and now with 2 290s . . . i have to keep it on. i added rads to compensate for the extra heat from adding another 290 and turning HT on.

edit: here was my usage with a single 290 in BF4 at 1080, which is fine . . .



but adding another 290? maybe playing with settings will work like one member did. i'll post the link when i find it. here was what Truelies did . . .

http://www.overclock.net/t/1553034/low-fps-with-r9-290x/50#post_24447176
Edited by rdr09 - 11/4/15 at 7:50pm
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post #40164 of 43972
Quote:
Originally Posted by rdr09 View Post

i had a single 290 for awhile. about a year. turning HT off made my water cooler and with it off . . . it can handle the 290 just fine. but, like is said, based on my experience with crossfire HD7900 cards and now with 2 290s . . . i have to keep it on. i added rads to compensate for the extra heat from adding another 290 and turning HT on.

edit: here was my usage with a single 290 in BF4 at 1080, which is fine . . .



but adding another 290? maybe playing with settings will work like one member did. i'll post the link when i find it. here was what Truelies did . . .

http://www.overclock.net/t/1553034/low-fps-with-r9-290x/50#post_24447176

Oh I see, so you turned HT off to reduce your water temps. How much of a difference does that make though?

In my system, with the i5 and two 290's, most of my games show near 100% usage on both GPUs (as long as it's a demanding game like GTA-V) fairly consistently. Even though I do see high CPU usage in some games, it still seems to remain mainly GPU-bound which is what you want. I run most of my games at 1440p which puts more load primarily on the GPUs vs at 1080p. The heavier the workload on the GPUs the less CPU overhead you will have. wink.gif So running at 1080p may show some CPU bottlenecking with a straight i5, which is also why you'd see an improvement by enabling HT on an i7. wink.gif
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post #40165 of 43972
Quote:
Originally Posted by MEC-777 View Post

Quote:
Originally Posted by kizwan View Post

I don't need to do any of that. Mine just works.

Lucky you. tongue.gif

Not all of that is completely necessary, but it's to cover a "worst case scenario" type situation. You shouldn't have to do all that, but in my case, much of that was/is necessary. The very first time I powered up my system with both cards installed, neither would run higher than about 618mhz or something weird like that. It was very bizarre. Following the procedure I outlined, I haven't had any such problems or auto-downclocking since. Now it just works as it should. wink.gif
I still have screenshots of gpu usage & core frequency (playing BF4 with the cards still using the stock cooler) that I took in the first week I got my 290's. Yeah, it's pretty much smooth sailing for me. No black screen issue either like many people have back then.
Warning: Spoiler! (Click to show)

Quote:
Originally Posted by HOMECINEMA-PC View Post

Quote:
Originally Posted by kizwan View Post

I don't need to do any of that. Mine just works.



biggrin.gif
Quote:
Originally Posted by MEC-777 View Post

Quote:
Originally Posted by mfknjadagr8 View Post

I've had similar issues and I always do it almost exactly the way you outlined now...I even had issues where the cards would show crazy numbers on clocks like 2700 on memory...or 1700 on core...it was simply a driver issue...but I do it slightly different to enable the unofficial overclocking mode...as to ulps it effects some overclocking programs and can effect crossfire when overclocking so I disable it as well

I left ULPS enabled and "extend OC limits" disabled. With that, I've been able to push both card up to 1200/1450, but that was on the ragged edge (able to finish a run of firestrike but that's about it). I'm not too concerned with extreme OCing though as I find even at stock they're more than fast enough to run the games I play. wink.gif That being said, they'll do 1100/1350 all day long perfectly stable. biggrin.gif
Quote:
Originally Posted by Shweller View Post

Thanks, I will give it a try and report back. I am happy to see support in the AMD community is strong.

No prob, let me know. smile.gif Yeah, these Hawaii cards offer by far, the best performance per dollar of any GPU currently available, so it's understandable that there's quite a few people running them. If you can control the heat they produce effectively and get a good OC on them, they can really pump out a lot of performance. biggrin.gif
What I found when overclock & overvolt while ULPS still enabled is that the secondary card, while it seems running at max frequency, was not running at full performance. The voltage on the secondary card was not overvolt like it should be but it doesn't crash when running benchmark or when playing games. ULPS can masking overclock instability. This was like a year ago & probably not true anymore with the drivers update and what not. You can check this by logging the data from secondary card using GPU-Z in two conditions; stock frequency & overclock (1200/1450). Then you can plot a graph in Excel for the voltage & compare both to see whether the secondary card was properly overvolt or not.
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post #40166 of 43972
Quote:
Originally Posted by MEC-777 View Post

Oh I see, so you turned HT off to reduce your water temps. How much of a difference does that make though?

In my system, with the i5 and two 290's, most of my games show near 100% usage on both GPUs (as long as it's a demanding game like GTA-V) fairly consistently. Even though I do see high CPU usage in some games, it still seems to remain mainly GPU-bound which is what you want. I run most of my games at 1440p which puts more load primarily on the GPUs vs at 1080p. The heavier the workload on the GPUs the less CPU overhead you will have. wink.gif So running at 1080p may show some CPU bottlenecking with a straight i5, which is also why you'd see an improvement by enabling HT on an i7. wink.gif

if you saw my earlier post in BF3 . . . with HT off my cores were hitting 70C. that was 'cause i did not have enuf rad space (only 120 per block limited by my case). If i had the right amount, then i would keep HT on with a single 290. Never ever tried HT off with 2 290s. Maybe sandy's ipc is really slow and a greater oc would help. here is my usage in BF4 at 4K using Mantle and DX11 . . .



pretty similar but mantle seems evenly distributed. they both keep my gpus at work.
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post #40167 of 43972
Quote:
Originally Posted by battleaxe View Post

lachen.gif
Amen




Quote:
Originally Posted by rdr09 View Post

you can do all that, but if you play a multi-threaded game . . . it would not help. i learned early from my HD 7900 cars in crossfire. HT on gave me higher minimums. now, with hawaii, i don't even think about turning HT off.

like Kizwan, mine just works. i just install the old driver over the new. no ddu on all my rigs. intel or amd.

what i do different from others "maybe" is . . . install one card, install driver, install the other card. CCC automatically enables crossfire.

i do some rituals, too, with Afterburner. mainly how it set as per this thread . . .

http://www.overclock.net/t/1265543/the-amd-how-to-thread

G44


Quote:
Originally Posted by kizwan View Post

I still have screenshots of gpu usage & core frequency (playing BF4 with the cards still using the stock cooler) that I took in the first week I got my 290's. Yeah, it's pretty much smooth sailing for me. No black screen issue either like many people have back then.
Warning: Spoiler! (Click to show)



biggrin.gif
What I found when overclock & overvolt while ULPS still enabled is that the secondary card, while it seems running at max frequency, was not running at full performance. The voltage on the secondary card was not overvolt like it should be but it doesn't crash when running benchmark or when playing games. ULPS can masking overclock instability. This was like a year ago & probably not true anymore with the drivers update and what not. You can check this by logging the data from secondary card using GPU-Z in two conditions; stock frequency & overclock (1200/1450). Then you can plot a graph in Excel for the voltage & compare both to see whether the secondary card was properly overvolt or not.

post #40168 of 43972
Ohmigawd! My phone!
post #40169 of 43972
Quote:
Originally Posted by kizwan View Post

I still have screenshots of gpu usage & core frequency (playing BF4 with the cards still using the stock cooler) that I took in the first week I got my 290's. Yeah, it's pretty much smooth sailing for me. No black screen issue either like many people have back then.
Warning: Spoiler! (Click to show)



biggrin.gif
What I found when overclock & overvolt while ULPS still enabled is that the secondary card, while it seems running at max frequency, was not running at full performance. The voltage on the secondary card was not overvolt like it should be but it doesn't crash when running benchmark or when playing games. ULPS can masking overclock instability. This was like a year ago & probably not true anymore with the drivers update and what not. You can check this by logging the data from secondary card using GPU-Z in two conditions; stock frequency & overclock (1200/1450). Then you can plot a graph in Excel for the voltage & compare both to see whether the secondary card was properly overvolt or not.

No. This is still true. I had this happening just the other day. Couldn't figure out why my second card was running cooler than the first, and this was the reason. Once ULPS was disabled FPS increased as did heat. So you are correct still even on new drivers.thumb.gif
     
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post #40170 of 43972
so after daaays of research & bios editing & undervolting & benchmarking &... i came up with this as my 24/7 gaming stable profile on my 290:


-33% power consumption & higher performance at the same time biggrin.gifthumb.gif
wonder WTH are they (AMD's "engineers") doing mellowsmiley.gif

BTW my score @stock is 10900 rolleyes.gif
Edited by AliNT77 - 11/5/15 at 10:00am
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