AMD Crossfire slows down my system when pairing a 6570 gpu and an A8 3850 apu

ryon137 · Jul 16, 2013

I literally spent months trying to get crossfire to work. After buying a new Mobo, and working around a few problems, i finally got it to work. After launching it, games performed worse. Could someone please tell my why, and maybe how to fix it?

lonewolf7 · Jul 17, 2013

APU may be the reason. It's bottlenecking the crossfire, and making the games to run slow. APU means CPU + GPU(integrated). Thus it is not a good CPU and not a good GPU either.

Try with one GPU, and see how it works.

ryon137 · Jul 17, 2013

lonewolf7 :

I dont think you understand. I am pairing a gpu with a apu. While running the gpu by itself, it is ok. While pairing them it is worse, which makes no sense.

renz496 · Jul 17, 2013

ryon137 :

You mention about cross fire so i think he mistakes that with regular cross fire system. What you're talking about i believe is not cross fire but amd dual graphic technology which combining the gpu portion of the apu with compatible discrete gpu. It is a rebirth of hybrid cross fire technology from ati 3000 series. In theory it should increase the performance but things like cross fire are 100% relying on drivers to work properly. Have you checked if your gpu are compatible with your apu for dual graphic combination? Also try using different driver to see if that can fix your problem

ryon137 · Jul 17, 2013

renz496 :

ryon137 :

You mention about cross fire so i think he mistakes that with regular cross fire system. What you're talking about i believe is not cross fire but amd dual graphic technology which combining the gpu portion of the apu with compatible discrete gpu. It is a rebirth of hybrid cross fire technology from ati 3000 series. In theory it should increase the performance but things like cross fire are 100% relying on drivers to work properly. Have you checked if your gpu are compatible with your apu for dual graphic combination? Also try using different driver to see if that can fix your problem

ok that makes sense. I was unaware that there were 2 kinda of crossfires. Sorry my bad. But I know the apu and gpu are compatible, it says on the box. I will try different drivers, do u recommend which ones i should install?

renz496 · Jul 17, 2013

Which driver version you're using right now? Normally people want the latest WHQL one. If ypu dont mind using beta driver then grab the latest beta. If that's not working fot you try using older driver. Btw i forgot to ask did the problem happen to all games?

ryon137 · Jul 17, 2013

renz496 :

All of the games that i tried it with did. Besides game lag there was just a normal lag on login. Also should i get the driver for the gpu or apu?

renz496 · Jul 20, 2013

did both have separate drivers? AFAIK they got unified into AMD Catalyst Driver Suite. i look up at AMD site they mention this:

Feature Highlights of AMD Catalyst™ 13.6 Beta2 for Windows®:

Improves performance in PCMark 7 and PCMark 8 on the new AMD A10, A8, A6, and A4 Series APUs for desktop and mobile platforms.
Resolves HDMI Audio drop-out issues on the AMD Radeon HD Series of products.

ryon137 · Jul 20, 2013

renz496 :

Ok, so I decided to just buy a completely new graphics card. Thanks for the help though!

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