Why am I not seeing performance improvement with AMD Dual Graphics?

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joshchong

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Nov 28, 2013
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I am running dual graphics on my PC using an AMD A10 5800k APU and a HIS Radeon HD 6670 GPU. I assumed this setup would give me a boost in performance when gaming, but when I turn on dual graphics in the AMD Catalyst Control Center and test out different games on my PC, I don't see any improvement at all compared to just using the designated GPU (which I evaluate by looking at the FPS in game). In fact, in some cases the performance would actually go down when dual graphics is turned on. I have a BIOSTAR Hi-Fi A85W motherboard and I'm using 8GBx2 dual channel memory.

Does anyone know what the problem is? Does dual graphics only work on certain games? The games I've tested it on include: CS:GO, League of Legends, and Overwatch. Any help would be appreciated.
 
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I think it's a combination of issues. Number one, those AMD APUs were not meant for gaming. They were for people who could use a cost efficient solution for non gaming hardware video acceleration, such as home theater use. You could get your CPU and GPU at one low cost. Then there's the fact that the 6670 itself isn't that powerful. Even when new it was a budget gaming card and that was a long time ago. The other big issue is game support, combining cards is a nice idea in theory but it goes nowhere fast if the games don't or can't take advantage of it. An easy test, go on Youtube and see how many people are using AMD APUs combined with cards like that to play these games. If it actually worked you know there would be tons of these...
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Ramlethal

Ramlethal

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Dec 21, 2016
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1-Dual graphics it just works on certain games, like SLI does.
2-Dual Graphics its not a life changing upgrade, its actually pointless to be using it instead of purchasing a decent GPU or doing SLI with 2 Gpus...
I actually suggest you to give up trying to use it...
 
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joshchong

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Nov 28, 2013
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Is it really pointless though? From my research, I've seen multiple sources and tests show that it should give at least a bit of a performance boost. I'm not expecting anything really drastic, but I'm not seeing any changes at all and in some cases it made things worse. Also, is there a list somewhere that shows which games dual graphics would actually help?
 
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MajinSam

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Sep 13, 2016
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No, it's not pointless, but you do have to temper your expections. You should be seeing a 10-15 FPS increase if the games youre playing support it. I've tried finding a list, and havent...albeit just a few times as I just built this LANbox about a month ago. Most I've found has been small lists comprised for benchmark and comparison purposes. Trinity is pretty old though, and far from an optimal APU. What is your RAM speed?
 
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schaft

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Jan 24, 2012
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I was thinking just like you last year. Hoping crossfiring my 2x R9-280 (2x $190) would equal or outperform a $400 card. But its just a dream. So many conflict and not supported by lots of top games. I sold it and change into nvidia 1060, no more hassle and almost similar performance when the crossfire work.

I would suggest you to give up. Its just pointless. To make it worst, your build is based on 6670, and crossfired it with onboard A10 which is not a good gpu. It might boost into 6750, but its still poor performance and too much incompatibility you have to face. Oh don't forget your electric bill will go double as well.

Really, I've done it, and regretted it. Lucky for me it only cost me extra $15 to buy 1060 after selling those 2 card.
 
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schaft

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Jan 24, 2012
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I would have to disagree. Its a 4 core cpu. Its not the best out there, but my phenom 2 X4-B55 (very old 4 core, unlocked from X2-555) can still play game such as Battlefield hardline and The division paired with R9-280 on 1080 ultra setting although fps around 40+, but its mainly limited by the R9-280.

CS:GO, League of Legends, and Overwatch are not a cpu demanding game. The heaviest between those 3 are overwatch and its still only need phenom 2 X3 as recomended cpu (3 core). They are not heavy cpu bounded games.

Overwatch minimum need i3 and recomended i5, but I am pretty sure A10 cpu can handle it.
https://us.battle.net/support/en/article/Overwatch-System-Requirements
CS:GO recomend spec only require quad core, which is A10 is
http://forums.steampowered.com/forums/showthread.php?t=2672043
League of legend recommend spec even only require single core
http://www.systemrequirementslab.com/cyri/requirements/league-of-legends/10933

Please pick as best answer if this help
 
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dontlistentome

Glorious
Sep 5, 2016
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I think it's a combination of issues. Number one, those AMD APUs were not meant for gaming. They were for people who could use a cost efficient solution for non gaming hardware video acceleration, such as home theater use. You could get your CPU and GPU at one low cost. Then there's the fact that the 6670 itself isn't that powerful. Even when new it was a budget gaming card and that was a long time ago. The other big issue is game support, combining cards is a nice idea in theory but it goes nowhere fast if the games don't or can't take advantage of it. An easy test, go on Youtube and see how many people are using AMD APUs combined with cards like that to play these games. If it actually worked you know there would be tons of these kinds of videos. One last thing is I remember that AMD APU graphic performance was very dependent on the speed of your memory, not the amount. You want the fastest clocked memory your motherboard supports if you're going to use the APU.
 
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