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#1 Jonnothin  Icon User is offline

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AMD dual graphics worse than apu alone?

Posted 23 January 2013 - 08:18 AM

Hi all,

CPU: amd apu a8-3850 (radeon hd 6550d)
Motherboard: msi A75MA-G55
ram: 8gb 1600mhz
OS: Windows 7 home edition 64 bit

I just recently purchased a xfx radeon hd 6570 to run dual graphics with my apu, but after installing them both and activating dual graphics I was left with half the fps than the apu by itself. Is this just for my system or does this happen with dual graphics for everyone?
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#2 modi123_1  Icon User is online

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Re: AMD dual graphics worse than apu alone?

Posted 23 January 2013 - 08:24 AM

Reviews and benchmarks are stellar comparison material.

Example:
http://www.tomshardw...d-a8-3850-llano,2975-2.html
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#3 Jonnothin  Icon User is offline

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Re: AMD dual graphics worse than apu alone?

Posted 23 January 2013 - 08:34 AM

The link doesn't work. And I have looked at a few benchmarks, but from what I've read it should give at least a bit of an improvement and even the card by itself supposedly was going to be better, but it was also half the speed of the apu alone.

Sorry about the double post, I was able to get the link to work with ,2975-2.html added to it. I did read that benchmark and I'm getting the opposite of their results.
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#4 modi123_1  Icon User is online

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Re: AMD dual graphics worse than apu alone?

Posted 23 January 2013 - 08:36 AM

Quote

I did read that benchmark and I'm getting the opposite of their results.

Then you can start working from the premise what ever your setup is - you are doing it wrong.
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#5 Jonnothin  Icon User is offline

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Re: AMD dual graphics worse than apu alone?

Posted 23 January 2013 - 08:38 AM

Okay, I'll run a couple of more tests today. Thanks for the help.
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#6 Jonnothin  Icon User is offline

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Re: AMD dual graphics worse than apu alone?

Posted 23 January 2013 - 02:05 PM

UPDATE: After talking with the manufacturer and running more tests I've turned up nothing new. The card still under performs.

I'm waiting for the manufacturer to reply at the moment.
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#7 Jonnothin  Icon User is offline

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Re: AMD dual graphics worse than apu alone?

Posted 10 May 2013 - 10:38 AM

After doing all the tests that I could think of plus tips for the manufacturer there was no performance improvement.

I sent the card back and would advise anyone with my motherboard/cpu setup to not attempt dual graphics. It doesn't work at all as advertised. If it is somehow possible to get a performance improvement it's beyond my understanding. :/
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