How to make dedicated graphic card as Primary display adapter in AMD APU with dual graphics?

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visheshsaxena

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Dec 20, 2014
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I bought a Lenovo G50-45 series laptop with AMD A8-6410, integrated 512MB AMD R5 230m Graphics & dedicated AMD R5 230m 2GB GPU. After updating to latest AMD drivers, my laptop shows 2 display adapters: AMD R5 graphics & AMD 8500m HD.

I tried many bench marking software and they show only integrated GPU as primary adapter. They don't show my dedicated GPU at all while MSINFO32.exe shows it.

  • Can I switch my primary adapter to dedicated 2GB GPU?
    Will it increase the performance of my laptop?
    How can I make sure that both the GPU are working simultaneously?
Any information in this context will be very helpful. I have seen BIOS and it has no such option.
 
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No, yes, and I don't think you have that phrasing right. Running both would decrease the performance of one of them, stick to the dedicated card to get the best performance. It will drop your battery life significantly, however if it works. Your best bet for laptops running an integrated and discrete card is getting from the manufacturer of the laptop themselves as the GPU developer does not directly support switchable graphics options. Then the software that would normally be in the software for the laptop, or the BIOS, should include the options for when and when not to use the dedicated card.

The two of them working together will not help performance, as the dedicated would only add 35% more performance on average to the integrated...
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Xibyth

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Mar 22, 2014
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No, yes, and I don't think you have that phrasing right. Running both would decrease the performance of one of them, stick to the dedicated card to get the best performance. It will drop your battery life significantly, however if it works. Your best bet for laptops running an integrated and discrete card is getting from the manufacturer of the laptop themselves as the GPU developer does not directly support switchable graphics options. Then the software that would normally be in the software for the laptop, or the BIOS, should include the options for when and when not to use the dedicated card.

The two of them working together will not help performance, as the dedicated would only add 35% more performance on average to the integrated graphics, while it is 6x faster on average.
 
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