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What's the purpose of a CPU with an integrated GPU?

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5 replies to this topic

#1
Outbreaker

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HI :)

Does a CPU with an integrated GPU have any purpose if you have a separate Graphics Card?

Edited by Outbreaker, 21 June 2012 - 10:04 AM.



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#2
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As an emergency GPU if your main card burns out? I love the fact that my Sandy Bridge has it.

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#3
Outbreaker

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That's all? I thought if you don't need a lot of graphic power the integrated GPU of the CPU would be used and the Graphic Card would be turned off.
So it's better to buy a CPU without a GPU integrated and spend this money on a better graphic card?

#4
submix8c

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? Never having one or any general knowledge of it, I found this -
http://www.overclock...ridges-gpu-work
DVI Connector... the CPU does the work instead of a separate Chip - utilizes (shares) the L3 Cache.

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#5
bphlpt

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You can't really make a general statement that will always be true. It will depend on everything from the actual CPU that has the integrated GPU, the external GPU, the motherboard, the BIOS, the OS, etc, etc. I know some combination of integrated GPU + certain external GPU + plus certain motherboards can actually be as you described and have the integrated GPU used for certain tasks and the external GPU take over from, or work together with the internal GPU. For other combinations, if the external card is plugged in the internal one is disabled. For others, you can pick which one you want to use in the BIOS, but you can only use one or the other, not both and it cannot be changed except through the BIOS. You'll just have to read the specs in detail, mainly the motherboard specs, and go from there.

Cheers and Regards

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#6
tomasz86

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You can also connect additional monitor(s) to it (of course your motherboard must be able to use both at once).

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