What happens when you add a Graphics card to a i7 with build in graphics (e.g. HD 4000)

Posted by Matt on Super User See other posts from Super User or by Matt
Published on 2012-05-05T13:54:13Z Indexed on 2012/09/15 9:41 UTC
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graphics-card

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cpu

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intel-core-i7

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integrated-graphics

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ivy-bridge

I'm thinking of upgrading my computer from an AMD Phenom II X4 955BE with a AMD Radeon HD 6800 Graphics card (not integrated) to using a Intel Core i7 3770. As I have no knowledge of integrated graphics, my question is, what happens to the computing power when not using the HD4000 integrated graphics of the CPU (does it mean the CPU will run faster then it would if I relied on it?)

Also what is better the CPUs inbuilt HD4000 or my Radeon Graphics card?

I am mostly interested in terms of content creation: Using Adobe After Effects, 3D Rendering etc. Not too bothered about gaming performance. I will be using the spare parts of this build and older systems to make a second computer for network renders so what will be the advantages of keeping the Radeon with the current system for that?

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