About Intel Haswell HD Graphics

user2543574

Recently I bought Intel Haswell cpu (G3420). Right now I am using Intel HD Graphics. Does running graphics adapter slows down cpu? If I add a discrete graphics adapter will I get benefits from running HD Graphics (same as AMD Dual-Graphics) of should I better turn it off?

Madball73

Using either an iGPU or a discrete card will not affect the performance of the CPU (in isolation). i.e. the CPU will do the same number of calculations per second.

However, overall system performance will definitely vary between discrete and iGPU's especially, obviously, for 3D applications.

If you have a discrete card, it will usually be faster than the iGPU for overall performance unless the card is very old or basic. There is not much downside to using discrete graphics cards, outside of power consumption and heat.

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