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Member Since 06 Jun 2012
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#5003889 What is the difference between CPU and GPU?

Posted by on 24 November 2012 - 11:32 PM

I think about it like this:

CPU does the math, GPU does the rendering.

Ta-Da Posted Image (I'm not a smart programmer Posted Image ).

GPU does the math too. I would say it's more like, CPU does the logic that brings everything together, and GPU is the powerhouse that drives rendering, and possibly physics (and perhaps other stuff too).

Perhaps the best way to say it is that a CPU is a generalized processor, and a GPU is a processor designed to efficiently operate on graphical entities. It's more or less a very specialized CPU - what it is designed to do, it does much faster than a general CPU, and what it wasn't designed to do, it does much, much, much slower.