PC games don't render in software running on your main CPU, either. They use your 3D graphics accelerator video card. It's still software, but running in very specialized hardware.

A PC video card is pretty much the same thing as what is in a game console. Better, in fact, if you buy a high-end card. I have a card from several years ago (NVidia 8800 GT) that has 112 processors in it. That's at least 112 times faster than my CPU at doing rendering. You can buy that card for peanuts. The current flagship, 9800 GX2, has 256 graphics processors in it, and they're fast. Good luck matching that in software even with Intel's Flagship I7 with 4 cores.

You might wonder if these cards can be coerced into doing more realistic rendering, not real-time, but still way faster than your main CPU. That would be a yes, and is the subject of intense investigation at the moment. But not for Poser.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)