Sony's Cell chip for a New Amiga

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The chip is basically junk. It was designed with the idea of having the gfx processing done on the CPU... But it didn't really work and needed a proper GPU to go with it. At 6 years old, I'll bet the new quad core ARM SoCs would out perform it using much less power.

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LMAO, not a fan then?

Yeah, that did come across as a bit harsh... But yeah, I'm not a fan, the actual CPU core is pretty weak and of little use for desktop work.

The Xbox 360's CPU is better, but no AmigaOS can handle multiple cores (due to an architectural limitation, that was designed into the OS from the start), so wouldn't be much use either...

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ARM processors aren't particularly impressive, they are low power but they are also slow. I prefer Intel Atom. A trapdoor atom card would be awesome.

The Atom uses quite a bit of power for its performance... I would choose The ARM in almost all situations... Despite the obvious advantage of having x86... That said, I would take either an ARM or Atom trapdoor CPU card

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Software compatibility? For AROS, sure, but not for AmigaOS! Other operating systems - Linux is on ARM and x86, Android is ARM and soon x86.

Samsung will have their 2.0GHz ARM Cortex A15 dual-core out early next year - that will outperform even the fastest Atom (event the 2.13GHz ones). The ARM ecosystem is simply far more interesting at the moment.

AROS is also available for ARM