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"It's both graphics and CPU. OSX can run without Quartz Extreme but everything is drawn in software in such case."
You are right, but this is because of a *major* graphic driver issue, because even on machines that don't support Quartz Extreme, the OS X GUI is still pretty responsive: on my old 466MHz Power Mac G4, for instance. That machine has only an ATI Rage 128 graphics card, with just 16MB of VRAM, and it doesn't even support rectangle textures. Yet, OS X squeezes as much as it can from it, and the machine is an order of magnitude faster than the UMPC shown in the video, despite its 466MHz processor.
Actually, I used Tiger (thanks to XPostFacto) on an old 250MHz PowerBook G3 (upgraded to a 500MHz G3) with a Rage Pro card (4MB of VRAM) and it was slow, yet not *that* slow. And I don't think OS X was able to offload much (if any) graphic processing work to that unsupported card...





Member since:
2005-07-17
It's both graphics and CPU. OSX can run without Quartz Extreme but everything is drawn in software in such case. Celeron M 900 Mhz is just too slow. I've run OSX without video acceleration on a notebook with Celeron M 1.6 Ghz and unless you want to watch video or do some 3D stuff it's good enough.