![]() The PowerBook G4 comes equipped with ATI’s RAGE 128 Mobility chip, configured with 8MB of SDRAM video memory on a 2x AGP interface - this aspect of the PowerBook’s design is unchanged from the previous iteration. ![]() Should that happen, the PowerBook G4 would be the only game in town for Mac gamers looking for bleeding-edge games that push the hardware’s limitations. If Devine and company can show that there’s an appreciable performance benefit by optimizing code for G4s, it’s possible that other developers may follow. Graeme Devine has indicated that he’s readying the release of a Velocity Engine-optimized version of Quake 3 Arena (which should be out soon), and Devine is certain enough of the G4’s capabilities that he’s said Id plans to make future builds of Quake 3 Arena for OS X and other new products for G4-equipped machines only. Outside of some technology demos, game developers have been slow to take advantage of the benefits of the “Velocity Engine” architecture which makes the PowerPC G4 chips special - the technology is also known by it its Motorola-dubbed nomenclature, “Altivec.” The heart of the PowerBook G4 is the PowerPC G4 processor, operating at 400 or 500MHz. ![]()
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February 2023
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