At 8:39 PM +1100 01/22/2006, Chris Zantides wrote:
Im curious to know how a G3450 compares with say a G400 or whatever.
The G4 uses the scalar and base fpu cores from the G3, but has slightly bigger on-chip cache and a slightly faster bus interface. So for many tasks, it will be on par or only a bit faster than the same clock-speed G3.
Where it blows past the G3 is with code that use the altivec (floating point and vector processing) instructions.
Of note is OS X itself... When you have altivec available, OS X uses it in a number of places - the most visible being in Core Image and Quartz. This makes the GUI faster! *Note that the rest of the speed-ups and many of the fancy special effects from Core Image and Quartz Extreme also require a programmable GPU video card.
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