PowerPC G5. Clock Speed.
Floppy Drive Type. Storage Removable Type. Header Brand. Product Line. Apple Power Mac. G5 Quad. Networking Data Link Protocol. Ethernet, Fast Ethernet, Gigabit Ethernet. Ethernet Ports. AirPort Extreme ready. Monitor Monitor Type. System Type. Chassis Form Factor.
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Manufacturer Form Factor. Graphics Controller Form Factor. PCI Express x Graphics Processor. Video Memory. Video Interfaces.
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Max Monitors Supported. Manufacturer Warranty Type. Mainboard Data Bus Speed. Audio Output Form Factor. Printer Type. Keyboard Interface. Again, I'd have expected the Power Mac to be faster than the iMac. Kudos to the iMac. Using iMovie, I added a four-second "scale down" transition between two digital video clips. On the PowerBook, this action took 14 sec. The PowerBook needed to do the job. The iMac was a bit better, taking to apply the filter. But the Power Mac practically flew through the task, taking just three minutes flat!
Now, that 's more like it. As with all comparison tests, take these results with a grain of salt. I've found that Xbench can report slightly different results even when run back to back on the same machine. And while my real-world tests offer a glimpse at how the Power Mac performs relative to other machines, it's difficult to account for every variable that might be involved -- such as background processes that might be eating up CPU cycles.
My conclusion? In processor-intensive operations, the Power Mac generally burns rubber, and it positively screams like a banshee when using software that takes advantage of both processors such as Photoshop. If you're someone who does heavy-duty graphics or video, it'll save you a lot of time. And time is money. For more leisurely users, Apple may have reached a point where it offers more speed in its top-end machines than you can realistically take advantage of.
If you've seen my earlier reviews of Apple hardware, you know I've always been a sucker for speed, and there's no doubt this is the fastest Mac I've ever used. Having said that, even I wondered at times if this desktop machine doesn't pack more power than even I need. Here are the latest Insider stories. More Insider Sign Out.
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Sign In Register. All 2. This was a bold step for Apple, and should have allowed the use of very fast processors, giving Apple an advantage in both the performance and reliability race, but the system turned out to be subject to coolant leakage. While leakage was sometimes detectable by drops of green coolant in or beneath the machine, in many [ vague ] machines the seepage is so slight that it was almost impossible to detect without dismantling the entire computer.
Later models only the 2. The liquid cooling system fits into the case where the heat sinks would normally go, so there is no easy way to distinguish the liquid-cooled versions from the air-cooled, although most, but not all, [ vague ] of the liquid-cooled machines have a sticker inside warning about the possibility of leakage.
When P. Semi announced the preliminary pre-production plan of PWRficient processor,  there had been persistent rumors that Apple would prepare for its use in its professional line of personal computers.
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In , The Register reported that P. Semi had formed a tight relationship with Apple, which would result in P. Semi promptly delivering processor chips for Apple's personal computer notebook line and possibly desktops.
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The processor that would run the personal computers was P. The sampled chip also has lower heat intensity than Intel's Core Duo , which gives off 9—31 W under normal load. According to The Register article, P. Semi executives believed that they were all but assured of winning Apple's contract, and CEO Dan Dobberpuhl thought that Apple's hints of moving to Intel were just a persuading tactic.
At the time, the companies were working for PWRficient software. Despite the advantages of more compatible architecture, Apple moved to the Intel architecture officially for 'performance-per-watt' reasons. However, P. Semi would not be able to ship its low-power multicore product in volume until , which, combined with P. Semi's status as a start-up company, seems to have been the final blow to the development of Power Mac computers.
However, it was also speculated that Apple switched to Intel processor because Apple could no longer abide the constant delays in performance ramp up,  desired native Windows compatibility, or it was Apple's strategy to shift its business focus away from desktop computing to iPod and subsequently iOS development. Apple acquired P. Semi in ,  using P. From Wikipedia, the free encyclopedia. See also: Timeline of Macintosh models.
Apple Inc. October 19, Retrieved June 27,