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Topic: G4 Processor

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	PowerPC G4 - Wikipedia, the free encyclopedia
		The 7400 debuted in late summer of 1999 and was the first processor to carry the G4 moniker.
		As of early 2005 the fastest processor shipping in Apple's G4 lineup is the MPC 7447B, running at 1.67 GHz and found in the January 2005 revision PowerBooks.
		Apple is phasing out the G4 series for desktop models after it selected the 64-bit IBM-produced PowerPC 970 processor as the basis for its G5 series.
	en.wikipedia.org /wiki/PowerPC_G4 (783 words)

	CNN.com - Technology - Everything you always wanted to know about the G4 - March 6, 2000
		In fact, the G4 was designed with the premise that changes to the G3 architecture only be made if they produce multiprocessing or multimedia performance gains on the G4.
		However, the big difference between the G4 and the G3 is the addition of a 128-bit vector execution unit and the necessary on-chip hardware to control it and its new instructions.
		Since most processors are performing a few tasks all the time and other tasks quite rarely, you can get a big performance boost by removing those rarely-used instructions.
	archives.cnn.com /2000/TECH/computing/03/06/mac.g4.idg (1379 words)

	AppleInsider- Apple Plays Dirty As G4 Problems Persist
		With all the controversy surrounding the G4 processor and its rumored delays, we have yet more fuel to add to the fire.
		The image you see above is a side to side comparison of a copper 350MHz IBM G3 processor and a copper 350MHz Motorola G4 prototype, passed along by sources.
		The die is about 2.4 times larger in area on the G4 than the it is on the G3.
	www.appleinsider.com /articles/9906/apple-g4.shtml (543 words)

	Apple - Products - Apple G4 Processor
		Among the G4 key features is a vector permute function capable of rearranging data in the registers — a priceless benefit when converting data from one format to another (often necessary with voice, video and graphics apps, which typically need to save data in a number of different formats).
		Processor priorities are set according to the importance of each task.
		The 500MHz G4 Processor, with Velocity Engine, is an average of 2.20 times as fast as the fastest Pentium III (800MHz) in tests published by Intel to demonstrate Pentium's speed.
	www.asia.apple.com /g4 (787 words)

	Howstuffworks "Is it true that the Mac G4 processor is twice as fast as a Pentium III?"
		It is true that the G4 is faster than the Pentium III on many tasks.
		A vector processor executes the same operation on multiple pieces of data at the same time.
		This sort of processing power is what makes the G4 so fast when working with math-intensive applications like Photoshop that have been coded to take advantage of vector processing.
	computer.howstuffworks.com /question299.htm (464 words)

	JC's: The Motorola [7450] G4+ Processor Core -- Does It Make The Cut?: Intro and the Good Stuff (Site not responding. Last check: 2007-10-07)
		G4+ ups that by including the capability to issue a branch and three other instructions per cycle.
		This may not seem like a lot from the perspective of the x86 folk who are used to 10+ stage processors, but the gap is lessened by the above complex instruction stuff, which has a side effect of increasing the depth that the x86 processors have to be (by adding decode stage[s]).
		Of course, it remains a valid note that a G4+ with 7 stages will likely have lower ipc than a G4+ with 4 stages would have, basically because the penalty on missed branches would be two or three cycles higher.
	www.jc-news.com /parse.cgi?pc/processors/Motorola/G4_plus/start (1140 words)

	MacKiDo/Hardware/G4
		There is a version of the processor (G4) that uses a 128 bit mpx bus (called Maxbus), that is not being used.
		There were some rumors of a processor (G4) with multiple cores -- but that was a while ago.
		The individual G4 processor is certainly in the supercomputer range (for a single processor) -- but a single processing desktop machine isn't truly as fast as a brand new super computer, even if it is as fast as a super computer was just a few short years ago.
	www.mackido.com /Hardware/G4.html (1558 words)

	New G4 chip hits 1 GHz; Apple plans uncertain \| CNET News.com (Site not responding. Last check: 2007-10-07)
		With the upcoming "Apollo" processor, Motorola's G4 processor family will be able to join the 1-GHz club, David Bearden, senior member of the technical staff at Motorola's Somerset Design Center, told an audience at the Microprocessor Forum taking place this week in San Jose, Calif.
		The new processor could prove to be a boon for Apple, the only major PC maker to use G4 chips.
		The vast majority of G4 processors are used in networking equipment, Motorola executives have said.
	news.com.com /2100-1040-246841.html (832 words)

	New G4 roadmaps promise Apple harvest \| The Register
		By this time next year three as yet unannounced versions of the G4 will dramatically boost internal bandwidth, support switched fabric interconnects, and will see the processor talk to memory at full bus speed, according to disclosures from Motorola sources.
		This shouldn't detain us for too long but a crude summary is that a deep pipeline allows the processor to second guess the subsequent instructions, at the cost of clearing the pipeline when it gets the wrong answer.
		If a processor has a higher clock frequency, it can clear the pipeline quicker when a mis-prediction is flagged.
	www.theregister.co.uk /content/3/24018.html (746 words)

	Apple - iBook G4 (Site not responding. Last check: 2007-10-07)
		The iBook G4 even comes complete with the entire suite of Apple’s iLife ’05 applications, so you can edit movies, assemble and order a customized photo book, record your own songs and more — right out of the box.
		The iBook G4 is thin, too — a svelte 1.35 inches, to be exact — making this impressive notebook small enough to fit in a backpack and light enough to carry around all day.
		And both come powered by an ATI Radeon 9550 graphics processor with 32MB of dedicated video memory and AGP 4x support for dazzling 3D graphics that bring games to life.
	www.apple.com /ibook (1159 words)

	Apple - PowerBook G4 (Site not responding. Last check: 2007-10-07)
		Thanks to the PowerPC G4 processor with Velocity Engine, every PowerBook packs a tremendous punch for doing everything from numerical computations to editing video and designing show-stopping presentations.
		The 15-inch and 17-inch models boast processor speeds of 1.67GHz, and the 12-inch model crunches away at 1.5GHz.
		Every PowerBook G4 supports DVI output, providing the highest video output quality with a pure digital connection all the way from the graphics processor to your DVI-equipped display or projector.
	www.apple.com /powerbook (884 words)

	The G4 Processor: Under the Hood (Site not responding. Last check: 2007-10-07)
		Job's Seybold keynote, as well as Apple's TV commercial campaign is heavy with the term "supercomputer" in describing the G4 processor.
		In theory, the G4 can do over one billion floating point operations per second (a gigaFLOP), which, according to US export policy, puts the G4 in the realm of supercomputers that cannot be exported to certain countries like China or Iran.
		Remember that the same US export policy that calls the G4 a supercomputer tells us that any encryption stronger than 40-bits is a threat to national security.
	www.firingsquad.com /hardware/g4processor/default.asp (492 words)

	PowerLogix Press Releases
		The PowerForce Dual G4 takes full advantage of the symmetric multiprocessing capabilities of Mac OS X, so all applications will benefit from the higher performance provided by the second processor.
		The PowerForce Dual G4 processor upgrade is a single circuit board with two CPUs and 2MB of L3 cache for each CPU.
		The Dual G4 Series 100 Product Notice page has instructions on how to determine if an AGP machine is dual compatible.
	www.powerlogix.com /press/releases/2002/020904.html (847 words)

	Centreforce PC Hardware : Apple PowerMac G4 (Dual 400MHz PowerPC G4 Processor, 128MB RAM, 30GB Hard Drive) (Site not responding. Last check: 2007-10-07)
		The result is unprecedented productivity for creative professionals - in the arts as well as the sciences.Apple designed the Power Mac G4 for creative professionals who use computers as the pivotal tool of their trade, setting the pace of their work, their productivity, even their success.
		The Power Mac G4 is so powerful that its speed is measured in gigaflops, or billions of floating-point operations per second, just like supercomputers.
		Using vector processing, the PowerPC G4 brings supercomputer performance to the desktop for the first time.
	www.centreforce.com /cgi-bin/amazon/amazon_products_feed.cgi?Operation=ItemLookup&ItemId=B00006FMXG&max_results=50&locale=us (420 words)

	Sonnet \| Encore/ZIF G4 - Power Mac G3 & G4 Processor Upgrade Card
		Encore/ZIF G4 700 MHz and 1.0 GHz models support from Mac OS 9.2 through 10.4.x in G3 Blue and White and G4 PCI Graphics systems; OS 9.2 is required to perform firmware updates*.
		Encore/ZIF G4 700 MHz and 1.0 GHz upgrades require the installation of a supplied firmware patch; you must boot your computer in Mac OS 9.2 (installed on a local hard drive) in order to run the firmware updater application.
		When you upgrade with a G4, even greater performance improvements are possible with AltiVec™-enhanced applications running under Mac OS 9 or later.
	www.sonnettech.com /product/encore.html (535 words)

	G4 daughterboard upgrade versus new Dual G4 option
		If you have a 350MHz or 400MHz G4 Sawtooth, this is a tempting upgrade.
		Now, if you subtract the selling price of your G4/400, your NET cost is $1200 for the Dual G4/450 and $1500 for the Dual G4/500.
		But the Dual G4 will cost me twice as much as the G4/500 upgrade for the 26% average gain in Photoshop speed.
	www.barefeats.com /hotrod1.htm (765 words)

	Apple - G4 Processor
		The PowerPC G4, architected by Apple, Motorola and IBM, is the first microprocessor that can deliver a sustained performance of over one gigaflop — and in fact, has a theoretical peak performance of 5.3 gigaflops.
		In addition, the PowerPC G4 can perform four (in some cases eight) 32-bit floating-point calculations in a single cycle — two to four times faster than traditional processors.
		These vector processing acceleration advantages give the G4 microprocessor a significant edge when it comes to fast visualization of large data sets, and intensive math for real-time simulations.
	www.randomize.com /finalcutpro/apple-g4.html (729 words)

	Applelinks - The MACINTOSH Portal!
		They both use the Motorola 7410 G4 chip (possibly the same one that was used in the rare 500 MHz version of the G4 Cube), and both sell for a relatively modest $299.00.
		However, installing this G4 upgrade will not bring the Pismo any closer to supporting the Quartz Extreme graphics subsystem that is coming in OS X Jaguar, and the video system in PowerBooks is not upgradable.
		That G4 chip, even the lower-powered 7410 version, is presumably going to run a lot hotter then the copper G3 chip it replaces.
	www.applelinks.com /articles/2002/06/20020617130113.shtml (1580 words)

	Motorola Mediacenter - Press Releases (Site not responding. Last check: 2007-10-07)
		Delivering a high level of performance in combination with very efficient power consumption across virtually all speeds, these innovative processors provide networking and computing product OEMs with a best-in-class solution for a wide range of host processor applications—including high performance network infrastructure and telecommunications equipment, computing products and embedded systems.
		One significant adopter of the MPC7445 is Ericsson, a leading supplier of wireless infrastructure equipment, who has chosen the product for a part of their GPRS backbone system.
		Designed to be pin-compatible with Motorola’s MPC7451/MPC7450 in a 484-pin CBGA package, the MPC7455 reaches speeds of 1 GHz with a core voltage of 1.6V and includes 256KB of on-chip L2 cache with support of up to 2MB of backside L3 cache.
	www.motorola.com /mediacenter/news/detail/0,1958,1035_747_23,00.html (1046 words)

	Apple - Power Mac G5 (Site not responding. Last check: 2007-10-07)
		Power one up today and blaze through your work, deliver ahead of schedule, and astound your clients — because this baby really moves.
		With two dual-core processors, at speeds up to 2.5GHz per core, the Power Mac G5 Quad doubles the punch of its dual-processor predecessor.
		Mac OS X makes the most of multicore systems, since it was designed from day one for multiple processors.
	www.apple.com /powermac (661 words)

	MacNN \| FastMac offers G4 processor upgrade for G3 iMacs
		FastMac today released a G4 processor upgrade for the Apple's Slot-Loading iMac G3 computer.
		The FastMac upgrade replaces the original G3 CPU with a G4 CPU operating at 550MHz and doubles the backside cache from 512K to 1MB, resulting in a 3 to 4 times boost in speed & performance, according to the company.
		Market the upgraded G4 iMacs as an "iPod docking station" for those who don't have a PC new enough (either Windows or Mac) to run iTunes.
	www.macnn.com /articles/05/03/22/cpu.upgrade.for.imac.g3 (609 words)

	Final Cut Pro 4.0 Shootout
		The slowest G5 Power Mac (1.6GHz) was 26% faster than the only G4 Power Mac currently being sold in Apple stores (G4/1.25GHz) -- although you can special order the G4 Power Mac with dual processors, which, would actually run FCP 16% faster than the single cpu G5/1.6.
		Using the CHUD tools' System Preference Hardware tile, we turned off the second processor on the fastest G5 and G4 Power Macs.
		If you are considering a fast G4 upgrade kit for your G3 or slow G4 based system, you should consider the Dual G4 kits by PowerLogix and Digidesign.
	www.barefeats.com /fcp4.html (983 words)

	home (Site not responding. Last check: 2007-10-07)
		Processor 700 MHz G3/G4/G5 Memory 256 MB RAM.
		Processor 800 GHz G4/G5 Memory 256 MB RAM.
		Processor 1 GHz G4/G5 Memory 512 MB RAM.
	www.macstop.co.uk /fulllist.htm (1458 words)

	The PowerBook Zone--Your Mobile Technology News Source
		As expected, the clockspeeds for the new 'Books is unchanged, topping out at a 1.67GHz G4, but one interesting thing to note is that Apple is claiming up to an extra hour of battery life with the new 15" and 17" PowerBooks.
		One of the rumors going around about the forthcoming PowerBook update is that the processor used will be changed from the 7447A to the 7448, both of which would be marketed as the G4 processor by Apple.
		Beyond the display improvements, DDR2 memory and a modest upgrade from the 7447A G4 to the 7448 G4 processor are expected to roudn out the performance increases.
	www.pbzone.com (3059 words)

	Neowin.net -> Mac G4 Processor Comparison (Site not responding. Last check: 2007-10-07)
		You also have to remember that the code running through the processor of a G4 is completely different that that running through your average P4/Athlon.
		But 800MHz G4 is going to feel slow for ya at 1 point or another.
		I have a 800MHz g4 ibook, I can watch 2 xvid j-drama in quicktime at the same time while listening to mp3 in itunes, that pretty much pushes the limit of the ibook800g4, if u want anymore, get a Powerbook.
	www.neowin.net /forum/index.php?showtopic=195803 (769 words)

	FastMac.com - Processor Upgrades for PowerBook G3 (Pismo)
		FastMac's G4 processor upgrade can once again release you from your deskbound existence by giving your PowerBook more power, more speed...more life.
		All you have to do is send in your old processor board in working condition and we'll do the rest, installing a new processor and new, faster backside cache.
		On some operations you'll see speeds double, even triple that of your original processor.
	www.fastmac.com /products/processors/pismo.php (212 words)

	WallStreet and Pismo Processor Upgrades: Do They Make Economic Sense?
		I've expressed skepticism about the economics of processor upgrades in this space in the past, but I will make at least one notable exception in the case of the G3 PowerBooks, which are superb machines that deserve to have their useful life span extended.
		In this case, all you have to do is send in your old working processor board to FastMac, and they'll do the rest, installing a new processor and new, faster backside cache.
		If your current processor card is experiencing cache issues, the G3 900 MHz may solve your problems, as the original cache circuit on the CPU card is no longer used with the 750FX CPU; instead, the on-chip L2 is used.
	lowendmac.com /misc/04/0223.html (3481 words)

	Freescale To Launch Smaller, Faster G4 Processor \|\| The Mac Observer
		According to the article, the processor will be the first 90 NN G4 processor, making it smaller and cooler than the current generation G4 processors that power Apple's PowerBooks, iBooks, and eMacs.
		The processors are also expected to be faster, coming in faster than 1.5 GHz.
		The new chip is Freescale's first 90nm G4 and is based on the company's e600 core, the foundation for Freescale's upcoming line of dual-core chips.
	www.macobserver.com /article/2004/09/28.17.shtml (1010 words)

	FastMac.com - Processor Upgrades for PowerMac G4
		Utilizing genuine Motorola processors and exclusive FastMac advances in board technology, the FastMac G4 upgrade delivers the fastest real world computing speed MHz for MHz available today.
		It only takes a few minutes to replace the processor in your AGP PowerMac (see list of compatible computers) with the new FastMac upgrade.
		And in no time, your machine will once again be transformed into a tower of power.
	www.fastmac.com /products/processors/agp.php (233 words)

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