@NutsAboutAmiga

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PowerPC G5, is the consumer version of big brother Power CPU family,What they do is take normal Power CPU remove some cores and call it a PowerPC cpu.

Affixing PC on the end makes it sound more than it is. Infact, given tdays consumer market they should leave the cores on or add more if they are going to attach the elusive PC letters to it.

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Power was deigned for speed not heat, and 64bit G5 has most likely a lot more transistors then the 32bit G4, that also makes a lot hotter, also remember the G5 is hybrid it includes 32bit and 64bit instruction set.

I wasn't sure Power was designed for speed since Intel and AMD seemed to top it years ago. It also could be said that x86 is a hybrid CPU, combining both a 16-bit and 32-bit instruction set with a 64-bit one.

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lower CORE voltage helps, MPC7557 run on less power then my old G4 933Mhz cpu.so a newer type of G5 can be more energy efficient then old G5 for example.

Okay, yes, good point. Slower also, but cooler.

@Hans

Moved to correct forum.

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by Hans on 26-Jun-2008 12:57:16 @Hammer Quote: The focus is on mobile and stream co-processor arrays e.g. GpGPU. No, GpGPU is just your favourite buzz-word. There are a lots of developments in the computing world, and GPUs is just one of them. Your statement on mobile operation is correct though. However, even the server market is getting power conscious, and we're going to be seeing more efficient hardware and software for servers with lower power requirements. IBM used water-cooling instead of air-conditioning for their latest super-computer (which has a mix of Power and Xeon CPUs IIRC), dropping power requirements…

Apple switched from PowerPC processors due to IBM and Freescale not providing them with what they wanted—a mobility version of their CPUs. OpenCL has nothing to do directly with the architecture but is a framework for parallel computing on hardware like GPUs, which can also be considered in mobile devices where efficiency matters as much as performance does. Hans suggests that while it's humorous and impractical considering cost constraints, using blade servers could theoretically enable someone interested in rendering farms to achieve high-performance computing with a more compact setup than traditional desktop configurations allow.

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by Hammer on 27-Jun-2008 22:02:46 @Hans Quote: Hmm. A blade's dimensions are 245.2x445.8x29.0mm so jamming that into a laptop case might work, but it wouldn't be particularly compact. A 17-19" wide-screen laptop maybe. Possibly this could be slimmed down, depending on how the components are packed inside. Note that my current laptop gives the impression of being thin by putting it on thick rubber pads, and having a thicker section underneath where you're not likely to notice. The MXM-III spec (as used in 17"and 19" laptops) has of 35watts. Mobile "Fat" GPUs like Geforce 8800M runs under this limit. The command CPU has ~35watt TDP for itself.…

The laptop case can accommodate a blade with dimensions of 245.2x445.8x29.0mm, but it may not be very compact if fitted into an average-sized laptop like the MXM-II specification laptops (15.4" screens). The GPU and CPU within such a setup would exceed their power limits as per Mobile SLI mode with dual MXM-III specifications which allows for 70 watts, while PS3 CELL alone surpasses this limit significantly.