These processors also sport an AltiVec unit, which greatly increases performance on applications optimized to use it.Ī transition to 64-bits allows Apple to use a PPC-optimized Mach-O ABI for 64-bit applictaions, which will greatly increase application performance over the current 32-bit ABI which has been partially blamed for OS X’s performance issues. Of course, this is only raw integer and floating performance. SPEC is one of the most trusted names in benchmarking. A 1.8GHz PPC970 has comparable SPEC scores to a Pentium 4 3.06GHz. What matters is how it compares to today’s processors. Like how much faster IBM PowerPC processors are compared to an IA-64 … Many new myths will have been invented by Apple fans. This is the first 64-bit system based upon a HyperTransport architecture being released to consumers. Until the next overhaul comes to the Apple hardware to keep up with the PC architecture improvementsĬlawhammer-based Athlons aren’t even out yet. This is a full 64-bit workstation supporting the HyperTransport architecture, which will provide incredible degrees of SMP scalability, probably up to at least 8 processors. The only comperable architecture will be provided by the Clawhammer core Athlon XP systems. …and will go on costing twice as much compared to a PC with comparable hardware features.
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