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The Cyrix 6x86 processor is a high-performance, sixth-generation CPU that is P54C socket-compatible. It incorporates a 64-bit external data bus (5x86 use a 32-bit external data bus) and a variety of innovative architectural features that enable it to outperform higher-megahertz Pentium processors to achieve best-in-class performance. Additional design information can be found in the 6x86 Processor Brief.
MicroDesign Resources (MDR) Labs conducted independent performance testing of the 6x86 processor. Commenting on the P-rating methodology, Michael Slater, president of MicroDesign Resources and publisher of the Microprocessor Report, said, "This is the first comprehensive and credible method for comparing competing processors based on the relative performance they bring PC users under real-world conditions. It standardizes test system configurations based on commercially available components, and it uses the most widely recognized and utilized application-based benchmark tests. I expect the new P-rating methodology to achieve broad industry acceptance."