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'''[[name::Processor Performance Rating]]''' ('''[[name::PR]]''' or '''[[name::P-Rating]]'''), often mistaken for "Pentium Rating", was a rating system that allowed various [[x86]] manufacturers to gauge the performance level of their [[microprocessor]]s against equivalent {{intel|Pentium (1992)|Pentium}}-level performance. PR specifications were finalized on January 25 and were introduced on [[first announced::February 5, 1996]] in a collaborated effort by [[designer::AMD| ]][[AMD]], [[designer::IBM| ]][[IBM]], [[designer::SGS-Thomson| ]][[SGS-Thomson]], and [[designer::Cyrix| ]][[Cyrix]] to provide a way to report processor performance. | '''[[name::Processor Performance Rating]]''' ('''[[name::PR]]''' or '''[[name::P-Rating]]'''), often mistaken for "Pentium Rating", was a rating system that allowed various [[x86]] manufacturers to gauge the performance level of their [[microprocessor]]s against equivalent {{intel|Pentium (1992)|Pentium}}-level performance. PR specifications were finalized on January 25 and were introduced on [[first announced::February 5, 1996]] in a collaborated effort by [[designer::AMD| ]][[AMD]], [[designer::IBM| ]][[IBM]], [[designer::SGS-Thomson| ]][[SGS-Thomson]], and [[designer::Cyrix| ]][[Cyrix]] to provide a way to report processor performance. | ||
− | With the introduction of {{amd|K6}} in [[1997]], AMD extended this rating system by introducing '''PR2''', comparing models against [[Intel]]'s {{intel|Pentium II}} models. However, the rating system was quickly dropped when K6 processors exceeded PII performance clock-for-clock | + | With the introduction of {{amd|K6}} in [[1997]], AMD extended this rating system by introducing '''PR2''', comparing models against [[Intel]]'s {{intel|Pentium II}} models. However, the rating system was quickly dropped when K6 processors exceeded PII performance clock-for-clock. |
== Measuring P-Rating == | == Measuring P-Rating == | ||
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== Software == | == Software == | ||
* [https://archive.org/details/PCMagBenchmark Ziff-Davis PC Benchmarks CD-ROM (PC Magazine Labs)]; Ziff-Davis Publishing Group PC Benchmarks CD-ROM, including Winstone 96 and Winbench 96 benchmarks. From PC Magazine Labs, including CPUmark32 and full-motion video tests. October, 1995. | * [https://archive.org/details/PCMagBenchmark Ziff-Davis PC Benchmarks CD-ROM (PC Magazine Labs)]; Ziff-Davis Publishing Group PC Benchmarks CD-ROM, including Winstone 96 and Winbench 96 benchmarks. From PC Magazine Labs, including CPUmark32 and full-motion video tests. October, 1995. | ||
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