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Processor Tutorial
INTERNAL COMPONENTS OF A PROCESSOR
DIFF. ARCHITECTURES
CLOCK FREQUENCY
PROCESSOR PERFORMANCE MEASUREMENT
MODERN ARCHITECTURE IMPROVEMENTS
IMPORTANT TERMS
HOW INSTRUCTIONS ARE FORMED?
MEMORY
 

 

 

Measuring Performance

To measure the performance of the processor clock speed can not be the sole criteria. But yes with in the same family of microprocessors (i.e. with same internal architecture) we can compare clock speeds to check which is faster. As A 1.2 GHz Tualatin-core Pentium III, for example, is roughly 20% faster than a 1.0 GHz Tualatin-core Pentium III. But an AMD Athlon XP 3000+, which actually runs at 2.167 GHz, may be faster than an Intel Pentium 4 running at 3.06 GHz, depending on the application. The comparison is complicated because different CPUs have different strengths and weaknesses. For example, the Athlon is generally faster than the Pentium 4 clock for clock on both integer and floating-point but the Pentium 4 has an extended instruction set that may allow it to run optimized software literally twice as fast as the Athlon. 

 

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