Compare Processor Performance
The computer processor, or CPU, is the heart of any computer system and the first item that a potential buyer should evaluate when buying a computer. However, comparing processors can be a little confusing for a relative novice. Start by evaluating these important factors when comparing processor performance.
Instructions
1. Research the number of cores that the processor has. By having more than one core, a processor is essentially two or more processors built into one. All other factors being equal, a processor with more cores will have more perform better than one with fewer cores. Single, double, and quad core processors are the most common (as of 2009).
2. Compare the processor's clock speed. This has traditionally been the most common way to compare CPUs. Processors with the higher clock speeds (expressed in Mhz) process at a faster rate.
3. Look at the processor's cache memory capabilities. Cache memory speeds up CPU processing by getting the data from recent operations and giving it to the processor. When comparing processors, the more cache memory, the better.
4. Compare the FSB, or front side bus speed, of the processors. This is an indication of how fast the CPU can transmit data to and from the memory controller. Slow FSB can mean the CPU is waiting for data transfers. The FSBs of processors are expressed in mega transfers per second (MT/s), and once again the higher the rating, the better.
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