如何辨别cpu好坏（How to identify the quality of CPU）.docVIP

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如何辨别cpu好坏（How to identify the quality of CPU）.doc

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如何辨别cpu好坏（How to identify the quality of CPU）

如何辨别cpu好坏（How to identify the quality of CPU） How to identify the quality of CPU Source: Shen Peng. 1 frequency Frequency or clock frequency, the unit is MHz, used to express the computing speed of CPU. CPU = FSB frequency multiplication factor X. Many people think that the frequency determines the speed of the CPU, this is not only a one-sided, but also for the server, this understanding is deviation. So far, there is not a definite formula can realize the numerical relationship between the frequency and the actual speed of the two, even two processor manufacturers Intel and AMD, at this point there is considerable controversy, we from the development trend of Intel products, it can be seen that Intel attaches great importance to strengthen the development of its own frequency. Like the other processor manufacturers, who have a fast 1G Transmeta do more, its efficiency is equivalent to 2G Intel processor. So, the frequency and CPU CPU actual operation ability is not directly related to the frequency of said digital pulse signal in shock speed in CPU. In the Intel processor, we can also see such examples: 1 GHz Itanium chip can behave almost as fast as the 2.66 GHz Xeon/Opteron, or 1.5 GHz Itanium 2 GHz Xeon/Opteron 4 with about as fast as. The computing speed of CPU depends on the performance of all aspects of the CPU pipeline. Of course, the frequency and the actual operation speed is concerned, can only say that the frequency is only one aspect of the performance of CPU, the overall performance and not on behalf of CPU. 2. FSB The FSB is the reference frequency of CPU, the unit is MHz. CPU frequency determines the operating speed of the mainboard. Anyway, on the desktop, what we say is overclocking, super CPU FSB (of course, in general, CPU multiplier is locked) believe that this is a very good understanding. But for the server CPU, overclocking is absolutely not allowed. Speaking in front of CPU determines the operating speed of the main board, two synchronous o