What are the main parameters of the host computer?

2021/08/31

The performance of hardware equipment is a key factor in determining the quality of a computer. Buying a computer mainly depends on the performance parameters of hardware such as CPU, graphics card, motherboard, memory, hard disk, etc. The quality of the computer configuration also depends on these hardware performance parameters.

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The performance of hardware equipment is a key factor in determining the quality of a computer. Buying a computer mainly depends on the performance parameters of hardware such as CPU, graphics card, motherboard, memory, hard disk, etc. The quality of the computer configuration also depends on these hardware performance parameters.


  1. CPU: This mainly depends on the frequency and the second-level cache. The higher the frequency, the larger the second-level cache and the faster the speed. The current CPU has three-level cache, four-level cache, etc., which all affect the corresponding speed.


2. Memory: The access speed of the memory depends on the interface, the number of particles and the storage size (including the interface of the memory, such as: SDRAM133, DDR333, DDR2-533, DDR2-800, DDR3-1333). Generally speaking, the more memory Larger, the stronger the ability to process data, the faster the speed.


3. Motherboard: mainly processing chips, such as: notebook i965 has more processing power than i945 chip, i945 is more capable of processing data than i910 chip, and so on.


4. Hard disk: In daily use, hard disks are less considered, but there are some influences. First, the speed of the hard disk (divided into: high-speed hard disk and low-speed hard disk, high-speed hard disk is generally used in large servers, such as: 10,000 rpm , 15000 rpm; low-speed hard drives are used in general computers, including notebook computers), desktop computers generally use 7200 rpm, and notebook computers generally use 5400 rpm. This is mainly due to power consumption and heat dissipation. The speed of the hard disk is different due to different interfaces. Generally speaking, it is divided into IDE and SATA (also known as serial port) interfaces. Earlier hard disks are mostly IDE interfaces. In contrast, the access speed is higher than that of SATA interfaces. Slower. With the development of the market, the hard disk cache has increased from 2M to 8M, and now it is 16M or 32M or larger. Just like the CPU, the larger the cache, the faster the speed.


5. Graphics card: This is directly related to the response speed of running super program software, such as running CAD2007, 3DStudio, 3DMAX and other graphics software. In addition to the distinction in hardware level, graphics cards also have "shared video memory" technology, which is different from the general built-in video memory chips, that is, the "shared video memory" technology needs to read the video memory from the memory to deal with the needs of the corresponding program. Or some people call it: dynamic video memory. This technology is more used in notebook computers.


6. Power supply: As long as the power is sufficient and the stability is good, a stable power supply is very important.


7. Display: The interface between the display and the motherboard also has an impact, but people generally don't care too much.


When buying a desktop computer, the most important thing is some of the parameters mentioned above.

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