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For those who want to build a computer on their own, choosing a CPU is often most important step. For different purposes, you should choose CPU flexibly to get a satisfactory price-performance ratio. Most of computers used by individuals have excess capacity, partly due to inappropriate purchases, resulting in overuse. So for processor, choice is more reasonable, and this is most worrying thing for everyone who buys a computer. This article presents some CPU selection methods for 5 different types of main targets, in the hope of helping everyone.

1. Daily office work: if it is only used for processing some documents, excel spreadsheets, sending and receiving e-mail, etc., it is enough to choose an entry-level CPU. This type of computer has relatively low overall configuration requirements and there is no need to consider budget for a discrete graphics card as it is sufficient to use main graphics card directly. Therefore, when buying, do not choose processors with suffixes P and F. One blocks main display, and other directly cuts off main display. None of them work properly. You must add an independent graphics card to increase your budget. For this application, i3 processors of third generation and above can easily handle. It is recommended that budget for entire machine be within 1500, and save as much as possible.

2. Browsing web, shopping online and watching high-definition videos. Home computers are mainly used for online shopping, watching videos and downloading materials. The processor of this type of computer is still mostly entry level, you can choose 4th generation or higher i3 processor, most of them can be used to watch high definition video or even ultra high definition (4K) video. Applications in this area do not require a lot of CPU, but should be equipped with a better monitor to get best resolution.

3. Image processing, special effects development, scientific computing: This type of computer has relatively high requirements for overall computer configuration, so you can't choose an entry-level CPU, at least start with mid-range and high-end. If you do light work like image and video editing, you might want to opt for an i5 level processor; if you often do complex work such as special effects development, rendering, and high-precision floating point operations, it is recommended that you choose a 6th generation or higher i7 processor. Thanks to multi-threading, these complex tasks can be solved. In addition, use of a nuclear display is somewhat insufficient when presenting 3D images and special effects, and a discrete graphics card must still be used.

4. Game console. With rise in popularity of large-scale games, requirements for processor are also increasing. If you're just playing regular games, such as some offline games that don't require high image quality, an i5-level processor is enough. For large-scale games, most of them require processors with 4 cores. Although i5 processors also have more than 4 cores, game update rate is very fast. It is recommended to choose an i7 processor, which allows you to play more new games. For local tyrants, everything is floating in clouds, so let's not talk nonsense, just go to i9 9900K. In addition, image quality of game is highly dependent on graphics card, so a high-end gaming graphics card is required to reproduce power of a game console.

5. Big Data Analysis and Modeling Workstation: The application in this area is clearly beyond use of ordinary people. All CPUs mentioned above are civilian grade and suitable for personal use. However, some engineering simulations, financial analysis, weather forecasting, and other time-consuming applications use server-type processors, primarily Intel Xeon processors. This type of CPU is characterized by a large number of cores and threads, and its performance is very stable and no errors are allowed. Why don't our personal computer processors use this type? Server-type processors are not suitable for frequent on and off, poor gaming experience, and weak single-threading. Although some people use it as a desktop-level processor, it depends on individual skill of server-type processors.

Conclusion: choose an i3 processor for simple office work; choose i3 or i5 to surf internet and watch HD video; choose i5 or i7 for professional training and video production, depending on the amount of computing; choose i7 or i9 to play big games, create servers or work. The platform chooses server-type multi-core multi-threaded CPU.