Video card classification Video cards are divided into two categories: independent video cards and integrated video cards. Independent graphics cards, such as game graphics cards, with a separate display core and video memory, powerful but high power consumption, suitable for professional graphics or video rendering users; The integrated graphics card is integrated in the CPU, low power consumption, low performance, suitable for daily office and general gaming needs, but can not be upgraded.
GTX: indicates a series name of Nvidia, the full name is GeForce GTX, GTX positioning high-end graphics card series, ranking from lowTo high is GS/GT/GTX/RTX. 10: indicates that it is the 10th generation graphics card, and the larger the number, the better, similar to the CPU. 80: Indicates the level of performance, this number is very important! Usually 1-4 is positioned as the low end of the same department, 5-6 as the middle end, 789 as the high end.
The specific parameters of the graphics card are generally display chip (chip code), video memory capacity, video memory type, video memory bit width, video memory package, core frequency (boost frequency), video memory frequency, stream processing unit (stream processor). Display chip: The display chip is the core chip of the graphics card, and it is of the natureIt directly determines the performance of the graphics card, and its main task is to process the video information input by the system and construct and render it.
Of course, the frequency of video memory depends on the parameters of the video memory particle, such as the maximum frequency of 0.4ns video memory =1/0.4 nanosecond =2500000000Hz=2500MHz, of course, if it is GDDR5 video memory particle, the equivalent speed should be multiplied by 2, that is, the equivalent 5000MHz.
1, set display (Integrated graphics card) : low power consumption, low price, but general performance, suitable for office, light entertainment, will soon be eliminated; Core display (core graphics card) : good performance, low power consumption, generally used for thin notebook; Independent display (independent graphics card) : high performance, high price, high power consumption, easy to upgrade and replace, suitable for large games, professional editing, modeling, etc.
2, You know what? The Intel HD Graphics 4000 is the core graphics card, while the NVIDIA GT 630M is the standalone graphics card. Independent graphics card is like an independent soldier, need to fight alongside the motherboard; whileThe core graphics card is closely linked to the CPU. If your computer doesn't run smoothly, don't blame the graphics card! It could be the hard drive! The Intel HD Graphics 4000 is a core graphics card that is closely connected to the CPU.
3, the graphics card usually has a small memory chip to store the control program between the display chip and the driver, and also stores the model, specifications, manufacturer, factory and other information of the graphics card. The BIOS of the graphics card is directly related to the overclocking of the graphics card. The bus interface graphics card must be plugged inThe main board can exchange data with the main board, so there must be a corresponding bus interface. Now the most mainstream bus interface is the AGP interface.
4, video card knowledge literacy you do not know the video memory particles knowledge Video memory particles are the physical storage components of video memory. The type of memory particle (GDDR5), single chip capacity (MB), single bit width (bit), and theoretical memory frequency (MHz) directly affect the performance of the graphics card.
The CPU is the largest of the computerThe brain, and the graphics card is the artist of the picture. The performance of the graphics card directly affects the fluency and clarity of the picture. This article will delve into the core data and performance of graphics cards to help users better understand the importance of graphics cards. The graphics card is the artist of the computer picture, and its performance directly affects the fluency and clarity of the picture. High-performance graphics cards can continue to show more beautiful pictures, so that the user's visual experience is better.
The first step is to enter the CPU into the display card, and the last step is to send data directly from the display card to the display. [Basic structure] 1) The full name of GPU is Graphic Processing Unit, the Chinese translation is graphics processor. The concept was first proposed by NVIDIA when it released the GeForce 256 graphics processing chip. The GPU makes the graphics card less dependent on the CPU and does some of the work of the original CPU, especially in 3D graphics processing.
Independent graphics card refers to the display chip, video memory and related circuits are independently done on a circuit board, and exist as an independent board, which needs to occupy the expansion slot of the motherboard. The main advantage of a standalone graphics card is that it comes with a standaloneVideo memory capacity, video memory type, video memory bit width, video memory package, core frequency (boost frequency), video memory frequency, stream processing unit (stream processor). Display chip: Display chip is the core chip of the graphics card, its performance directly determines the performance of the graphics card, its main task is to process the video information input by the system and build it, rendering and other work.
2, taking the computer as an example, the main performance parameters of the graphics card are the core frequency, video memory frequency, display memory, video memory width and stream processor unit. Core frequency refers to the operating frequency of the display core, and its operating frequency is certainThe degree can reflect the performance of the display core, in the case of the same display core, the high core frequency represents the strong performance of the graphics card.
3, video memory bit width is the number of bits of data that video memory can transmit in a clock cycle, the larger the number of bits, the greater the amount of data that can be transmitted instantly, which is one of the important parameters of video memory. At present, there are 128 bits of video memory width on the market, 256 bits, 512 bits of three, people are used to call 64 bits of video card, 128 bits of video card and 256 bits of video card refers to its corresponding video memory width.
4, the graphics card has five main parameters that have a greater impact on performance: displayMemory width: video memory bit width refers to the number of bits of data that video memory can transmit in a cycle, and the larger the number of bits, the larger the amount of data transmitted in a short period of time, so video memory is one of the important parameters of video card. The video memory bit width is 64 bits, 128 bits, 256 bits and 512 bits. The higher the width of the video memory, the better the performance of the video card.
1, the video memory bit width here refers to the bit width of the interface between the video memory particles and the outside for data exchange, referring to aThe number of bits that can be transmitted within the clock cycle, from the above calculation formula, it can be known that the video memory bit width is an important factor in determining the video memory bandwidth, and is closely related to the performance of the video card. We often say that a graphics card is 64MB128bit specification, of which 128bit means that the graphics card's video memory is wide.
2, the current mainstream graphics card for GDR5 graphics memory, and the previous generation of graphics card for GDR3 type, GDR3 graphics card in performance has been far behind the mainstream GDR5 graphics card.
3, video card performance parametersThe performance parameters of a video card are an important standard to measure the quality of a video card, the following introduces several common performance parameters: video memory capacity: the larger the capacity of the video, the more images, video and other data can be processed. Video memory bit width: The larger the video memory bit width, the higher the video memory bandwidth, the faster the video memory read speed.
4, to a large extent, the performance of the graphics card determines the performance of the system in games and entertainment. This article will introduce the basic knowledge related to graphics cards, including graphics processor (GPU), video memory, and the basic components of graphics cards such as graphics card interface, output type, heat dissipation scheme, etc. Graphics processorThe GPU is the core component of the graphics card, just like the CPU is the brain of the computer.
1, NVIDIA (Nvidia) : GTX, 80, Ti GTX: It is a series name of Nvidia, the full name is GeForce GTX, GTX positioning high-end graphics card series, ranking from low to high is GS/GT/GTX/RTX. 10: indicates that it is the 10th generation graphics card, and the larger the number, the better, similar to the CPU. 80: TableThis number is very important for performance. Usually 1-4 is positioned as the low end of the same department, 5-6 as the middle end, 789 as the high end.
2, CUDA core number: CUDA (Compute Unified Device Architecture) is a general parallel computing framework developed by Nvidia, which uses the parallel computing capabilities of Gpus to accelerate computing in scientific computing and deep learning. The more CUDA cores, the stronger the parallel computing capability of the graphics card. Graphics card frequency: Graphics card frequency refers to the clock frequency of the GPU,The unit is usually MHz.
3, the video card is one of the most basic components of the personal computer. The purpose of the graphics card is to convert the display information required by the computer system to drive, and provide line scanning signals to the display, control the correct display of the display, is an important component connecting the display and the PC motherboard, is one of the important equipment for human-computer dialogue.