Many players in the purchase of graphics are holding a kind of 'your card is definitely good' attitude, although the truth is true, but many times will become, spent a lot of money, but their actual use simply can not do so Multi-performance.
And often the student party who understand the graphics card is still stuck in the memory and the frequency of these two points, really want him to compare the Nvidia GTX 1070 and GTX 1060 3G difference, but can not tell the difference.
So this time for the students who want to change the graphics card at the beginning of the school, but don't know much about the graphics card, they will carry out a detailed popular science. Let you know in detail what the various parameters of the video card are. When selecting a graphics card in the future, there will be more help.
To give everyone a look at the various parameters of the graphics card, first of all recommend it to everyone a very easy to use software, GPU-Z is one of the software launched by TechpowerUP, some players familiar with DIY will certainly not be unfamiliar with it, this software It is also used by most graphics enthusiasts and gamers, so we will use GPU-Z for detailed analysis.
What exactly does GPU-Z see?
GPU-Z is an absolutely necessary tool for absolute video card enthusiasts. It can easily help you to see all video card parameters. It can even help you to see some voltage and video card temperature monitoring data.
Let's take a look at what these parameters display on the GPU-Z. First, let's take a look at the overall display interface.
This we need to look at the next two parts. The first part mainly includes the production information of the chip, including: GPU model, complete name of the video card, revision number, number of transistors, chip size, and nano-scale process used.
It also includes information such as BIOS version, production device ID and manufacturer sub-manufacturer. These games are basically for professionals interested in GPU can pay more attention, for ordinary game players, only recognize the chip model and manufacturing process can be Now.
The second half of GPU-Z is the most important information, most of which are about the main indicators of the card, including: number of stream processors, texture units, raster units, memory capacity, memory type, memory bandwidth, etc. Which also recorded the video card core frequency and memory frequency.
At this time, many people should begin to complain. What are the reasons for this? With so many parameters and still noisy, Xiao Bai said that she completely failed to understand. Therefore, the author then led the readers to analyze in detail all these major parameters. What effect?
Two 'cores' that affect graphics performance
For the player, buying a graphics card is for performance, so the level of performance directly affects the player's experience. However, most players choose video memory to identify the card. This method can not be said to be wrong.
However, it is easy to mislead the player. For example, if the structure and frequency change, then it is easy to make errors if judged from the memory alone.
The real key to graphics performance is the number of streaming processors and core frequency, but these two points are often overlooked or unknown by players.
The number of stream processors in the same level of architecture can be said to directly affect performance. Because more stream processors mean higher processing power, the stream processor's revenue is also increased every minute. It is easily overlooked by most people.
It is also worth noting that the number of stream processors can only be used to judge the performance within the same GPU architecture. For different architectures, it is not possible to directly judge the performance through the number of stream processors. That is why it is not recommended to take N cards. A card directly compares the number of stream processors to determine the performance.
The other key factor in the performance of the graphics card is the core frequency. It can represent the operating frequency of the graphics card. Generally, it can be understood that the higher the frequency, the higher the performance.
So players often choose overclocking to improve performance, and it is one of the few ways that players can use their own means to pull high performance. After all, the frequency is 'live', but the graphics specification is 'dead'.
If you say so much is not very clear, then it can be summed up in one sentence: In the same situation with the architecture and stream processors, the higher the core frequency, the stronger the performance of the graphics card.
The number of stream processors also has a certain impact on the frequency of the core graphics card. For example: The greater the number of stream processors, the greater the space for overclocking and the smaller the number of stream processors, and the lower the core frequency of the graphics card. It is low and power consumption is also reduced.
Memory type can also affect performance?
As mentioned above, many small white players are most concerned about video memory when choosing a video card. Of course, this is also related to the promotion of this part by merchants. It does not mean that video memory is not important.
On the contrary, video memory is very important for the performance impact of graphics cards, but video memory also has many indicators, such as: type, capacity, bandwidth, bit width, rate, etc. These indicators all have more or less relationship.
Here we have to make it clear: Video memory is for the graphics card service, its role is to temporarily store the data of the GPU core operation, which means that the memory and the GPU need to exchange data frequently, so the video memory has the performance of the graphics card. Crucial role.
Then the author said that the first factor that determines the memory performance is the memory type. The most popular memory type is GDDR5, and the GDDR5X memory that NVIDIA used after the release of GTX 1080, and the more advanced R9 Fury. HBM memory on X and HBM2 memory on Vega and Volta.
The GDDR5 memory has a limit rate of 9Gbps and a single-capacity capacity of up to 2GB. The GDDR5X can currently reach 11Gbps, but the theoretical limit can reach 16Gbps. According to the protocol, the maximum single-piece capacity is also 2GB.
The limit rate of HBM memory is 1Gbps, and the single capacity is 1GB. The 2nd generation HBM can reach 2Gbps, and the capacity can be up to a single 8GB.
Finally, just as before, one sentence sums up: Memory does have an effect on graphics performance, but you also have to look specifically at the type of video memory and other aspects. If white players are still unclear about the previous length, then remember this sentence. It's completely sufficient.
If you want to learn more about this, then remember that the memory type determines the bit width of the video memory, and the memory bandwidth is determined directly by the memory bit width and the memory speed.
