Experienced miners know that the efficiency of a graphics adapter in mining depends not only on the model. Gpu manufacturers do not manufacture memory chips, but purchase them from third-party manufacturers. But, how to find out what kind of memory is on the video card, if only its type is indicated in the specification, for example, GDDR5.
This is enough for toys and office work, but not for mining. Memory chips from different manufacturers do not equally withstand the load during overclocking, and the productivity of mining many crypto coins directly depends on the parameter memory clock… We will now tell you how to find out the manufacturer of gpu memory.
You can view the memory type of the video card and get acquainted with its general characteristics in the device manager or in the display settings. You can enter the device manager through the control panel.
The same window can be opened using the “Display Options” option.
Using any of these methods, you can find out the type of GPU, the amount of video memory, and much more, but the vendor of the GDDR chips is still unknown. You can declassify it by installing additional software.
GPU-Z Is an auxiliary computer program designed to display information about the technical characteristics of a graphics card on a computer screen. Once installed on Windows, the user can use this information to optimize performance or diagnose GPU malfunctions.
The program is available for download on the official website https://www.techpowerup.com/download/gpu-z/.
The GPU-Z utility can:
After installation GPU-Z.2.7.0_eng.exe the program window will appear with the “Graphics Card” tab open, where you can see the parameters of the video accelerator. The memory manufacturer is listed in the Memory Type column. In addition, the utility has tabs: “Sensors” and “Validation”. In the upper right corner there are buttons for setting and taking screenshots. The GPU-Z program can switch between the cards of the mining farm, showing information about each device.
Going to the tab “Sensors»You will see the indicators of the sensors:
Tab “Validation»Is intended to obtain a personal identifier. On the menu “General” can choose:
Tab “Setting»Allows you to adjust the number of active sensors. In the window “ASIC Quality»You can compare the performance of your card with other video adapters of this level. GPU-Z is free and works with any version of Windows.
An alternative way to find out the manufacturer of video memory chips.
Information about video memory is available in the Info tab, Mempory Type column.
A little more detail about the suppliers. GDDR chips are produced by 4 companies:
In mining, graphics adapters with memory have proven themselves the best. Samsung… They hold the load well and are the coldest.
Memory devices Hunix give out a decent hash rate, but are less stable and get hotter.
Video accelerators on which memory is installed Micron poorly dispersed and very hot, however, there are exceptions. Especially often on the forums there are complaints about Elpida, although cards with this memory can overtake both Huawei and Samsung in hashrate.
Important! In most cases, you can find out the Mempory Type only by putting the card into your computer; such checks are not carried out in the store. However, the vendor of memory for some models of AMD GPUs is identified by the serial number.
For video cards of these models, manufactured at Sapphire factories, there is a certain pattern between the serial and the type of memory.
AMD Sapphire RX 470 and RX 480 have serial numbers:
AMD
Sapphire RX 570/580:
This rule does not apply to video cards assembled at other factories. But, you can ask a question about the type of memory to the technical support department of the manufacturer whose video card you plan to buy. Specialists of the Russian department of Sapphire Technology communicate with clients through the VKontakte social network, link https://vk.com/sapphiretechnology.
Navi series graphics cards come with Samsung memory, at least that’s what everyone who actually tested them claims. Only Micron produces GDDR5X chips for GTX 1080 Ti. The memory of this supplier can often be found on ASUS cards, but Gigabyte prefers Hunix or Samsung microcircuits. Before buying, read reviews about the card on the thematic forums.
You cannot be 100% sure that such a GDDR manufacturer will come across. However, this does not mean at all that by buying a card with the memory of an elpid for mining, you have signed yourself a verdict. The difference in the number of hashes and stability of work between video cards with different types of memory, of course, is, but still, it is not so huge as to panic and run back to the store. Problems can arise with any video card and you must learn how to correctly and quickly eliminate them. Happy mining!
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