How do I increase my VRAM
GPU, VRAM, GDDR5 - With this trick you increase the video memory in Windows
Most of you should already have come into contact with the terms GPU, VRAM, GDDR5 and the like - but what exactly do all these words mean? In this article I am trying to bring some of it closer to you and to show you a few helpful tricks for avoiding common problems.
First in order:
A GPU is a processor that can initially only be used to calculate everything we see on the PC. So it calculates what every single pixel on the monitor should look like when we move the mouse. Over and over again, 30, 60 or even 144 times per second, every single pixel. To make life easier for yourself and to always be able to output a complete picture, there is the VRAM. This abbreviation stands for Video Random Access Memory, or “Vee-RAM” for short. The graphics card can access this memory in order to store files that are necessary for the calculation. It is particularly important in gaming, as there are very large shader packages that are a little different for each scene. Overall, a few GB of data can easily come together. GDDR5 is the latest generation of memory that is used.
Some people may now wonder what this issue has to do with oneself, especially since there is no graphics card installed in the PC. In principle, every processor has a built-in graphics card, with the exception of some Intel Xeons. And here it gets a little more complicated. This fact leads to the next two terms - dedicated and shared video memory. In principle, all separate graphics cards from NVIDIA and AMD have their own video memory that they can use. However, this does not apply to the graphics chips integrated in Intel and AMD processors. These have no dedicated memory, but share the memory with the system itself - hence the name. An Intel HD graphic nevertheless also has a “dedicated” memory - even though it is quite small with between 32 and 256MB. This is simply a piece of memory that the BIOS locks for Windows and makes available exclusively to the graphics chip.
How much graphics memory do I have?
This can be found out relatively easily: First open the Windows settings either via the start menu or via Windows + I. Once there, navigate to the point “System” - “Display” - Switch to the right side and scroll down to “Advanced display settings” ”, Now one more click on“ Show adapter properties ”and you are there.
That doesn't sound like much at first, and if you look at Intel's website, you can often see that the Intel HD graphics chips can manage more than 4GB of VRAM. This is where Windows management comes into play: If the system does not require the entire RAM, parts of it are automatically made available to the graphics card. You can see this in the Task Manager, for example:
Nevertheless, it may be that you cannot open a game or other applications because the dedicated VRAM in the system is entered as too small (for me for example 128MB) - especially with a current Intel Core processor with enough power for some older games extremely annoying. But this problem can be avoided: We can avoid this fact and use a registry entry to trick the system into having a larger video memory.
And the solution ...
As always, neither the author nor WindowsUnited and their employees accept liability for copying these instructions.
First you have to open the registry editor. To do this, press Windows + R and type in “regedit”. You have to confirm the request for administrator rights. Now you navigate to the folderHKEY_LOCAL_MACHINE \ Software \ Inteland create a new key called “GMM” by right-clicking the Intel key and selecting New -> Key.
Next you have to select the new key and switch to the area on the right. There you press the right mouse button again and this time select New -> Dword (32-bit) value. You call this “DedicatedSegmentSize”. You can enter a number between 0 and 512 by double-clicking the new value. That number will then be the megabytes that Windows passes on to programs as dedicated VRAM. Make sure that you can then no longer use this memory for other tasks - so I would not recommend you to select 512MB with 4GB of RAM.
Now you just have to click on “OK” and close all windows. Your system should have adopted this value after the next restart. However, this does not change your dedicated value as such; This is determined by the BIOS. If there is no option to change there, then you cannot for now. What is changed with this trick is the value that Windows passes on to programs when asked.
I really hope this article has helped some of you. If you have any further questions, feel free to write in the comments or our Telegram group.
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