Explaining the meaning of shared GPU memory vs. dedicated GPU memory

If you want to know the difference between shared GPU memory and dedicated GPU memoryread this post. GPUs they have become an integral part of modern computers. Initially designed to accelerate 3D graphics workloads, they have become essential computing technology for a wide range of applications, including creative production, gaming, and machine learning.

GPUs come in 2 basic variants: Integrated (shared) and Dedicated. A dedicated GPU comes with its own discrete card. It has its own graphics memory (known as VRAM) and is connected to the main board through a dedicated slot. An integrated GPU, on the other hand, is embedded within the motherboard along with the CPU. It does not have its own RAM. Shares system memory with the CPU.

Most modern processors today come with integrated graphics. They are compact, energy efficient, and less expensive compared to dedicated graphics. However, dedicated graphics have more power to handle high-end gaming and complex computing. This is because they have their own physical memory (high speed modules) located near the GPU coreswhich makes processing faster.

What is dedicated GPU memory?

Dedicated GPU memory or VRAM (Video RAM) is a type of random access memory specifically designed to store graphics-related information. Is he dedicated graphics main component which enables the GPU to perform high intensity graphics tasks quickly and efficiently.

What is shared GPU memory?

Integrated graphics don’t come with their own dedicated memory. They get memory from system RAM. The operating system also allocates a portion of the RAM for use by the dedicated GPU when it runs out of its own memory.

Thus, shared GPU memory is a virtual memory (an allocation of RAM) used by either the integrated GPU or the dedicated GPU to drive graphics-intensive functions on a computer system.

Shared GPU Memory Vs Dedicated GPU Memory, which is better?

Whether you have an integrated GPU or a dedicated GPU, your system will allocate up to 50% of your system memory to be used as shared GPU memory.

To understand this, take a look at the following image:

A Windows device with shared GPU memory

The above device has 8 GB of system RAM, of which ~4 GB is reserved as shared GPU memory. When the graphics chip in this device uses a specific amount of RAM for its own needs, that amount of RAM will not be available for other applications, ultimately causing the device to run at a much slower rate.

Now take a look at the following image:

A Windows device with shared and dedicated GPU memory

The above device has NVIDIA GeForce RTX 3060 graphics card installed. It has 6 GB of VRAM exclusively available for storing image related data. Apart from this, the operating system has also reserved 8 GB of RAM (half of the 16 GB of system RAM) to use as shared GPU memory. These 8 GB of RAM will remain available for other applications until the VRAM is full. Once the GPU runs out of VRAM, it will use this additional 8 GB of system memory to perform graphics related tasks.

Whether or not you really need a graphics card with dedicated memory depends on the type of applications you want to run on your PC. If you want to run high-end video applications, you may need a dedicated graphics card. Dedicated GPU memory prevents graphical crashes you can experiment with shared GPU memory and improves overall graphics performance. Offers stable frame rates, faster loading of texturesand fewer graphical popups.

However, dedicated GPUs are often expensive. If you don’t have the budget to buy a new graphics card, you can modify Windows settings to reallocate system RAM as dedicated VRAM.

I hope you find the above post helpful. Share your feedback in the comment section below.

Also read: Find how much RAM and graphics card you have installed in your computer.

What is shared and dedicated GPU memory?

Dedicated GPU memory refers to the physical VRAM that comes exclusively with a dedicated graphics card, while shared GPU memory refers to the amount of system RAM used by the graphics card (integrated or dedicated) to perform graphics-related tasks. graphics.

What is better shared or dedicated graphics?

This depends on individual requirements. Dedicated graphics are usually better for graphics-intensive tasks like high-end gaming, video editing, and 3D rendering. For everything else, the integrated graphics suffice. It uses less power and is less expensive compared to dedicated graphics.

Read next: Lower level explanation, secure operating system, first boot, second boot phase.

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James D. Brown
James D. Brown
Articles: 9392