How are integrated graphics different from a discrete video card?

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computer graphics The Utah Teapot, a standard graphics image used to benchmark computer systems.

The primary difference between integrated graphics and a discrete video card lies in their physical integration and dedicated resources.

Integrated Graphics

In an integrated system, the graphics processing unit (GPU) is built directly into the computer’s central processing unit (CPU) or the motherboard. Because these components share space and resources with the main system, they are typically more power-efficient and cost-effective for standard computing tasks.1

Discrete Video Cards

A discrete video card is a separate circuit board that is either slotted into or soldered onto the motherboard. Unlike integrated systems, discrete cards are self-contained units that include their own:
* Dedicated GPU: A powerful processor with multiple cores designed for complex graphical calculations.1
* VRAM: Dedicated video memory that stores textures, image buffers, and graphical data, allowing the GPU to fetch information rapidly without relying on system memory.1
* Cooling Systems: Components such as heat sinks and fans to manage the heat generated by high-performance processing.1

Discrete cards are generally preferred for demanding applications like 3D modeling, gaming, and machine learning because they provide significantly higher rendering performance.1