# integrated graphics processor

> graphics processor that has been integrated into another major component of a computer, most commonly the CPU

**Wikidata**: [Q2713403](https://www.wikidata.org/wiki/Q2713403)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Integrated_graphics_processor)  
**Source**: https://4ort.xyz/entity/integrated-graphics-processor

## Summary
An **integrated graphics processor (IGP or IGPU)** is a graphics processing unit (GPU) embedded within another major computer component, most commonly the central processing unit (CPU). Unlike discrete GPUs, integrated graphics share system memory and are designed for efficiency, making them ideal for everyday computing tasks, laptops, and budget-friendly systems.

## Key Facts
- **Definition**: A graphics processor integrated into a CPU or chipset, sharing system memory instead of having dedicated VRAM.
- **Common Integration**: Most frequently embedded within CPUs (e.g., Intel Core series, AMD APUs) or chipsets (e.g., Intel 810).
- **Aliases**: Also known as IGP, IGPU, or integrated GPU.
- **Opposite Concept**: Discrete graphics processors, which are separate, dedicated GPUs with their own memory.
- **Subclass Of**: Both a **graphics processing unit (GPU)** and a **central processing unit (CPU)** component.
- **Notable Brands**:
  - **Intel**: HD Graphics, UHD Graphics, Iris Xe Graphics (e.g., Intel HD Graphics 620, UHD Graphics 615).
  - **AMD**: Radeon Graphics (integrated in APUs like Raven Ridge, Renoir, and Rembrandt).
- **Microarchitectures**:
  - AMD: GCN 5.0 (Raven, Picasso), GCN 5.1 (Renoir, Cezanne), RDNA 2 (Mendocino, Rembrandt), RDNA 3 (Phoenix).
  - Intel: Variants like HD Graphics 4000 (2012) and UHD Graphics 615 (2016).
- **First Integrated GPU**: Intel 810 chipset (1999), one of the earliest examples of integrated graphics.

## FAQs
### Q: What is the difference between integrated and discrete graphics?
A: Integrated graphics are built into the CPU or chipset and share system RAM, while discrete graphics are separate cards with dedicated VRAM, offering higher performance but at greater cost and power consumption.

### Q: Are integrated graphics good for gaming?
A: Integrated graphics can handle light gaming (e.g., esports titles, older games) but struggle with demanding AAA games. Modern AMD APUs (e.g., Rembrandt with RDNA 2) and Intel Iris Xe improve performance but still lag behind discrete GPUs.

### Q: Which companies make integrated graphics?
A: **Intel** (HD/UHD Graphics, Iris Xe) and **AMD** (Radeon Graphics in APUs) are the primary manufacturers. AMD’s APUs combine CPU and GPU on a single chip (e.g., AMD Accelerated Processing Units).

### Q: Do integrated graphics use VRAM?
A: No, they use a portion of the system’s RAM (shared memory) instead of dedicated VRAM, which limits performance but reduces cost and power usage.

### Q: What are AMD APUs?
A: **AMD Accelerated Processing Units (APUs)** are CPUs with integrated Radeon graphics, combining both components on a single die for improved efficiency (e.g., Ryzen series with Vega or RDNA graphics).

## Why It Matters
Integrated graphics processors democratize computing by reducing costs, power consumption, and physical space requirements. They enable affordable laptops, ultrabooks, and budget desktops to handle everyday tasks—web browsing, office applications, and light multimedia—without needing a discrete GPU. For businesses and casual users, this means lower hardware costs and longer battery life. In recent years, advancements like AMD’s RDNA-based APUs and Intel’s Iris Xe have narrowed the gap with entry-level discrete GPUs, making integrated graphics viable for light gaming and content creation. They also play a critical role in embedded systems, IoT devices, and thin clients where power efficiency is paramount.

## Notable For
- **Cost Efficiency**: Eliminates the need for a separate GPU, reducing system cost and complexity.
- **Power Savings**: Lower power consumption extends battery life in laptops and reduces heat output.
- **Space Optimization**: Enables thinner and lighter devices by removing the need for discrete GPU hardware.
- **AMD APU Innovation**: Combines CPU and GPU on a single chip (e.g., Ryzen APUs with Radeon Vega/RDNA graphics), improving performance over traditional integrated solutions.
- **Ubiquity**: Found in most modern consumer laptops and budget desktops, making them the most widely used GPU type globally.

## Body
### **Definition and Core Function**
An integrated graphics processor (IGP) is a GPU embedded within another component, typically the CPU or chipset. It processes graphical tasks but lacks dedicated video memory (VRAM), instead using a portion of the system’s RAM. This design prioritizes efficiency over raw performance, making IGPs ideal for mainstream computing.

### **Integration Methods**
1. **CPU-Integrated**: Modern IGPs (e.g., Intel UHD Graphics, AMD Radeon Graphics) are built into the CPU die, sharing cache and memory controllers.
2. **Chipset-Integrated**: Older solutions (e.g., Intel 810) placed the GPU in the northbridge chipset, connected to the CPU via a bus.

### **Key Manufacturers and Products**
#### **Intel**
- **Intel HD Graphics**: Entry-level series (e.g., HD Graphics 4000, 620).
- **Intel UHD Graphics**: Successor to HD Graphics with improved performance (e.g., UHD Graphics 615, 620).
- **Intel Iris Xe Graphics**: High-end integrated graphics for ultrabooks and light gaming (e.g., 11th/12th Gen Core CPUs).

#### **AMD**
- **AMD APUs (Accelerated Processing Units)**: CPUs with integrated Radeon graphics, using architectures like:
  - **GCN 5.0**: Raven Ridge (Ryzen 2000), Picasso (Ryzen 3000).
  - **GCN 5.1**: Renoir (Ryzen 4000), Cezanne (Ryzen 5000).
  - **RDNA 2**: Rembrandt (Ryzen 6000), Mendocino (Ryzen 7020).
  - **RDNA 3**: Phoenix (Ryzen 7040).
- **Radeon Graphics**: Brand name for AMD’s integrated GPUs in APUs.

### **Performance and Use Cases**
- **Strengths**:
  - Low power consumption (critical for laptops).
  - Sufficient for office work, web browsing, and 4K video playback.
  - Modern IGPs (e.g., Iris Xe, RDNA 2) can run esports titles (e.g., *League of Legends*, *CS:GO*) at 1080p/low settings.
- **Limitations**:
  - Struggles with AAA gaming, 3D rendering, or high-resolution video editing.
  - Shared memory bandwidth creates bottlenecks compared to discrete GPUs.

### **Historical Context**
- **Early Examples**: Intel 810 (1999) was one of the first chipsets with integrated graphics.
- **Evolution**: Transition from chipset-based (e.g., Intel GMA) to CPU-integrated (e.g., Intel HD Graphics in 2010, AMD APUs in 2011).
- **Recent Advances**: AMD’s RDNA 2/3 and Intel’s Xe architectures have significantly improved integrated graphics performance, blurring the line with entry-level discrete GPUs.

### **Comparison with Discrete GPUs**
| Feature               | Integrated Graphics          | Discrete GPU                |
|-----------------------|-----------------------------|-----------------------------|
| **Memory**            | Shared system RAM           | Dedicated VRAM              |
| **Power Consumption** | Low (5–25W)                 | High (50–350W+)             |
| **Performance**       | Basic to moderate           | High to extreme             |
| **Cost**              | Included with CPU           | Additional cost             |
| **Use Case**          | Everyday computing, light gaming | Gaming, professional workloads |

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