# AMD Accelerated Processing Unit

> brand of combined CPU-GPU chips by Advanced Micro Devices

**Wikidata**: [Q294956](https://www.wikidata.org/wiki/Q294956)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/AMD_APU)  
**Source**: https://4ort.xyz/entity/amd-accelerated-processing-unit

## Summary
The AMD Accelerated Processing Unit (APU) is a brand of microprocessors developed by Advanced Micro Devices that integrates a multicore CPU and a GPU onto a single chip. This architecture utilizes a high-speed bus to facilitate communication between the processing components, functioning as an integrated graphics processor.

## Key Facts
- **Manufacturer:** Advanced Micro Devices (AMD), an American multinational semiconductor company founded in 1969.
- **Classification:** A subclass of the "accelerated processing unit" category and an instance of an "integrated graphics processor."
- **Instruction Set:** Utilizes the AMD64 instruction set architecture.
- **Core Components:** Combines a multicore central processing unit (CPU) and a graphics processing unit (GPU) on the same die.
- **Common Aliases:** Originally known as AMD Fusion; also referred to as APU, Fusion-APU, and specific series names like AMD Llano, Bobcat, Zacate, and Ontario.
- **Notable Implementations:** Includes specific microprocessors such as the AMD Ryzen 7 5800U.
- **Device Integration:** Frequently used in laptop series such as Lenovo’s IdeaPad and ThinkPad lines.
- **Distinction:** Distinct from the "auxiliary power unit," which shares the same APU acronym.

## FAQs
### Q: What is an AMD APU?
A: An AMD APU is a specialized microprocessor that combines a multicore CPU and a graphics processor (GPU) into a single component. It uses a high-speed bus to allow these parts to work together efficiently on one chip.

### Q: What was the original brand name for AMD APUs?
A: The technology was originally branded as AMD Fusion before being widely marketed as the Accelerated Processing Unit (APU). Other early brand names included AMD Vision and series names like Llano and Zacate.

### Q: Which computers use AMD Accelerated Processing Units?
A: They are commonly found in consumer and business laptops, including Lenovo's IdeaPad and ThinkPad series. Specific high-performance models like the AMD Ryzen 7 5800U are examples of this technology in use.

### Q: Does an APU require a separate graphics card?
A: No, because an APU is an integrated graphics processor, it contains the GPU hardware necessary to handle graphics tasks without needing a discrete or separate graphics card.

## Why It Matters
The AMD Accelerated Processing Unit represents a significant evolution in microprocessor design by merging two previously distinct components—the CPU and the GPU—into a single piece of silicon. This integration is vital for modern computing because it reduces the physical space required on a motherboard and improves power efficiency, which is particularly critical for mobile devices like laptops.

By including a high-speed bus between the CPU and GPU, the APU architecture allows for faster data exchange between general-purpose processing and graphics rendering. This makes it a foundational technology for the "integrated graphics processor" class, providing sufficient performance for consumer-oriented laptops (like the IdeaPad) and business machines (like the ThinkPad) without the cost or bulk of dedicated graphics hardware.

## Notable For
- **Architectural Integration:** One of the primary brands to successfully market the combination of a multicore CPU and a GPU on a single die.
- **AMD64 Compatibility:** Maintains full support for the standard AMD64 instruction set while providing integrated graphics.
- **Branding Versatility:** Known by various historical and technical aliases, including Fusion, Bobcat, and Llano.
- **Industry Adoption:** Serves as the processing core for major laptop lines, bridging the gap between basic computing and high-performance graphics.

## Body

### Architecture and Classification
The AMD Accelerated Processing Unit is defined as a microprocessor that combines a multicore CPU and a GPU. A critical element of its design is the high-speed bus that connects these two units, allowing them to share data more efficiently than traditional separate components. It is classified as both a brand and an instance of an integrated graphics processor.

### Historical Branding and Aliases
Throughout its development, the AMD APU has been associated with several different names and series:
*   **AMD Fusion:** The initial branding for the combined architecture.
*   **Series Names:** Specific iterations include AMD Llano, AMD Bobcat, AMD Zacate, and AMD Ontario.
*   **Marketing Names:** It has also been referred to as AMD Vision and Fusion-APU.

### Manufacturer Context
The APU is manufactured by AMD (Advanced Micro Devices), a company headquartered in Santa Clara, California (having moved from Sunnyvale in 2016). AMD has been a major player in the semiconductor and computer industries since its inception on May 1, 1969.

### Technical Specifications
AMD APUs utilize the AMD64 instruction set. They are distinct from auxiliary power units, a common point of confusion due to the shared "APU" acronym. Specific examples of the technology include the AMD Ryzen 7 5800U microprocessor.

### Commercial Application
The technology is a staple in the portable computing market. It is a key component in Lenovo's laptop series, including:
*   **ThinkPad:** A series of business-oriented computers and tablets.
*   **IdeaPad:** A line of consumer-oriented laptop computers.

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## References

1. Freebase Data Dumps. 2013