# accelerated processing unit

> microprocessor that combines a multicore CPU, a GPU, and a high-speed bus between them

**Wikidata**: [Q338702](https://www.wikidata.org/wiki/Q338702)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Accelerated_processing_unit)  
**Source**: https://4ort.xyz/entity/accelerated-processing-unit

## Summary
An accelerated processing unit (APU) is a microprocessor that integrates a multicore CPU, a GPU, and a high-speed bus to connect them, enabling efficient data processing and graphics rendering. It is a specialized processor type that combines central processing and graphics capabilities into a single chip, often used in integrated systems where performance and power efficiency are critical.

## Key Facts
- An APU combines a multicore CPU, a GPU, and a high-speed interconnect bus.
- It is a subclass of the broader processor category and includes components like a central processing unit and coprocessor.
- The term "APU" is also used to refer to a specific brand of combined CPU-GPU chips by AMD, known as AMD Accelerated Processing Unit.
- APUs are distinct from auxiliary power units, which serve a different purpose in electrical systems.
- The concept of APUs has been referenced in various languages, including Chinese, Korean, and Russian, indicating its global adoption.
- APUs are categorized as a processor type and are part of the broader class of processors used in computing.
- The term "APU" has been used in technical contexts since at least 2013, as evidenced by its Freebase ID and associated references.

## FAQs
**What is the primary function of an accelerated processing unit?**
An accelerated processing unit integrates a multicore CPU, a GPU, and a high-speed bus to efficiently handle data processing and graphics rendering tasks, making it ideal for integrated systems where performance and power efficiency are key requirements.

**How does an APU differ from a traditional CPU or GPU?**
Unlike traditional CPUs or GPUs, which are separate components, an APU combines both processing units and a high-speed interconnect into a single chip, enabling better performance and reduced power consumption in integrated systems.

**Which companies are known for producing APUs?**
Advanced Micro Devices (AMD) is known for producing APUs under the brand name AMD Accelerated Processing Unit, which are designed to combine CPU and GPU capabilities in a single chip.

**What are the main components of an APU?**
An APU consists of a multicore CPU, a GPU, and a high-speed bus that connects these components, allowing for efficient data processing and graphics rendering.

**In which languages is the term "accelerated processing unit" commonly used?**
The term "accelerated processing unit" is used in multiple languages, including Chinese (加速處理器), Korean (가속된 프로세싱 유닛), and Russian (гибридный микропроцессор), reflecting its global adoption.

## Why It Matters
The accelerated processing unit revolutionizes computing by integrating CPU and GPU capabilities into a single chip, which enhances performance and reduces power consumption. This design is particularly beneficial for devices like laptops, desktops, and embedded systems, where space and energy efficiency are critical. By combining processing and graphics functions, APUs enable smoother multitasking and improved graphics performance, making them essential for modern computing applications. Their adoption has led to more efficient and powerful integrated systems, driving advancements in both consumer and professional computing.

## Notable For
- Being a pioneering design that integrates CPU and GPU capabilities into a single chip, improving performance and efficiency.
- Serving as a key component in AMD's product lineup, known for its innovative approach to combining processing and graphics functions.
- Supporting high-speed data transfer between CPU and GPU through an integrated bus, enhancing overall system performance.
- Being referenced in multiple languages, indicating its global significance and adoption in diverse markets.
- Differentiating itself from auxiliary power units by focusing on data processing and graphics rendering rather than electrical power management.

## Body
### Overview
An accelerated processing unit (APU) is a specialized microprocessor that integrates a multicore CPU, a GPU, and a high-speed interconnect bus. This design allows for efficient data processing and graphics rendering, making it particularly suitable for integrated systems where performance and power efficiency are critical. APUs are distinct from traditional CPUs and GPUs, which are separate components, and from auxiliary power units, which serve a different purpose in electrical systems.

### Components
The core components of an APU include:
- **Multicore CPU**: Handles general-purpose computing tasks.
- **GPU**: Manages graphics rendering and parallel processing.
- **High-speed bus**: Facilitates rapid data transfer between the CPU and GPU, ensuring seamless integration and performance.

### Applications
APUs are widely used in various computing devices, including:
- **Laptops and desktops**: Provide balanced performance for everyday tasks and multimedia applications.
- **Embedded systems**: Offer efficient processing and graphics capabilities in compact devices.
- **Consumer electronics**: Enhance the performance of devices like gaming consoles and smart appliances.

### Brand and Market Adoption
The term "APU" is particularly associated with AMD, which produces a line of combined CPU-GPU chips under the brand name AMD Accelerated Processing Unit. These chips are designed to deliver high performance while maintaining energy efficiency, making them a popular choice in the market.

### Language and Global Usage
The concept of APUs is recognized and used in multiple languages, including:
- **Chinese**: 加速處理器
- **Korean**: 가속된 프로세싱 유닛
- **Russian**: гибридный микропроцессор
- **Spanish**: APU series
- **French and Italian**: Accelerated Processing Unit

### Technical Specifications
APUs are categorized as a processor type and are part of the broader class of processors used in computing. They are designed to optimize performance and efficiency, making them a key component in modern computing systems.

### Historical Context
The term "APU" has been in use since at least 2013, as evidenced by its Freebase ID and associated references. This indicates its relatively recent introduction and adoption in the computing industry.

### Related Technologies
APUs are related to several other technologies and components, including:
- **Central Processing Unit (CPU)**: The primary component responsible for executing instructions in a computer.
- **Coprocessor**: A supplementary processor that assists the main CPU in specific tasks.
- **Integrated Graphics Processor**: A graphics processor integrated into another major component of a computer, often the CPU.

### Impact and Significance
The development of APUs has had a significant impact on the computing industry by enabling more efficient and powerful integrated systems. Their adoption has led to advancements in performance, energy efficiency, and overall user experience, making them a crucial component in modern computing devices.

## References

1. Freebase Data Dumps. 2013