# AMD Radeon 660M

> integrated gpu

**Wikidata**: [Q126370582](https://www.wikidata.org/wiki/Q126370582)  
**Source**: https://4ort.xyz/entity/amd-radeon-660m

## Summary
The AMD Radeon 660M is an integrated GPU developed by AMD, designed for use in modern laptop processors as part of its accelerated processing unit (APU) lineup. It is built on the RDNA 2 architecture and targets power-efficient performance in thin-and-light notebooks. As part of AMD's broader ecosystem, it supports modern graphics APIs and integrates with Ryzen processors to deliver balanced performance for productivity and light gaming.

## Key Facts
- **Manufacturer**: AMD
- **Type**: Integrated GPU (iGPU)
- **Architecture**: RDNA 2
- **Release Date**: January 4, 2022
- **Base Clock Frequency**: 1500 MHz
- **Boost Clock Frequency**: 1900 MHz
- **Compute Units**: 4 (384 shaders)
- **Texture Mapping Units**: 24
- **Render Output Units**: 16
- **RT Cores**: 6
- **L1 Cache**: 384 KB (393,216 bytes)
- **L2 Cache**: 2 MB (2,097,152 bytes)
- **L3 Cache (shared with CPU)**: 96 KB per core (98,304 bytes total)
- **Instance of**: Graphics card model
- **Part of**: AMD Ryzen 6000 series APUs
- **API Support**: DirectX 12 Ultimate, Vulkan, OpenGL
- **Manufacturing Process**: 7nm FinFET (TSMC)
- **Memory Interface**: Shared system memory (LPDDR5 or DDR5)

## FAQs
### What is the AMD Radeon 660M?
The AMD Radeon 660M is an integrated GPU embedded within select Ryzen 6000 series laptop processors. It is designed for ultraportable systems where space and power efficiency are critical, offering a balance of performance and battery life.

### What are the core specifications of the AMD Radeon 660M?
The GPU is built on the RDNA 2 architecture and includes 4 compute units with 384 shaders, 24 texture mapping units, and 16 render output units. It operates at a base clock of 1500 MHz and a boost clock of 1900 MHz.

### When was the AMD Radeon 660M released?
The GPU was officially published on January 4, 2022, as part of AMD’s Ryzen 6000 series launch.

### What is the cache configuration of the AMD Radeon 660M?
The GPU features 96 KB of L3 cache (shared with the CPU), 384 KB of L1 cache, and 2 MB of L2 cache, optimized for low-latency access and power efficiency.

### What is the performance target of the AMD Radeon 660M?
It is designed for integrated graphics performance in thin-and-light laptops, targeting users who need efficient performance for productivity and light gaming without requiring a discrete GPU.

### What APIs and technologies does the AMD Radeon 660M support?
It supports modern graphics APIs such as DirectX 12 Ultimate, Vulkan, and OpenGL. It also supports hardware-accelerated ray tracing and variable rate shading through its 6 RT cores.

### Is the AMD Radeon 660M a discrete or integrated GPU?
It is an integrated GPU, meaning it is embedded directly into the processor die and shares system memory (typically LPDDR5 or DDR5) with the CPU.

## Why It Matters
The AMD Radeon 660M plays a critical role in AMD’s mobile processor strategy, offering users a balance of performance and efficiency in a compact form factor. As part of the Ryzen 6000 series, it enables thin-and-light laptops to deliver competitive graphics performance without the need for a separate GPU. This makes it ideal for ultrabooks and 2-in-1 devices where space and thermal constraints are significant. Its integration with the CPU allows for shared memory access and optimized power usage, making it a key component in modern mobile computing.

## Notable For
- Being one of the first integrated GPUs to utilize the RDNA 2 architecture in AMD's mobile APU lineup
- Supporting hardware-accelerated ray tracing with 6 dedicated RT cores
- Offering competitive performance in integrated graphics for its class
- Efficient use of system memory through shared cache architecture
- Enabling thin-and-light laptops to run modern applications and light games without a discrete GPU
- Supporting modern graphics APIs like DirectX 12 Ultimate and Vulkan
- Being part of AMD’s broader push for high-efficiency mobile processors

## Body

### Architecture and Design
The AMD Radeon 660M is built on the RDNA 2 architecture, which brings modern features like hardware-accelerated ray tracing and variable rate shading to integrated graphics. It features 4 compute units, each containing 96 shaders for a total of 384 shaders. It also includes 24 texture mapping units and 16 render output units, enabling it to handle modern graphics workloads efficiently.

The GPU shares system memory with the CPU, utilizing LPDDR5 or DDR5 RAM for texture and frame data. It includes:
- **L1 Cache**: 384 KB
- **L2 Cache**: 2 MB
- **L3 Cache**: 96 KB (shared with the CPU)

### Performance and Clocks
The GPU operates with:
- **Base Clock Frequency**: 1500 MHz
- **Boost Clock Frequency**: 1900 MHz

These clocks allow for responsive performance in both productivity and light gaming scenarios, especially when paired with modern low-power CPUs in the Ryzen 6000 series lineup.

### Release and Integration
The AMD Radeon 660M was officially published on January 4, 2022, as part of AMD’s Ryzen 6000 series of mobile processors. It is designed for integration into ultraportable laptops, where it shares thermal and power budgets with the CPU. This tight integration allows for optimized performance without exceeding typical 15–28W TDP envelopes.

### Technical Specifications
- **API Support**: DirectX 12 Ultimate, Vulkan, OpenGL
- **Manufacturing Process**: 7nm FinFET (TSMC)
- **Memory Interface**: Shared system memory (LPDDR5 or DDR5)
- **RT Cores**: 6
- **L3 Cache**: Shared with CPU (98,304 bytes)
- **L1 Cache**: 393,216 bytes
- **L2 Cache**: 2,097,152 bytes

### Use Cases and Market Position
The GPU is targeted at users who need a balance of performance and battery life, such as students, professionals, and casual gamers. It is especially effective in 2-in-1 laptops and ultrabooks where space and thermal design are constrained. The 660M enables these systems to run modern applications and light games without requiring a discrete GPU.

### Integration with Ryzen Processors
As part of AMD’s accelerated processing unit (APU) strategy, the Radeon 660M is embedded directly into Ryzen 6000 series processors. This integration allows for:
- Shared memory architecture
- Unified thermal and power management
- Low-latency communication between GPU and CPU
- Efficient use of system resources

### Developer Tools and Ecosystem
The GPU supports AMD’s FidelityFX Super Resolution (FSR) and other software enhancements, allowing developers to optimize performance in games and applications. It also supports hardware-level ray tracing, a feature previously limited to discrete GPUs.

### Competitive Advantages
The Radeon 660M stands out in the integrated GPU space by:
- Offering hardware-accelerated ray tracing
- Supporting modern APIs like DirectX 12 Ultimate
- Sharing cache efficiently with the CPU
- Operating within strict power envelopes typical of mobile devices

### Power and Thermal Efficiency
The GPU is designed to operate within the shared thermal design power (TDP) of the APU, typically ranging from 15W to 28W. This makes it ideal for thin-and-light laptops where cooling is limited and battery life is a priority.

### Future Prospects
As part of AMD’s broader mobile roadmap, the Radeon 660M represents a shift toward more powerful integrated graphics in mainstream laptops. It sets a new standard for performance per watt in compact systems and positions AMD as a leader in integrated GPU innovation.