Product Compare
AMD Radeon 660M vs AMD Steam Deck GPU
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2022 | Feb 2022 |
| Generation | Rembrandt | Console GPU |
| Type | Integrated | Game console |
| Bus Interface | PCIe 4.0 x8 | |
| Clock Speeds | ||
| Base Clock | 1500 MHz | 1000 MHz |
| Boost Clock | 1900 MHz | 1600 MHz |
| Memory Clock | System Shared | 1375 MHz |
| Memory | ||
| Memory Size | System Shared | 16GB |
| Memory Type | System Shared | LPDDR5 |
| Memory Bus | System Shared | 128bit |
| Bandwidth | System Dependent | 88.00GB/s |
| Render Config | ||
| Compute Units | 6 | 8 |
| Shading Units | 384 | 512 |
| TMUs | 24 | 32 |
| ROPs | 16 | 16 |
| RT Cores | 6 | 8 |
| L1 Cache | 128 KB per Array | 128 KB per Array |
| L2 Cache | 2 MB | 1024 KB |
| L3 Cache | 8 MB | |
| Theoretical Performance | ||
| Pixel Rate | 30.40 GPixel/s | 25.60 GPixel/s |
| Texture Rate | 45.60 GTexel/s | 51.20 GTexel/s |
| FP16 (half) | 2.918 TFLOPS | 3.277 TFLOPS |
| FP32 (float) | 1459 GFLOPS | 1.638 TFLOPS |
| FP64 (double) | 91.20 GFLOPS | 102.4 GFLOPS |
| Graphics Processor | ||
| GPU Name | Rembrandt | Van Gogh |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 6 nm | 7 nm |
| Transistors | 13.1 billion | 2.4 billion |
| Die Size | 210 mm² | 163 mm² |
| GPU Variant | 100-000000405 | |
| Board Design | ||
| TDP | 15W | 15W |
| Outputs | No outputs | 1x USB Type-C |
| Power Connectors | None | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 6.5 | 6.8 |