Product Compare
AMD Radeon Pro 580 vs AMD Radeon 660M
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jun 2017 | Jan 2022 |
| Generation | Radeon Pro Mac | Rembrandt |
| Type | Mobile | Integrated |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Clock Speeds | ||
| Base Clock | 1100 MHz | 1500 MHz |
| Boost Clock | 1200 MHz | 1900 MHz |
| Memory Clock | 1695 MHz | System Shared |
| Memory | ||
| Memory Size | 8GB | System Shared |
| Memory Type | GDDR5 | System Shared |
| Memory Bus | 256bit | System Shared |
| Bandwidth | 217.0GB/s | System Dependent |
| Render Config | ||
| Compute Units | 36 | 6 |
| Shading Units | 2304 | 384 |
| TMUs | 144 | 24 |
| ROPs | 32 | 16 |
| L1 Cache | 16 KB (per CU) | 128 KB per Array |
| L2 Cache | 2 MB | 2 MB |
| RT Cores | 6 | |
| Theoretical Performance | ||
| Pixel Rate | 38.40 GPixel/s | 30.40 GPixel/s |
| Texture Rate | 172.8 GTexel/s | 45.60 GTexel/s |
| FP16 (half) | 5.530 TFLOPS | 2.918 TFLOPS |
| FP32 (float) | 5.530 TFLOPS | 1459 GFLOPS |
| FP64 (double) | 345.6 GFLOPS | 91.20 GFLOPS |
| Graphics Processor | ||
| GPU Name | Ellesmere | Rembrandt |
| GPU Variant | Ellesmere XTA(216-0886220) | |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 6 nm |
| Transistors | 5.7 billion | 13.1 billion |
| Die Size | 232 mm² | 210 mm² |
| Board Design | ||
| TDP | 185W | 15W |
| Outputs | No outputs | No outputs |
| Power Connectors | None | None |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader Model | 6.4 | 6.5 |
| Benchmarks | ||
| 3DMark Time Spy | 3791 | 1537 |
| 3DMark Time Spy Extreme | 1684 | 701 |