Product Compare
AMD Radeon RX 7900M vs AMD Radeon RX 580X Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2023 | Apr 2018 |
| Generation | Navi Mobile | Mobility Radeon |
| Type | Mobile | Mobile |
| Bus Interface | PCIe 4.0 x16 | MXM-B (3.0) |
| Clock Speeds | ||
| Base Clock | 1825 MHz | 1000 MHz |
| Boost Clock | 2090 MHz | 1077 MHz |
| Memory Clock | 2250 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 16GB | 8GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 576.0GB/s | 256.0GB/s |
| Render Config | ||
| Compute Units | 72 | 36 |
| Shading Units | 4608 | 2304 |
| TMUs | 288 | 144 |
| ROPs | 192 | 32 |
| RT Cores | 72 | |
| L1 Cache | 256 KB per Array | 16 KB (per CU) |
| L2 Cache | 6 MB | 2 MB |
| L3 Cache | 64 MB | |
| Theoretical Performance | ||
| Pixel Rate | 401.3 GPixel/s | 34.46 GPixel/s |
| Texture Rate | 601.9 GTexel/s | 155.1 GTexel/s |
| FP16 (half) | 77.05 TFLOPS | 4.963 TFLOPS |
| FP32 (float) | 38.52 TFLOPS | 4.963 TFLOPS |
| FP64 (double) | 1204 GFLOPS | 310.2 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 31 | Polaris 20 |
| GPU Variant | Navi 31 | Polaris 20M XT |
| Architecture | RDNA 3.0 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 5 nm | 14 nm |
| Transistors | 57.7 billion | 5.7 billion |
| Die Size | 529 mm² | 232 mm² |
| Board Design | ||
| TDP | 180W | 100W |
| Outputs | Portable Device Dependent | No outputs |
| Power Connectors | None | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 2.1 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.8 | 6.4 |