Product Compare
AMD Radeon Pro Vega 20 vs AMD Radeon RX 7900 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2018 | Nov 2022 |
| Generation | Radeon Pro Mac | Navi III |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 815 MHz | 1387 MHz |
| Boost Clock | 1283 MHz | 2394 MHz |
| Memory Clock | 740 MHz | 2500 MHz |
| Memory | ||
| Memory Size | 4GB | 20GB |
| Memory Type | HBM2 | GDDR6 |
| Memory Bus | 1024bit | 320bit |
| Bandwidth | 189.4GB/s | 800.0GB/s |
| Render Config | ||
| Compute Units | 20 | 84 |
| Shading Units | 1280 | 5376 |
| TMUs | 80 | 336 |
| ROPs | 32 | 192 |
| L1 Cache | 16 KB (per CU) | 256 KB per Array |
| L2 Cache | 1024 KB | 6 MB |
| RT Cores | 84 | |
| L3 Cache | 80 MB | |
| Theoretical Performance | ||
| Pixel Rate | 41.06 GPixel/s | 459.6 GPixel/s |
| Texture Rate | 102.6 GTexel/s | 804.4 GTexel/s |
| FP16 (half) | 6.569 TFLOPS | 103.0 TFLOPS |
| FP32 (float) | 3.284 TFLOPS | 51.48 TFLOPS |
| FP64 (double) | 205.3 GFLOPS | 1.609 TFLOPS |
| Graphics Processor | ||
| GPU Name | Vega 12 | Navi 31 |
| GPU Variant | Vega 12 XTA | Navi 31 XT(215-145000156) |
| Architecture | GCN 5.0 | RDNA 3.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 5 nm |
| Transistors | Unknown | 57.7 billion |
| Die Size | Unknown | 529 mm² |
| Board Design | ||
| TDP | 100W | 300W |
| Outputs | No outputs | 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C |
| Suggested PSU | 700 W | |
| Power Connectors | 2x 8-pin | |
| Graphics Features | ||
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.2 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 6.3 | 6.8 |
| Benchmarks | ||
| 3DMark Time Spy | 2596 | 26829 |
| 3DMark Time Spy Extreme | 1211 | 13130 |