Product Compare
AMD Radeon Pro V620 vs AMD Radeon R9 M390 Mac Edition
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2021 | May 2015 |
| Generation | Radeon Pro | Crystal System |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1825 MHz | |
| Boost Clock | 2200 MHz | |
| Memory Clock | 2000 MHz | 1365 MHz |
| Memory | ||
| Memory Size | 32GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 512.0GB/s | 174.7GB/s |
| Render Config | ||
| Compute Units | 72 | 16 |
| Shading Units | 4608 | 1024 |
| TMUs | 288 | 64 |
| ROPs | 128 | 32 |
| RT Cores | 72 | |
| L1 Cache | 128 KB per Array | 16 KB (per CU) |
| L2 Cache | 4 MB | 512 KB |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 281.6 GPixel/s | 30.66 GPixel/s |
| Texture Rate | 633.6 GTexel/s | 61.31 GTexel/s |
| FP16 (half) | 40.55 TFLOPS | |
| FP32 (float) | 20.28 TFLOPS | 1.962 TFLOPS |
| FP64 (double) | 1267 GFLOPS | 122.6 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | Pitcairn |
| GPU Variant | Navi 21 XT(215-121000177) | Pitcairn PRO(215-0828062) |
| Architecture | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 28 nm |
| Transistors | 26.8 billion | 2.8 billion |
| Die Size | 520 mm² | 212 mm² |
| Board Design | ||
| TDP | 300W | 80W |
| Suggested PSU | 700 W | |
| Outputs | No outputs | No outputs |
| Power Connectors | 2x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.5 | 5.1 |