Product Compare
AMD Radeon Pro V620 vs NVIDIA B300 SXM6 AC
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2021 | Sep 2025 |
| Generation | Radeon Pro | Server Blackwell |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 6.0 x16 |
| Clock Speeds | ||
| Base Clock | 1825 MHz | 1665 MHz |
| Boost Clock | 2200 MHz | 2032 MHz |
| Memory Clock | 2000 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 32GB | 288GB |
| Memory Type | GDDR6 | HBM3e |
| Memory Bus | 256bit | 8192bit |
| Bandwidth | 512.0GB/s | 8.19TB/s |
| Render Config | ||
| Compute Units | 72 | |
| Shading Units | 4608 | 18944 |
| TMUs | 288 | 592 |
| ROPs | 128 | 24 |
| RT Cores | 72 | |
| L1 Cache | 128 KB per Array | 256 KB (per SM) |
| L2 Cache | 4 MB | 126 MB |
| L3 Cache | 128 MB | |
| SM Count | 148 | |
| Tensor Cores | 592 | |
| Theoretical Performance | ||
| Pixel Rate | 281.6 GPixel/s | 48.77 GPixel/s |
| Texture Rate | 633.6 GTexel/s | 1202.9 GTexel/s |
| FP16 (half) | 40.55 TFLOPS | 76.99 TFLOPS |
| FP32 (float) | 20.28 TFLOPS | 76.99 TFLOPS |
| FP64 (double) | 1267 GFLOPS | 1202.9 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | GB110 |
| GPU Variant | Navi 21 XT(215-121000177) | |
| Architecture | RDNA 2.0 | Blackwell Ultra |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 5 nm |
| Transistors | 26.8 billion | 208 billion |
| Die Size | 520 mm² | 1628 mm² |
| Board Design | ||
| TDP | 300W | 1100W |
| Suggested PSU | 700 W | 1500 W |
| Outputs | No outputs | No outputs |
| Power Connectors | 2x 8-pin | |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | N/A |
| Shader Model | 6.5 | N/A |
| CUDA | 10.3 | |