Product Compare
NVIDIA B300 vs AMD Radeon Graphics 448SP
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2025 | Jan 2021 |
| Generation | Server Blackwell | Lucienne |
| Type | Desktop | Integrated |
| Bus Interface | PCIe 5.0 x16 | IGP |
| Clock Speeds | ||
| Base Clock | 1665 MHz | 300 MHz |
| Boost Clock | 2032 MHz | 1800 MHz |
| Memory Clock | 2000 MHz | System Shared |
| Memory | ||
| Memory Size | 144GB | System Shared |
| Memory Type | HBM3e | System Shared |
| Memory Bus | 4096bit | System Shared |
| Bandwidth | 4.10TB/s | System Dependent |
| Render Config | ||
| SM Count | 148 | |
| Shading Units | 18944 | 448 |
| TMUs | 592 | 32 |
| ROPs | 24 | 8 |
| Tensor Cores | 592 | |
| L1 Cache | 256 KB (per SM) | |
| L2 Cache | 50 MB | |
| Compute Units | 7 | |
| Theoretical Performance | ||
| Pixel Rate | 48.77 GPixel/s | 14.40 GPixel/s |
| Texture Rate | 1202.9 GTexel/s | 57.60 GTexel/s |
| FP16 (half) | 1231.8 TFLOPS | 3.226 TFLOPS |
| FP32 (float) | 76.99 TFLOPS | 1.613 TFLOPS |
| FP64 (double) | 1202.9 GFLOPS | 100.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB110 | Lucienne |
| Architecture | Blackwell Ultra | GCN 5.1 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 7 nm |
| Transistors | 104 billion | 9.8 billion |
| Die Size | Unknown | 156 mm² |
| Board Design | ||
| TDP | 1400W | 25W |
| Suggested PSU | 1800 W | |
| Outputs | No outputs | No outputs |
| Power Connectors | None | |
| Graphics Features | ||
| DirectX | N/A | 12 (12_1) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | N/A | 1.2 |
| CUDA | 10.3 | |
| Shader Model | N/A | 6.4 |