Product Compare
NVIDIA B200 SXM 192 GB vs AMD Radeon Instinct MI355X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2024 | Jun 2025 |
| Generation | Server Blackwell | Radeon Instinct |
| Type | Desktop | Professional |
| Bus Interface | PCIe 5.0 x16 | PCIe 5.0 x16 |
| Clock Speeds | ||
| Base Clock | 1665 MHz | 1000 MHz |
| Boost Clock | 1837 MHz | 2400 MHz |
| Memory Clock | 2000 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 96GB | 288GB |
| Memory Type | HBM3e | HBM3e |
| Memory Bus | 4096bit | 8192bit |
| Bandwidth | 4.10TB/s | 8.19TB/s |
| Render Config | ||
| SM Count | 132 | |
| Shading Units | 16896 | 16384 |
| TMUs | 528 | 1024 |
| ROPs | 24 | 0 |
| Tensor Cores | 528 | 1216 |
| L1 Cache | 256 KB (per SM) | 32 KB (per CU) |
| L2 Cache | 50 MB | 32 MB |
| Compute Units | 256 | |
| L3 Cache | 256 MB | |
| Theoretical Performance | ||
| Pixel Rate | 44.09 GPixel/s | 0 MPixel/s |
| Texture Rate | 969.9 GTexel/s | 2457.6 GTexel/s |
| FP16 (half) | 248.3 TFLOPS | 78.64 TFLOPS |
| FP32 (float) | 62.08 TFLOPS | 78.64 TFLOPS |
| FP64 (double) | 31.04 TFLOPS | 39.32 TFLOPS |
| Graphics Processor | ||
| GPU Name | GB100 | MI350 256CU |
| Architecture | Blackwell | CDNA 4.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 3 nm |
| Transistors | 104 billion | 185 billion |
| Die Size | Unknown | Unknown |
| Board Design | ||
| TDP | 1000W | 1400W |
| Suggested PSU | 1400 W | 1800 W |
| Outputs | No outputs | No outputs |
| Power Connectors | None | |
| Graphics Features | ||
| DirectX | N/A | N/A |
| OpenGL | N/A | N/A |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | N/A |
| CUDA | 10.0 | |
| Shader Model | N/A | N/A |