Product Compare
NVIDIA B300 SXM6 AC vs AMD Steam Machine GPU
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2025 | Jan 2026 |
| Generation | Server Blackwell | Console GPU |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 6.0 x16 | |
| Clock Speeds | ||
| Base Clock | 1665 MHz | 1720 MHz |
| Boost Clock | 2032 MHz | 2450 MHz |
| Memory Clock | 2000 MHz | 2250 MHz |
| Memory | ||
| Memory Size | 288GB | 8GB |
| Memory Type | HBM3e | GDDR6 |
| Memory Bus | 8192bit | 128bit |
| Bandwidth | 8.19TB/s | 288.0GB/s |
| Render Config | ||
| SM Count | 148 | |
| Shading Units | 18944 | 1792 |
| TMUs | 592 | 112 |
| ROPs | 24 | 64 |
| Tensor Cores | 592 | |
| L1 Cache | 256 KB (per SM) | 128 KB per Array |
| L2 Cache | 126 MB | 2 MB |
| Compute Units | 28 | |
| RT Cores | 28 | |
| L3 Cache | 32 MB | |
| Theoretical Performance | ||
| Pixel Rate | 48.77 GPixel/s | 156.8 GPixel/s |
| Texture Rate | 1202.9 GTexel/s | 274.4 GTexel/s |
| FP16 (half) | 76.99 TFLOPS | 35.12 TFLOPS |
| FP32 (float) | 76.99 TFLOPS | 17.56 TFLOPS |
| FP64 (double) | 1202.9 GFLOPS | 548.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB110 | Navi 33 |
| Architecture | Blackwell Ultra | RDNA 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 6 nm |
| Transistors | 208 billion | 13.3 billion |
| Die Size | 1628 mm² | 204 mm² |
| Board Design | ||
| TDP | 1100W | 110W |
| Suggested PSU | 1500 W | |
| Outputs | No outputs | No outputs |
| Power Connectors | None | |
| Graphics Features | ||
| DirectX | N/A | 12 Ultimate (12_2) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.2 |
| Vulkan | N/A | 1.4 |
| CUDA | 10.3 | |
| Shader Model | N/A | 6.8 |