Product Compare
NVIDIA B300 SXM6 AC vs AMD Radeon R9 280
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2025 | Mar 2014 |
| Generation | Server Blackwell | Volcanic Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 6.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1665 MHz | 827 MHz |
| Boost Clock | 2032 MHz | 933 MHz |
| Memory Clock | 2000 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 288GB | 3GB |
| Memory Type | HBM3e | GDDR5 |
| Memory Bus | 8192bit | 384bit |
| Bandwidth | 8.19TB/s | 240.0GB/s |
| Render Config | ||
| SM Count | 148 | |
| Shading Units | 18944 | 1792 |
| TMUs | 592 | 112 |
| ROPs | 24 | 32 |
| Tensor Cores | 592 | |
| L1 Cache | 256 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 126 MB | 768 KB |
| Compute Units | 28 | |
| Theoretical Performance | ||
| Pixel Rate | 48.77 GPixel/s | 29.86 GPixel/s |
| Texture Rate | 1202.9 GTexel/s | 104.5 GTexel/s |
| FP16 (half) | 76.99 TFLOPS | |
| FP32 (float) | 76.99 TFLOPS | 3.344 TFLOPS |
| FP64 (double) | 1202.9 GFLOPS | 836.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB110 | Tahiti |
| Architecture | Blackwell Ultra | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 28 nm |
| Transistors | 208 billion | 4.313 billion |
| Die Size | 1628 mm² | 352 mm² |
| GPU Variant | Tahiti PRO3(215-0821330) | |
| Board Design | ||
| TDP | 1100W | 200W |
| Suggested PSU | 1500 W | 550 W |
| Outputs | No outputs | 1x DVI2x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 6-pin + 1x 8-pin | |
| Graphics Features | ||
| DirectX | N/A | 12 (11_1) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | N/A | 1.2 |
| CUDA | 10.3 | |
| Shader Model | N/A | 5.1 |