Product Compare
NVIDIA Rubin Ultra GPU vs AMD Radeon Instinct MI300A
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2027 | Dec 2023 |
| Generation | Server Rubin | Radeon Instinct |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 6.0 x16 | PCIe 5.0 x16 |
| Clock Speeds | ||
| Base Clock | 700 MHz | 1000 MHz |
| Boost Clock | 2267 MHz | 2100 MHz |
| Memory Clock | 1900 MHz | 2525 MHz |
| Memory | ||
| Memory Size | 1024GB | 192GB |
| Memory Type | HBM4e | HBM3 |
| Memory Bus | 32768bit | 8192bit |
| Bandwidth | 31.1TB/s | 10.3TB/s |
| Render Config | ||
| SM Count | 448 | |
| Shading Units | 57344 | 19456 |
| TMUs | 1792 | 1216 |
| ROPs | 24 | 0 |
| Tensor Cores | 1792 | 1216 |
| L1 Cache | 256 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 128 MB | 16 MB |
| Compute Units | 304 | |
| L3 Cache | 256 MB | |
| Theoretical Performance | ||
| Pixel Rate | 54.41 GPixel/s | 0 MPixel/s |
| Texture Rate | 4062.5 GTexel/s | 2554 GTexel/s |
| FP16 (half) | 520.0 TFLOPS | 653.7 TFLOPS |
| FP32 (float) | 260.0 TFLOPS | 81.72 TFLOPS |
| FP64 (double) | 65.00 TFLOPS | 81.72 TFLOPS |
| Graphics Processor | ||
| GPU Name | GR110 | Aqua Vanjaram |
| Architecture | Rubin Ultra | CDNA 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 3 nm | 5 nm |
| Transistors | 670 billion | 153 billion |
| Die Size | 2912 mm² | 1017 mm² |
| Board Design | ||
| TDP | 3600W | 750W |
| Suggested PSU | 4000 W | 1150 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 | 10.7 | |
| Shader Model | N/A | N/A |