Product Compare
NVIDIA RTX 6000D vs NVIDIA RTX A4000
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jul 2025 | Apr 2021 |
| Generation | Blackwell PRO W | Quadro Ampere |
| Type | Desktop | Professional |
| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1992 MHz | 735 MHz |
| Boost Clock | 2430 MHz | 1560 MHz |
| Memory Clock | 1560 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 84GB | 16GB |
| Memory Type | GDDR7 | GDDR6 |
| Memory Bus | 448bit | 256bit |
| Bandwidth | 1.40TB/s | 448.0GB/s |
| Render Config | ||
| SM Count | 156 | 48 |
| Shading Units | 19968 | 6144 |
| TMUs | 624 | 192 |
| ROPs | 192 | 96 |
| Tensor Cores | 624 | 192 |
| RT Cores | 156 | 48 |
| L1 Cache | 128 KB (per SM) | 128 KB (per SM) |
| L2 Cache | 128 MB | 4 MB |
| Theoretical Performance | ||
| Pixel Rate | 466.6 GPixel/s | 149.8 GPixel/s |
| Texture Rate | 1516.3 GTexel/s | 299.5 GTexel/s |
| FP16 (half) | 97.04 TFLOPS | 19.17 TFLOPS |
| FP32 (float) | 97.04 TFLOPS | 19.17 TFLOPS |
| FP64 (double) | 1.516 TFLOPS | 299.5 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB202 | GA104 |
| Architecture | Blackwell 2.0 | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 5 nm | 8 nm |
| Transistors | 92.2 billion | 17.4 billion |
| Die Size | 750 mm² | 392 mm² |
| GPU Variant | GA104-875-A1 | |
| Board Design | ||
| TDP | 600W | 140W |
| Suggested PSU | 1000 W | 300 W |
| Outputs | 4x DisplayPort 2.1b | 4x DisplayPort 1.4a |
| Power Connectors | 1x 16-pin | 1x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | 1.3 |
| CUDA | 12.0 | 8.6 |
| Shader Model | 6.9 | 6.7 |