Product Compare
NVIDIA RTX PRO 4000 Blackwell vs NVIDIA RTX A4000 Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2025 | Apr 2021 |
| Generation | Blackwell PRO W | Ampere-MW |
| Type | Desktop | Professional |
| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1230 MHz | 1140 MHz |
| Boost Clock | 2055 MHz | 1680 MHz |
| Memory Clock | 1750 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 24GB | 8GB |
| Memory Type | GDDR7 | GDDR6 |
| Memory Bus | 192bit | 256bit |
| Bandwidth | 672.0GB/s | 384.0GB/s |
| Render Config | ||
| SM Count | 70 | 40 |
| Shading Units | 8960 | 5120 |
| TMUs | 280 | 160 |
| ROPs | 96 | 80 |
| Tensor Cores | 280 | 160 |
| RT Cores | 70 | 40 |
| L1 Cache | 128 KB (per SM) | 128 KB (per SM) |
| L2 Cache | 48 MB | 4 MB |
| Theoretical Performance | ||
| Pixel Rate | 197.3 GPixel/s | 134.4 GPixel/s |
| Texture Rate | 575.4 GTexel/s | 268.8 GTexel/s |
| FP16 (half) | 36.83 TFLOPS | 17.20 TFLOPS |
| FP32 (float) | 36.83 TFLOPS | 17.20 TFLOPS |
| FP64 (double) | 575.4 GFLOPS | 268.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB203 | GA104 |
| Architecture | Blackwell 2.0 | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 5 nm | 8 nm |
| Transistors | 45.6 billion | 17.4 billion |
| Die Size | 378 mm² | 392 mm² |
| Board Design | ||
| TDP | 140W | 115W |
| Suggested PSU | 300 W | |
| Outputs | 4x DisplayPort 2.1b | Portable Device Dependent |
| Power Connectors | 1x 16-pin | None |
| 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 | 6.8 | 6.8 |