Product Compare
NVIDIA Tesla K20c vs NVIDIA RTX PRO 4500 Blackwell Workstation
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2012 | Mar 2025 |
| Generation | Tesla | Blackwell PRO W |
| Type | Professional | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 5.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1300 MHz | 1750 MHz |
| Base Clock | 1635 MHz | |
| Boost Clock | 2407 MHz | |
| Memory | ||
| Memory Size | 5GB | 32GB |
| Memory Type | GDDR5 | GDDR7 |
| Memory Bus | 320bit | 256bit |
| Bandwidth | 208.0GB/s | 896.0GB/s |
| Render Config | ||
| Shading Units | 2496 | 10496 |
| TMUs | 208 | 328 |
| ROPs | 40 | 112 |
| L1 Cache | 16 KB (per SMX) | 128 KB (per SM) |
| L2 Cache | 1280 KB | 64 MB |
| SM Count | 82 | |
| Tensor Cores | 328 | |
| RT Cores | 82 | |
| Theoretical Performance | ||
| Pixel Rate | 36.71 GPixel/s | 269.6 GPixel/s |
| Texture Rate | 146.8 GTexel/s | 789.5 GTexel/s |
| FP32 (float) | 3.524 TFLOPS | 50.53 TFLOPS |
| FP64 (double) | 1175 GFLOPS | 789.5 GFLOPS |
| FP16 (half) | 50.53 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK110 | GB203 |
| GPU Variant | GK110-885-KA-A1 | |
| Architecture | Kepler | Blackwell 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 5 nm |
| Transistors | 7.08 billion | 45.6 billion |
| Die Size | 561 mm² | 378 mm² |
| Board Design | ||
| TDP | 225W | 200W |
| Suggested PSU | 550 W | 550 W |
| Outputs | No outputs | 4x DisplayPort 2.1b |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 16-pin |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.4 |
| CUDA | 3.5 | 12.0 |
| Shader Model | 5.1 | 6.9 |