Product Compare
NVIDIA Tesla K20c vs AMD Radeon RX 6800 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2012 | Oct 2020 |
| Generation | Tesla | Navi II |
| Type | Professional | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1300 MHz | 2000 MHz |
| Base Clock | 1825 MHz | |
| Boost Clock | 2250 MHz | |
| Memory | ||
| Memory Size | 5GB | 16GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 320bit | 256bit |
| Bandwidth | 208.0GB/s | 512.0GB/s |
| Render Config | ||
| Shading Units | 2496 | 4608 |
| TMUs | 208 | 288 |
| ROPs | 40 | 128 |
| L1 Cache | 16 KB (per SMX) | 128 KB per Array |
| L2 Cache | 1280 KB | 4 MB |
| Compute Units | 72 | |
| RT Cores | 72 | |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 36.71 GPixel/s | 288.0 GPixel/s |
| Texture Rate | 146.8 GTexel/s | 648.0 GTexel/s |
| FP32 (float) | 3.524 TFLOPS | 20.74 TFLOPS |
| FP64 (double) | 1175 GFLOPS | 1296 GFLOPS |
| FP16 (half) | 41.47 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK110 | Navi 21 |
| GPU Variant | GK110-885-KA-A1 | Navi 21 XT(215-121000177) |
| Architecture | Kepler | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 7 nm |
| Transistors | 7.08 billion | 26.8 billion |
| Die Size | 561 mm² | 520 mm² |
| Board Design | ||
| TDP | 225W | 300W |
| Suggested PSU | 550 W | 700 W |
| Outputs | No outputs | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.1 | 1.3 |
| CUDA | 3.5 | |
| Shader Model | 5.1 | 6.5 |