Product Compare
AMD Radeon RX 6800 vs NVIDIA A800 PCIe 40 GB
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2020 | Nov 2022 |
| Generation | Navi II | Ampere |
| Type | Desktop | AI GPU |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1700 MHz | 765 MHz |
| Boost Clock | 2105 MHz | 1410 MHz |
| Memory Clock | 2000 MHz | 1215 MHz |
| Memory | ||
| Memory Size | 16GB | 40GB |
| Memory Type | GDDR6 | HBM2e |
| Memory Bus | 256bit | 5120bit |
| Bandwidth | 512.0GB/s | 1555GB/s |
| Render Config | ||
| Compute Units | 60 | |
| Shading Units | 3840 | 6912 |
| TMUs | 240 | 432 |
| ROPs | 96 | 160 |
| RT Cores | 60 | |
| L1 Cache | 128 KB per Array | 192 KB (per SM) |
| L2 Cache | 4 MB | 40 MB |
| L3 Cache | 128 MB | |
| SM Count | 108 | |
| Tensor Cores | 432 | |
| Theoretical Performance | ||
| Pixel Rate | 202.1 GPixel/s | 225.6 GPixel/s |
| Texture Rate | 505.2 GTexel/s | 609.1 GTexel/s |
| FP16 (half) | 32.33 TFLOPS | 77.97 TFLOPS |
| FP32 (float) | 16.17 TFLOPS | 19.49 TFLOPS |
| FP64 (double) | 1010 GFLOPS | 9.746 TFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | GA100 |
| GPU Variant | Navi 21 XL(215-121000187) | |
| Architecture | RDNA 2.0 | Ampere |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 7 nm |
| Transistors | 26.8 billion | 54.2 billion |
| Die Size | 520 mm² | 826 mm² |
| Board Design | ||
| TDP | 250W | 250W |
| Suggested PSU | 600 W | 600 W |
| Outputs | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C | No outputs |
| Power Connectors | 2x 8-pin | 8-pin EPS |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | N/A |
| Shader Model | 6.5 | N/A |
| CUDA | 8.0 | |