Product Compare
NVIDIA A800 PCIe 80 GB vs AMD Radeon RX 455 OEM
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2022 | Jun 2016 |
| Generation | Ampere | Arctic Islands |
| Type | AI GPU | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1065 MHz | |
| Boost Clock | 1410 MHz | |
| Memory Clock | 1593 MHz | 1625 MHz |
| Memory | ||
| Memory Size | 80GB | 2GB |
| Memory Type | HBM2e | GDDR5 |
| Memory Bus | 5120bit | 128bit |
| Bandwidth | 2039GB/s | 104.0GB/s |
| Render Config | ||
| SM Count | 108 | |
| Shading Units | 6912 | 768 |
| TMUs | 432 | 48 |
| ROPs | 160 | 16 |
| Tensor Cores | 432 | |
| L1 Cache | 192 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 80 MB | 256 KB |
| Compute Units | 12 | |
| Theoretical Performance | ||
| Pixel Rate | 225.6 GPixel/s | 16.80 GPixel/s |
| Texture Rate | 609.1 GTexel/s | 50.40 GTexel/s |
| FP16 (half) | 77.97 TFLOPS | |
| FP32 (float) | 19.49 TFLOPS | 1.613 TFLOPS |
| FP64 (double) | 9.746 TFLOPS | 100.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA100 | Tobago |
| Architecture | Ampere | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 28 nm |
| Transistors | 54.2 billion | 2.08 billion |
| Die Size | 826 mm² | 160 mm² |
| GPU Variant | Tobago PRO(215-0875010) | |
| Board Design | ||
| TDP | 250W | 100W |
| Suggested PSU | 600 W | 300 W |
| Outputs | No outputs | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 8-pin EPS | 1x 6-pin |
| Graphics Features | ||
| DirectX | N/A | 12 (12_0) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | N/A | 1.2 |
| CUDA | 8.0 | |
| Shader Model | N/A | 6.3 |