Product Compare
NVIDIA H800 PCIe 80 GB vs AMD Radeon Vega 8
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2023 | Jan 2021 |
| Generation | Tesla Hopper | Cezanne |
| Type | AI GPU | Integrated |
| Bus Interface | PCIe 5.0 x16 | IGP |
| Clock Speeds | ||
| Base Clock | 1095 MHz | 300 MHz |
| Boost Clock | 1755 MHz | 2000 MHz |
| Memory Clock | 1593 MHz | System Shared |
| Memory | ||
| Memory Size | 80GB | System Shared |
| Memory Type | HBM2e | System Shared |
| Memory Bus | 5120bit | System Shared |
| Bandwidth | 2039GB/s | System Dependent |
| Render Config | ||
| SM Count | 114 | |
| Shading Units | 14592 | 512 |
| TMUs | 456 | 32 |
| ROPs | 24 | 8 |
| Tensor Cores | 456 | |
| L1 Cache | 256 KB (per SM) | |
| L2 Cache | 50 MB | |
| Compute Units | 8 | |
| Theoretical Performance | ||
| Pixel Rate | 42.12 GPixel/s | 16.00 GPixel/s |
| Texture Rate | 800.3 GTexel/s | 64.00 GTexel/s |
| FP16 (half) | 204.9 TFLOPS | 4.096 TFLOPS |
| FP32 (float) | 51.22 TFLOPS | 2.048 TFLOPS |
| FP64 (double) | 25.61 TFLOPS | 128.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | GH100 | Cezanne |
| Architecture | Hopper | GCN 5.1 |
| Foundry | TSMC | TSMC |
| Process Size | 4 nm | 7 nm |
| Transistors | 80 billion | 9.8 billion |
| Die Size | 814 mm² | 156 mm² |
| Board Design | ||
| TDP | 350W | 45W |
| Suggested PSU | 750 W | |
| Outputs | No outputs | No outputs |
| Power Connectors | 1x 16-pin | None |
| Graphics Features | ||
| DirectX | N/A | 12 (12_1) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | N/A | 1.2 |
| CUDA | 9.0 | |
| Shader Model | N/A | 6.4 |