Product Compare
NVIDIA A800 PCIe 40 GB vs NVIDIA B200 SXM 192 GB
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2022 | Jan 2024 |
| Generation | Ampere | Server Blackwell |
| Type | AI GPU | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| Clock Speeds | ||
| Base Clock | 765 MHz | 1665 MHz |
| Boost Clock | 1410 MHz | 1837 MHz |
| Memory Clock | 1215 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 40GB | 96GB |
| Memory Type | HBM2e | HBM3e |
| Memory Bus | 5120bit | 4096bit |
| Bandwidth | 1555GB/s | 4.10TB/s |
| Render Config | ||
| SM Count | 108 | 132 |
| Shading Units | 6912 | 16896 |
| TMUs | 432 | 528 |
| ROPs | 160 | 24 |
| Tensor Cores | 432 | 528 |
| L1 Cache | 192 KB (per SM) | 256 KB (per SM) |
| L2 Cache | 40 MB | 50 MB |
| Theoretical Performance | ||
| Pixel Rate | 225.6 GPixel/s | 44.09 GPixel/s |
| Texture Rate | 609.1 GTexel/s | 969.9 GTexel/s |
| FP16 (half) | 77.97 TFLOPS | 248.3 TFLOPS |
| FP32 (float) | 19.49 TFLOPS | 62.08 TFLOPS |
| FP64 (double) | 9.746 TFLOPS | 31.04 TFLOPS |
| Graphics Processor | ||
| GPU Name | GA100 | GB100 |
| Architecture | Ampere | Blackwell |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 5 nm |
| Transistors | 54.2 billion | 104 billion |
| Die Size | 826 mm² | Unknown |
| Board Design | ||
| TDP | 250W | 1000W |
| Suggested PSU | 600 W | 1400 W |
| Outputs | No outputs | No outputs |
| Power Connectors | 8-pin EPS | |
| Graphics Features | ||
| DirectX | N/A | N/A |
| OpenGL | N/A | N/A |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | N/A |
| CUDA | 8.0 | 10.0 |
| Shader Model | N/A | N/A |