Product Compare
NVIDIA A800 PCIe 40 GB vs NVIDIA Tesla K40t
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2022 | Nov 2013 |
| Generation | Ampere | Tesla Kepler |
| Type | AI GPU | Professional |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 765 MHz | 745 MHz |
| Boost Clock | 1410 MHz | 876 MHz |
| Memory Clock | 1215 MHz | 1502 MHz |
| Memory | ||
| Memory Size | 40GB | 12GB |
| Memory Type | HBM2e | GDDR5 |
| Memory Bus | 5120bit | 384bit |
| Bandwidth | 1555GB/s | 288.4GB/s |
| Render Config | ||
| SM Count | 108 | |
| Shading Units | 6912 | 2880 |
| TMUs | 432 | 240 |
| ROPs | 160 | 48 |
| Tensor Cores | 432 | |
| L1 Cache | 192 KB (per SM) | 16 KB (per SMX) |
| L2 Cache | 40 MB | 1536 KB |
| Theoretical Performance | ||
| Pixel Rate | 225.6 GPixel/s | 52.56 GPixel/s |
| Texture Rate | 609.1 GTexel/s | 210.2 GTexel/s |
| FP16 (half) | 77.97 TFLOPS | |
| FP32 (float) | 19.49 TFLOPS | 5.046 TFLOPS |
| FP64 (double) | 9.746 TFLOPS | 1.682 TFLOPS |
| Graphics Processor | ||
| GPU Name | GA100 | GK110B |
| Architecture | Ampere | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 28 nm |
| Transistors | 54.2 billion | 7.08 billion |
| Die Size | 826 mm² | 561 mm² |
| Board Design | ||
| TDP | 250W | 245W |
| Suggested PSU | 600 W | 550 W |
| Outputs | No outputs | No outputs |
| Power Connectors | 8-pin EPS | |
| Graphics Features | ||
| DirectX | N/A | 12 (11_1) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | 1.2.175 |
| CUDA | 8.0 | 3.5 |
| Shader Model | N/A | 6.5 (5.1) |