Product Compare
NVIDIA A40 PCIe vs NVIDIA TITAN X Pascal
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2020 | Aug 2016 |
| Generation | Tesla | GeForce 10 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1305 MHz | 1417 MHz |
| Boost Clock | 1740 MHz | 1531 MHz |
| Memory Clock | 1812 MHz | 1251 MHz |
| Memory | ||
| Memory Size | 48GB | 12GB |
| Memory Type | GDDR6 | GDDR5X |
| Memory Bus | 384bit | 384bit |
| Bandwidth | 695.8GB/s | 480.4GB/s |
| Render Config | ||
| SM Count | 84 | 28 |
| Shading Units | 10752 | 3584 |
| TMUs | 336 | 224 |
| ROPs | 112 | 96 |
| Tensor Cores | 336 | |
| RT Cores | 84 | |
| L1 Cache | 128 KB (per SM) | 48 KB (per SM) |
| L2 Cache | 6 MB | 3 MB |
| Theoretical Performance | ||
| Pixel Rate | 194.9 GPixel/s | 147.0 GPixel/s |
| Texture Rate | 584.6 GTexel/s | 342.9 GTexel/s |
| FP16 (half) | 37.42 TFLOPS | 171.5 GFLOPS |
| FP32 (float) | 37.42 TFLOPS | 10.97 TFLOPS |
| FP64 (double) | 584.6 GFLOPS | 342.9 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA102 | GP102 |
| Architecture | Ampere | Pascal |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 16 nm |
| Transistors | 28.3 billion | 11.8 billion |
| Die Size | 628 mm² | 471 mm² |
| GPU Variant | GP102-400-A1 | |
| Board Design | ||
| TDP | 300W | 250W |
| Suggested PSU | 700 W | 600 W |
| Outputs | 3x DisplayPort 1.4a | 1x DVI1x HDMI 2.03x DisplayPort 1.4a |
| Power Connectors | 8-pin EPS | 1x 6-pin + 1x 8-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| CUDA | 8.6 | 6.1 |
| Shader Model | 6.6 | 6.4 |