Product Compare
NVIDIA Tesla K40t vs NVIDIA RTX A4000 Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2013 | Apr 2021 |
| Generation | Tesla Kepler | Ampere-MW |
| Type | Professional | Professional |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 745 MHz | 1140 MHz |
| Boost Clock | 876 MHz | 1680 MHz |
| Memory Clock | 1502 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 12GB | 8GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 288.4GB/s | 384.0GB/s |
| Render Config | ||
| Shading Units | 2880 | 5120 |
| TMUs | 240 | 160 |
| ROPs | 48 | 80 |
| L1 Cache | 16 KB (per SMX) | 128 KB (per SM) |
| L2 Cache | 1536 KB | 4 MB |
| SM Count | 40 | |
| Tensor Cores | 160 | |
| RT Cores | 40 | |
| Theoretical Performance | ||
| Pixel Rate | 52.56 GPixel/s | 134.4 GPixel/s |
| Texture Rate | 210.2 GTexel/s | 268.8 GTexel/s |
| FP32 (float) | 5.046 TFLOPS | 17.20 TFLOPS |
| FP64 (double) | 1.682 TFLOPS | 268.8 GFLOPS |
| FP16 (half) | 17.20 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK110B | GA104 |
| Architecture | Kepler | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 28 nm | 8 nm |
| Transistors | 7.08 billion | 17.4 billion |
| Die Size | 561 mm² | 392 mm² |
| Board Design | ||
| TDP | 245W | 115W |
| Suggested PSU | 550 W | |
| Outputs | No outputs | Portable Device Dependent |
| Power Connectors | None | |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2.175 | 1.3 |
| CUDA | 3.5 | 8.6 |
| Shader Model | 6.5 (5.1) | 6.8 |