Product Compare
NVIDIA Tesla K40s vs NVIDIA GeForce GTX 950 OEM
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2013 | Jan 2016 |
| Generation | Tesla Kepler | GeForce 900 |
| Type | Professional | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 706 MHz | 937 MHz |
| Boost Clock | 706 MHz | 1203 MHz |
| Memory Clock | 1502 MHz | 1253 MHz |
| Memory | ||
| Memory Size | 12GB | 4GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384bit | 128bit |
| Bandwidth | 288.4GB/s | 80.19GB/s |
| Render Config | ||
| Shading Units | 2880 | 1024 |
| TMUs | 240 | 64 |
| ROPs | 48 | 32 |
| L1 Cache | 16 KB (per SMX) | 48 KB (per SMM) |
| L2 Cache | 1536 KB | 1024 KB |
| Theoretical Performance | ||
| Pixel Rate | 42.36 GPixel/s | 38.50 GPixel/s |
| Texture Rate | 169.4 GTexel/s | 76.99 GTexel/s |
| FP32 (float) | 4.067 TFLOPS | 2.464 TFLOPS |
| FP64 (double) | 1355.5 GFLOPS | 76.99 GFLOPS |
| Graphics Processor | ||
| GPU Name | GK110B | GM206S |
| Architecture | Kepler | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 7.08 billion | 2.94 billion |
| Die Size | 561 mm² | 228 mm² |
| GPU Variant | 950 OEM | |
| Board Design | ||
| TDP | 245W | Unknown |
| Suggested PSU | 550 W | 200 W |
| Outputs | No outputs | No outputs |
| Power Connectors | None | |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 (12_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2.175 | 1.3 |
| CUDA | 3.5 | 5.2 |
| Shader Model | 6.5 (5.1) | 6.7 |