Product Compare
NVIDIA Tesla K40s vs ATI Radeon HD 5950
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2013 | Unknown |
| Generation | Tesla Kepler | Evergreen |
| Type | Professional | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 706 MHz | |
| Boost Clock | 706 MHz | |
| Memory Clock | 1502 MHz | 1000 MHz |
| Memory | ||
| Memory Size | 12GB | 1024MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 288.4GB/s | 128.0GB/s |
| Render Config | ||
| Shading Units | 2880 | 1440 |
| TMUs | 240 | 72 |
| ROPs | 48 | 32 |
| L1 Cache | 16 KB (per SMX) | 8 KB (per CU) |
| L2 Cache | 1536 KB | 512 KB |
| Compute Units | 18 | |
| Theoretical Performance | ||
| Pixel Rate | 42.36 GPixel/s | 23.20 GPixel/s |
| Texture Rate | 169.4 GTexel/s | 52.20 GTexel/s |
| FP32 (float) | 4.067 TFLOPS | 2.088 TFLOPS |
| FP64 (double) | 1355.5 GFLOPS | |
| Graphics Processor | ||
| GPU Name | GK110B | Hemlock |
| Architecture | Kepler | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 40 nm |
| Transistors | 7.08 billion | 2.154 billion |
| Die Size | 561 mm² | 334 mm² |
| GPU Variant | Hemlock PRO(215-0735443) | |
| Board Design | ||
| TDP | 245W | 302W |
| Suggested PSU | 550 W | 700 W |
| Outputs | No outputs | 2x DVI1x mini-DisplayPort 1.1 |
| Power Connectors | 1x 6-pin + 1x 8-pin | |
| Graphics Features | ||
| DirectX | 12 (11_1) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.2.175 | N/A |
| CUDA | 3.5 | |
| Shader Model | 6.5 (5.1) | 5.0 |