NVIDIA GRID K140Q vs NVIDIA Quadro K420
What is the difference between NVIDIA GRID K140Q and NVIDIA Quadro K420. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | GK107 |
| Kepler | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,270 million | Transistors | 1,270 million |
| 118 mm² | Die Size | 118 mm² |
Graphics Card
| Jun 28th, 2013 | Release Date | Jul 22nd, 2014 |
| GRID (K1) | Family | Quadro (Kx200) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| DDR3 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 28.51 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 3.400 GPixel/s | Pixel fillrate | 3.504 GPixel/s |
| 13.60 GTexel/s | Texture fillrate | 14.02 GTexel/s |
| 326.4 GFLOPS | FP32 (float) performance | 336.4 GFLOPS |
| 13.60 GFLOPS (1:24) | FP64 (double) performance | 14.02 GFLOPS (1:24) |
Clock Speeds
| 891 MHz 1782 Mbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
| 850 MHz | GPU Clock | 876 MHz |
Render Config
| 192 | Shading Units | 192 |
| 16 | TMUs | 16 |
| 16 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| IGP | Slot Width | Single-slot |
| 130 W | Thermal design power (TDP) | 41 W |
| 300 W | Suggested PSU | 200 W |
| No outputs | Display Connectors | 1x DVI 1x DisplayPort |
API support
| 12 (11_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 3.0 |
| 1.1 | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |
| 3.0 | CUDA | 3.0 |