NVIDIA GRID K140Q vs NVIDIA Quadro K420
Graphics Processor
| GPU model | GK107 | GK107 |
|---|---|---|
| Architecture | Kepler | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 1,270 million | 1,270 million |
| Die size | 118 mm² | 118 mm² |
| GPU variant | — | GK107-301-A2 |
Graphics Card
| Release date | Jun 28th, 2013 | Jul 22nd, 2014 |
|---|---|---|
| Generation | GRID | Quadro |
| Production | End-of-life | End-of-life |
| Launch price | 125 USD | — |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Reviews | — | 26 in our database |
Clocks
| GPU clock | 850 MHz | 876 MHz |
|---|---|---|
| Memory clock | 891 MHz 1782 Mbps effective | 891 MHz 1782 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 28.51 GB/s | 28.51 GB/s |
Render Configuration
| Shading units | 192 | 192 |
|---|---|---|
| TMUs | 16 | 16 |
| ROPs | 16 | 16 |
| SMX count | 1 | 1 |
| Cache L1 | 16 KB (per SMX) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
Performance
| Pixel rate | 3.400 GPixel/s | 3.504 GPixel/s |
|---|---|---|
| Texture rate | 13.60 GTexel/s | 14.02 GTexel/s |
| FP32 (float) performance | 326.4 GFLOPS | 336.4 GFLOPS |
| FP64 (double) performance | 13.60 GFLOPS (1:24) | 14.02 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | 130 W | 41 W |
| Suggested PSU | 300 W | 200 W |
| Outputs | No outputs | 1x DVI1x DisplayPort |
| Length | — | 160 mm 6.3 inches |
| Width | — | 69 mm 2.7 inches |
| Power connectors | — | None |
| Board number | — | P2012 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 3.0 | 3.0 |
| Shader model | 5.1 | 5.1 |
