NVIDIA Quadro K620 vs NVIDIA Quadro 4000M
What is the difference between NVIDIA Quadro K620 and NVIDIA Quadro 4000M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM107 | GPU Name | GF104 |
| GM107-850-A2 | Model number | N12E-Q3-A1 |
| Maxwell | Architecture | Fermi |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 1,870 million | Transistors | 1,950 million |
| 148 mm² | Die Size | 332 mm² |
Graphics Card
| Jul 22nd, 2014 | Release Date | Feb 22nd, 2011 |
| Quadro (Kx200) | Family | Quadro Mobile (x000M) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | MXM-B (3.0) |
Memory
| 2 GB | Memory Size | 2 GB |
| DDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit |
| 28.80 GB/s | Bandwidth | 80.00 GB/s |
Performance
| 17.98 GPixel/s | Pixel fillrate | 6.650 GPixel/s |
| 26.98 GTexel/s | Texture fillrate | 26.60 GTexel/s |
| 863.2 GFLOPS | FP32 (float) performance | 638.4 GFLOPS |
| 26.98 GFLOPS (1:32) | FP64 (double) performance | 53.20 GFLOPS (1:12) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 625 MHz 2.5 Gbps effective |
Render Config
| 384 | Shading Units | 336 |
| 24 | TMUs | 56 |
| 16 | ROPs | 32 |
| 64 KB (per SMM) | L1 Cache | 64 KB (per SM) |
| 2 MB | L2 Cache | 512 KB |
Board Design
| Single-slot | Slot Width | MXM Module |
| 45 W | Thermal design power (TDP) | 100 W |
| 1x DVI 1x DisplayPort | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 1.1 |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 5.1 |
| 5.0 | CUDA | 2.1 |