NVIDIA GeForce 845M vs NVIDIA Quadro K620
What is the difference between NVIDIA GeForce 845M and NVIDIA Quadro K620. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | GM107 |
| Maxwell | Architecture | Maxwell |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| unknown | Transistors | 1,870 million |
| unknown | Die Size | 148 mm² |
Graphics Card
| Aug 26th, 2015 | Release Date | Jul 22nd, 2014 |
| GeForce 800M | Family | Quadro (Kx200) |
| Active | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 64 bit | Memory Bus | 128 bit |
| 40.10 GB/s | Bandwidth | 28.80 GB/s |
Performance
| 18.82 GPixel/s | Pixel fillrate | 17.98 GPixel/s |
| 37.63 GTexel/s | Texture fillrate | 26.98 GTexel/s |
| 903.2 GFLOPS | FP32 (float) performance | 863.2 GFLOPS |
| 28.22 GFLOPS (1:32) | FP64 (double) performance | 26.98 GFLOPS (1:32) |
Clock Speeds
| 1071 MHz | Base Clock | 1058 MHz |
| 1176 MHz | Boost Clock | 1124 MHz |
| 1253 MHz 5 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 384 | Shading Units | 384 |
| 32 | TMUs | 24 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 64 KB (per SMM) |
| 1024 KB | L2 Cache | 2 MB |
Board Design
| IGP | Slot Width | Single-slot |
| 33 W | Thermal design power (TDP) | 45 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 |
| 5.0 | CUDA | 5.0 |