NVIDIA GeForce 945A vs NVIDIA GeForce 940M
What is the difference between NVIDIA GeForce 945A and NVIDIA GeForce 940M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | GM108 |
| Maxwell | Architecture | Maxwell |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| unknown | Transistors | unknown |
| unknown | Die Size | unknown |
Graphics Card
| Mar 13th, 2015 | Release Date | Mar 13th, 2015 |
| GeForce 900A | Family | GeForce 900M |
| Active | Production | Active |
| GeForce 800A | Predecessor | GeForce 800M |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 64 bit | Memory Bus | 64 bit |
| 40.10 GB/s | Bandwidth | 14.40 GB/s |
Performance
| 9.512 GPixel/s | Pixel fillrate | 9.408 GPixel/s |
| 28.54 GTexel/s | Texture fillrate | 28.22 GTexel/s |
| 913.2 GFLOPS | FP32 (float) performance | 903.2 GFLOPS |
| 28.54 GFLOPS (1:32) | FP64 (double) performance | 28.22 GFLOPS (1:32) |
Clock Speeds
| 1006 MHz | Base Clock | 1072 MHz |
| 1189 MHz | Boost Clock | 1176 MHz |
| 1253 MHz 5 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 24 |
| 8 | ROPs | 8 |
| 64 KB (per SMM) | L1 Cache | 64 KB (per SMM) |
| 1024 KB | L2 Cache | 1024 KB |
Board Design
| MXM Module | Slot Width | MXM Module |
| 33 W | Thermal design power (TDP) | 33 W |
| No outputs | Display Connectors | No outputs |
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 |