NVIDIA GeForce 945A vs NVIDIA GeForce GT 745A
What is the difference between NVIDIA GeForce 945A and NVIDIA GeForce GT 745A. Find out which graphics card has better performance.
Benchmarks
| 1852 | PassMark G3D | 1144 |
| 716 | PassMark G2D | 748 |
Graphics Processor (GPU)
| GM108 | GPU Name | GK107 |
| Maxwell | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| unknown | Transistors | 1,270 million |
| unknown | Die Size | 118 mm² |
Graphics Card
| Mar 13th, 2015 | Release Date | Aug 26th, 2013 |
| GeForce 900A | Family | GeForce 700A |
| Active | Production | End-of-life |
| GeForce 800A | Predecessor | GeForce 600A |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 64 bit | Memory Bus | 128 bit |
| 40.10 GB/s | Bandwidth | 28.80 GB/s |
Performance
| 9.512 GPixel/s | Pixel fillrate | 7.320 GPixel/s |
| 28.54 GTexel/s | Texture fillrate | 29.28 GTexel/s |
| 913.2 GFLOPS | FP32 (float) performance | 702.7 GFLOPS |
| 28.54 GFLOPS (1:32) | FP64 (double) performance | 29.28 GFLOPS (1:24) |
Clock Speeds
| 1006 MHz | Base Clock | 837 MHz |
| 1189 MHz | Boost Clock | 915 MHz |
| 1253 MHz 5 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 32 |
| 8 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per SMX) |
| 1024 KB | L2 Cache | 256 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 | 3.0 |