NVIDIA GeForce 945A vs NVIDIA GeForce GTX 550 Ti
What is the difference between NVIDIA GeForce 945A and NVIDIA GeForce GTX 550 Ti. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM108 | GPU Name | GF116 |
| Maxwell | Architecture | Fermi 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| unknown | Transistors | 1,170 million |
| unknown | Die Size | 238 mm² |
Graphics Card
| Mar 13th, 2015 | Release Date | Mar 15th, 2011 |
| GeForce 900A | Family | GeForce 500 |
| Active | Production | End-of-life |
| GeForce 800A | Predecessor | GeForce 400 |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 64 bit | Memory Bus | 192 bit |
| 40.10 GB/s | Bandwidth | 98.50 GB/s |
Performance
| 9.512 GPixel/s | Pixel fillrate | 7.200 GPixel/s |
| 28.54 GTexel/s | Texture fillrate | 28.80 GTexel/s |
| 913.2 GFLOPS | FP32 (float) performance | 691.2 GFLOPS |
| 28.54 GFLOPS (1:32) | FP64 (double) performance | 57.60 GFLOPS (1:12) |
Clock Speeds
| 1253 MHz 5 Gbps effective | Memory Clock | 1026 MHz 4.1 Gbps effective |
Render Config
| 384 | Shading Units | 192 |
| 24 | TMUs | 32 |
| 8 | ROPs | 24 |
| 64 KB (per SMM) | L1 Cache | 64 KB (per SM) |
| 1024 KB | L2 Cache | 384 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 33 W | Thermal design power (TDP) | 116 W |
| No outputs | Display Connectors | 2x DVI 1x mini-HDMI |
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 |