NVIDIA GeForce 945M vs NVIDIA GeForce GT 650M Mac Edition
What is the difference between NVIDIA GeForce 945M and NVIDIA GeForce GT 650M Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM107 | GPU Name | GK107 |
| Maxwell | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,870 million | Transistors | 1,270 million |
| 148 mm² | Die Size | 118 mm² |
Graphics Card
| Oct 27th, 2015 | Release Date | Jul 12th, 2012 |
| GeForce 900M | Family | GeForce 600M |
| Active | Production | End-of-life |
| GeForce 800M | Predecessor | GeForce 500M |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 512 MB |
| DDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 28.80 GB/s | Bandwidth | 80.26 GB/s |
Performance
| 16.32 GPixel/s | Pixel fillrate | 7.200 GPixel/s |
| 40.80 GTexel/s | Texture fillrate | 28.80 GTexel/s |
| 1,306 GFLOPS | FP32 (float) performance | 691.2 GFLOPS |
| 40.80 GFLOPS (1:32) | FP64 (double) performance | 28.80 GFLOPS (1:24) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 1254 MHz 5 Gbps effective |
Render Config
| 640 | Shading Units | 384 |
| 40 | TMUs | 32 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per SMX) |
| 2 MB | L2 Cache | 256 KB |
Board Design
| 75 W | Thermal design power (TDP) | 45 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 |