NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce GT 640
What is the difference between NVIDIA GeForce GT 650M Mac Edition and NVIDIA GeForce GT 640. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | GK107 |
| N13P-GT-W-A2 | Model number | GK107-300-A2 |
| Kepler | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,270 million | Transistors | 1,270 million |
| 118 mm² | Die Size | 118 mm² |
Graphics Card
| Jul 12th, 2012 | Release Date | Jun 5th, 2012 |
| GeForce 600M | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| GeForce 500M | Predecessor | GeForce 500 |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 512 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 80.26 GB/s | Bandwidth | 28.51 GB/s |
Performance
| 7.200 GPixel/s | Pixel fillrate | 7.216 GPixel/s |
| 28.80 GTexel/s | Texture fillrate | 28.86 GTexel/s |
| 691.2 GFLOPS | FP32 (float) performance | 692.7 GFLOPS |
| 28.80 GFLOPS (1:24) | FP64 (double) performance | 28.86 GFLOPS (1:24) |
Clock Speeds
| 1254 MHz 5 Gbps effective | Memory Clock | 891 MHz 1782 Mbps effective |
| 900 MHz | GPU Clock | 902 MHz |
Render Config
| 384 | Shading Units | 384 |
| 32 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 45 W | Thermal design power (TDP) | 65 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 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 |
| 3.0 | CUDA | 3.0 |