NVIDIA GeForce GT 640M LE
| General information | |
| Vendor | NVIDIA |
| Released | 2012 |
| Segment | Laptop |
| Type | DIntegratedscrete |
| Resolution | 3840 x 2160 |
| Graphics processor | |
| Architecture | Kepler |
| Core | GK107 |
| Number of GPUs | 1 |
| Lithography | 28 nm |
| Number of transistors | 1270 / 585 million |
| Die Size | 118 / 116 mm² |
| Core frequency | 500 / 750 MHz |
| Frequency of shader blocks | 500 / 1500 MHz |
| Shading Units | 384 / 96 |
| ROPs | 16 / 4 |
| TMUs | 32 / 16 |
| Pixel Rate | 8 / 3 GPixel/s |
| Texture Rate | 16 / 12 GTexel/s |
| Memory | |
| Type | DDR3 / GDDR5 |
| Capacity | до 2048 Mb |
| Frequency | 1800 / 3140 MHz |
| Bus | 128 bit |
| Bandwidth | 28.8 / 50.2 GB/s |
| Power supply | |
| TDP | 20 / 32 W |
| Supported technologies | |
| DirectX | 11.2 |
| OpenGL | 4.4 |
| OpenCL | 1.1 |
| Shader Model | 5.0 |
| Other | • NVIDIA SLI • HDCP • NVIDIA CUDA • NVIDIA PureVideo • NVIDIA PhysX • NVIDIA 3D Vision • NVIDIA Optimus |
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