1 · NVIDIA
NVIDIA GeForce GT 640M2 GBDDR3
Hardware comparison
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Specifications
Technical comparison
| Specification | NVIDIA GeForce GT 640M |
|---|---|
| Overview | |
| Manufacturer | NVIDIA |
| Family | GeForce 600M |
| Launch date | 2012-03-22 |
| Architecture | |
| Architecture | Kepler |
| Generation | GeForce 600M |
| GPU / chip | GK107 |
| Foundry | TSMC |
| Process | 28 nm |
| Compute | |
| Shader processors | 384 |
| Memory | |
| VRAM | 2 GB |
| Memory type | DDR3 |
| Memory bus | 128 bit |
| Memory bandwidth | 28.8 GB/s |
| Clocks | |
| Base clock | 0.62 GHz |
| Boost clock | 0.71 GHz |
| Memory clock | 0.90 GHz |
| PCIe | |
| Bus interface | PCIe 3.0 x16 |
| Power | |
| Board power | 32 W |
| Physical | |
| Slot width | IGP |
References