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GeForce GT 640 DDR3
| Model
| GeForce GT 640 DDR3 |
| Year
| June 2012 |
| Code Name
| GK107 |
| Fab Process
| 28 nm |
| Transistors
| 1300 million |
| Bus
| PCIe 3.0 x16 |
| Memory
| 2048 MB |
| Core Speed
| 900 MHz |
| Cores
| 1 |
| Memory Speed
| 3564 MHz |
| Unified Shaders
| 384 |
| Texture Mapping Units
| 32 |
| Render Output Units
| 16 |
| Bus Type
| DDR3 |
| Bus Width
| 128-bit |
| Direct X Version
| 11.0 |
| OpenGL Version
| 4.2 |
| Power (Max TDP)
| 65 Watts |
| Bandwidth
| 57024 MB/sec |
| Texel Rate
| 28800 Mtexels/sec |
| Pixel Rate
| 14400 Mpixels/sec |
Prices
Amazon.com
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