GeForce GT 640
| Manufacturer: | NVIDIA |
| Series: | GeForce 600 |
| Codename: | GK107 |
| Release date: | 2012. June 04. |
| Die count: | 1 |
| Die size: | 118 mm2 |
| Fab: | 28 nm |
| Transistors: | 1300 millions |
| Bus interface: | PCI-E 3.0 x16 |
Clock rates
| Core clock: | 900 MHz |
| Shader clock: | 900 MHz |
| Memory clock: | 891 MHz |
| Effective memory clock (DDR): | 7128 MHz |
Memory
| Memory size: | 4096, 2048 MB |
| Memory bus type: | DDR3 |
| Memory bus width: | 128 bit |
| Memory bandwidth (maximum): | 28.5 GB/s |
Core units
| Unified shader units: | 384 |
| Texture mapping units (TMU): | 32 |
| Render output units (ROP): | 16 |
| SM count: | 2 |
Supported Technologies:
| DirectX: | 11 | ||
| OpenGL: | 4.5 | ||
| OpenCL: | 1.1 | ||
| NVIDIA Surround, NVIDIA FXAA Technology, NVIDIA Adaptive Vertical Sync | |||
| Versions: | - GDDR5, 64 bit, Core Clock: 1046 MHz |
Performance
| Pixel fillrate: | 14.4 (GP/s) |
| Texture fillrate: | 28.8 (GT/s) |
| Thermal Design Power (TDP,Max): | 65 W |
| Release price (USD): | 100 USD |
Comments: 2
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captaindoom
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10 years ago | 2015. 07. 23. 14:46:54No expensive
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Chester 21
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10 years ago | 2015. 07. 23. 10:19:00GT740 is better and cheaper
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