The Gainward GeForce GT 640 2GB graphics card is a mid-end card with a base clock speed of 900MHz and a memory clock speed of 891MHz. It has 384 Cuda cores, 2GB of GDDR memory, an effective memory clock speed of 1782MHz, a 128bit memory bus and a bandwidth of 28.5GB/s. Support for DirectX 11, OpenGL 4.3, OpenCL 1.1 and PCI Express 3 is included. With a size of 150mm by 111mm, it has a TDP of 65W and is made with a 28nm process.
Gainward GeForce GT 640 2GB – specs
| Clock speeds |
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| Base clock speed: | 900MHz |
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| Boost clock speed: | no data |
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| Memory clock speed: | 891MHz |
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| Effective memory clock speed: | 1782MHz |
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| Memory |
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| Memory size: | 2GB |
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| Memory type: | no data |
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| Memory Bus: | 128bit |
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| Bandwidth: | 28.5 GB/s |
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| Graphics features |
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| DirectX: | 11 |
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| OpenGL: | 4.3 |
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| OpenCL: | 1.1 |
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| Card details |
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| Process size: | 28 nm |
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| Cuda cores: | 384 |
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| TDP: | 65W |
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| Width: | 150mm |
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| Height: | 111mm |
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| PCI Express version: | 3 |
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