NVIDIA GeForce GT 640 OEM videocard review
GeForce GT 640 OEM videocard released by NVIDIA; release date: 24 April 2012. The videocard is designed for desktop-computers and based on Kepler microarchitecture codenamed GK107.
Core clock speed - 797 MHz. Texture fill rate - 25.5 GTexel / s. Pipelines - 384. Floating-point performance - 612.1 gflops. Manufacturing process technology - 28 nm. Transistors count - 1,270 million. Power consumption (TDP) - 50 Watt.
Memory type: DDR3. Maximum RAM amount - 2 GB. Memory bus width - 128 Bit. Memory clock speed - 1782 MHz. Memory bandwidth - 28.51 GB / s.
Benchmarks
| CompuBench 1.5 Desktop Face Detection |
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| CompuBench 1.5 Desktop Ocean Surface Simulation |
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| CompuBench 1.5 Desktop T-Rex |
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| CompuBench 1.5 Desktop Video Composition |
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| CompuBench 1.5 Desktop Bitcoin Mining |
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| GFXBench 4.0 Car Chase Offscreen |
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| GFXBench 4.0 Manhattan |
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| GFXBench 4.0 T-Rex |
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| GFXBench 4.0 Car Chase Offscreen |
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| GFXBench 4.0 Manhattan |
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| GFXBench 4.0 T-Rex |
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| Name | Value |
|---|---|
| CompuBench 1.5 Desktop - Face Detection | 9.932 mPixels/s |
| CompuBench 1.5 Desktop - Ocean Surface Simulation | 254.345 Frames/s |
| CompuBench 1.5 Desktop - T-Rex | 1.140 Frames/s |
| CompuBench 1.5 Desktop - Video Composition | 13.613 Frames/s |
| CompuBench 1.5 Desktop - Bitcoin Mining | 15.320 mHash/s |
| GFXBench 4.0 - Car Chase Offscreen | 1502 Frames |
| GFXBench 4.0 - Manhattan | 2167 Frames |
| GFXBench 4.0 - T-Rex | 3334 Frames |
| GFXBench 4.0 - Car Chase Offscreen | 1502.000 Fps |
| GFXBench 4.0 - Manhattan | 2167.000 Fps |
| GFXBench 4.0 - T-Rex | 3334.000 Fps |
Specifications (specs)
Essentials |
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| Architecture | Kepler |
| Code name | GK107 |
| Launch date | 24 April 2012 |
| Place in performance rating | 1381 |
| Type | Desktop |
Technical info |
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| Core clock speed | 797 MHz |
| Floating-point performance | 612.1 gflops |
| Manufacturing process technology | 28 nm |
| Pipelines | 384 |
| Texture fill rate | 25.5 GTexel / s |
| Thermal Design Power (TDP) | 50 Watt |
| Transistor count | 1,270 million |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort |
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x16 |
| Length | 145 mm |
| Supplementary power connectors | None |
API support |
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| DirectX | 12.0 (11_0) |
| OpenGL | 4.6 |
Memory |
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| Maximum RAM amount | 2 GB |
| Memory bandwidth | 28.51 GB / s |
| Memory bus width | 128 Bit |
| Memory clock speed | 1782 MHz |
| Memory type | DDR3 |
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