NVIDIA GeForce GT 640 Rev. 2 videocard review
GeForce GT 640 Rev. 2 videocard released by NVIDIA; release date: 29 May 2013. At the time of release, the videocard cost $89. The videocard is designed for desktop-computers and based on Kepler 2.0 microarchitecture codenamed GK208.
Core clock speed - 1046 MHz. Texture fill rate - 16.74 GTexel / s. Pipelines - 384. Floating-point performance - 803.3 gflops. Manufacturing process technology - 28 nm. Power consumption (TDP) - 49 Watt.
Memory type: GDDR5. Maximum RAM amount - 1 GB. Memory bus width - 64 Bit. Memory clock speed - 5008 MHz. Memory bandwidth - 40.06 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 | 10.475 mPixels/s |
| CompuBench 1.5 Desktop - Ocean Surface Simulation | 173.537 Frames/s |
| CompuBench 1.5 Desktop - T-Rex | 0.032 Frames/s |
| CompuBench 1.5 Desktop - Video Composition | 8.717 Frames/s |
| CompuBench 1.5 Desktop - Bitcoin Mining | 10.454 mHash/s |
| GFXBench 4.0 - Car Chase Offscreen | 2309 Frames |
| GFXBench 4.0 - Manhattan | 3354 Frames |
| GFXBench 4.0 - T-Rex | 3220 Frames |
| GFXBench 4.0 - Car Chase Offscreen | 2309.000 Fps |
| GFXBench 4.0 - Manhattan | 3354.000 Fps |
| GFXBench 4.0 - T-Rex | 3220.000 Fps |
Specifications (specs)
Essentials |
|
| Architecture | Kepler 2.0 |
| Code name | GK208 |
| Launch date | 29 May 2013 |
| Launch price (MSRP) | $89 |
| Place in performance rating | 1251 |
| Type | Desktop |
Technical info |
|
| Core clock speed | 1046 MHz |
| Floating-point performance | 803.3 gflops |
| Manufacturing process technology | 28 nm |
| Pipelines | 384 |
| Texture fill rate | 16.74 GTexel / s |
| Thermal Design Power (TDP) | 49 Watt |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x VGA |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x8 |
| 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 | 1 GB |
| Memory bandwidth | 40.06 GB / s |
| Memory bus width | 64 Bit |
| Memory clock speed | 5008 MHz |
| Memory type | GDDR5 |
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