NVIDIA GeForce GT 640M Mac Edition videocard review
GeForce GT 640M Mac Edition videocard released by NVIDIA; release date: 3 February 2013. The videocard is designed for desktop-computers and based on Kepler microarchitecture codenamed GK107.
Core clock speed - 745 MHz. Texture fill rate - 23.84 GTexel / s. Pipelines - 384. Floating-point performance - 572.2 gflops. Manufacturing process technology - 28 nm. Transistors count - 1,270 million. Power consumption (TDP) - 32 Watt.
Memory type: GDDR5. Maximum RAM amount - 512 MB. Memory bus width - 64 Bit. Memory clock speed - 5000 MHz. Memory bandwidth - 40 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 |
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CompuBench 1.5 Desktop - Face Detection | 6.577 mPixels/s |
CompuBench 1.5 Desktop - Ocean Surface Simulation | 226.218 Frames/s |
CompuBench 1.5 Desktop - T-Rex | 0.559 Frames/s |
CompuBench 1.5 Desktop - Video Composition | 11.947 Frames/s |
CompuBench 1.5 Desktop - Bitcoin Mining | 12.554 mHash/s |
GFXBench 4.0 - Car Chase Offscreen | 1706 Frames |
GFXBench 4.0 - Manhattan | 2983 Frames |
GFXBench 4.0 - T-Rex | 5586 Frames |
GFXBench 4.0 - Car Chase Offscreen | 28.900 Fps |
GFXBench 4.0 - Manhattan | 48.100 Fps |
GFXBench 4.0 - T-Rex | 99.800 Fps |
Specifications (specs)
Essentials |
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Architecture | Kepler |
Code name | GK107 |
Launch date | 3 February 2013 |
Place in performance rating | 1512 |
Type | Desktop |
Technical info |
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Core clock speed | 745 MHz |
Floating-point performance | 572.2 gflops |
Manufacturing process technology | 28 nm |
Pipelines | 384 |
Texture fill rate | 23.84 GTexel / s |
Thermal Design Power (TDP) | 32 Watt |
Transistor count | 1,270 million |
Video outputs and ports |
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Display Connectors | No outputs |
Compatibility, dimensions and requirements |
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Interface | PCIe 3.0 x16 |
API support |
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DirectX | 12.0 (11_0) |
OpenGL | 4.6 |
Memory |
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Maximum RAM amount | 512 MB |
Memory bandwidth | 40 GB / s |
Memory bus width | 64 Bit |
Memory clock speed | 5000 MHz |
Memory type | GDDR5 |