NVIDIA GeForce 840A videocard review
GeForce 840A videocard released by NVIDIA; release date: 17 March 2014. The videocard is designed for desktop-computers and based on Maxwell microarchitecture codenamed GM108.
Core clock speed - 1029 MHz. Boost clock speed - 1124 MHz. Texture fill rate - 17.98 GTexel / s. Pipelines - 384. Floating-point performance - 863.2 gflops. Manufacturing process technology - 28 nm. Power consumption (TDP) - 33 Watt.
Memory type: DDR3. Maximum RAM amount - 1 GB. Memory bus width - 64 Bit. Memory clock speed - 2002 MHz. Memory bandwidth - 16.02 GB / s.
Benchmarks
| PassMark G3D Mark |
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| PassMark G2D Mark |
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| Geekbench OpenCL |
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| GFXBench 4.0 Car Chase Offscreen |
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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 Manhattan |
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| GFXBench 4.0 T-Rex |
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| GFXBench 4.0 T-Rex |
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| Name | Value |
|---|---|
| PassMark - G3D Mark | 1180 |
| PassMark - G2D Mark | 266 |
| Geekbench - OpenCL | 5596 |
| GFXBench 4.0 - Car Chase Offscreen | 2188 Frames |
| GFXBench 4.0 - Car Chase Offscreen | 2188.000 Fps |
| GFXBench 4.0 - Manhattan | 2314 Frames |
| GFXBench 4.0 - Manhattan | 2314.000 Fps |
| GFXBench 4.0 - T-Rex | 3117 Frames |
| GFXBench 4.0 - T-Rex | 3117.000 Fps |
Specifications (specs)
Essentials |
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| Architecture | Maxwell |
| Code name | GM108 |
| Launch date | 17 March 2014 |
| Place in performance rating | 955 |
| Type | Desktop |
Technical info |
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| Boost clock speed | 1124 MHz |
| Core clock speed | 1029 MHz |
| Floating-point performance | 863.2 gflops |
| Manufacturing process technology | 28 nm |
| Pipelines | 384 |
| Texture fill rate | 17.98 GTexel / s |
| Thermal Design Power (TDP) | 33 Watt |
Video outputs and ports |
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| Display Connectors | No outputs |
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x8 |
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 | 16.02 GB / s |
| Memory bus width | 64 Bit |
| Memory clock speed | 2002 MHz |
| Memory type | DDR3 |
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