The Diamond HD 7990 is a strong graphics card from Diamond Multimedia. It is based on a 28nm process size and is powered by a TDP of 375W. It offers base clock speeds of 950MHz and boost clock speeds of 1000MHz. It has 4096 Cuda cores and 6GB of GDDR5 memory with an effective memory clock speed of 6000MHz, a 768bit memory bus and a bandwidth of 576GB/s. The card is compatible with DirectX 11.1, OpenGL 4.3 and OpenCL 1.2 and has dimensions of 305mm width and 110mm height. It has a PCI Express version of 3.
Diamond HD 7990 – specs
| Clock speeds |
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| Base clock speed: | 950MHz |
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| Boost clock speed: | 1000MHz |
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| Memory clock speed: | 1500MHz |
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| Effective memory clock speed: | 6000MHz |
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| Memory |
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| Memory size: | 6GB |
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| Memory type: | GDDR5 |
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| Memory Bus: | 768bit |
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| Bandwidth: | 576 GB/s |
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| Graphics features |
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| DirectX: | 11.1 |
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| OpenGL: | 4.3 |
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| OpenCL: | 1.2 |
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| Card details |
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| Process size: | 28 nm |
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| Cuda cores: | 4096 |
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| TDP: | 375W |
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| Width: | 305mm |
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| Height: | 110mm |
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| PCI Express version: | 3 |
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