AMD Radeon HD 4890
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POSTER: computer news || AMD RADEON HD 4890 |
DATE:2009-03-20 |
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Several days ago we introduced the exterior view of AMD Radeon HD 4890 video card, which was based on the graphic processor RV790.
Here is a photograph without the cooling system:  The graphic processor and memory are located as the Radeon 4870 , and here the power-supply system underwent significant changes. It is organized according to 5+2. Moreover, five phases of the core power are formed with different SHIM controllers. The additional power connector moved in the rear unit of printed-circuit board. There are two six-pins connector joints, one of them can be replaced with octal. In spite of general similarity of form and sizes, the construction of cooling system differs from the Radeon HD 4870. Instead of two heat pipes we have here already three. Moreover, in a larger diameter. It is completely possible that this key difference is capable of radically improving the heat removal from the graphic processor, ensuring the more restrained thermal condition - about 60 degree Celsius. Let us look to the photograph of RV790 in comparison with RV770:  The area of RV790 is barely greater than RV770. Related Products : | ||
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AMD RADEON HD 4890 |
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