In the performance evaluation in graphics overclocking testing is an indispensable item, and a few days before the release of Radeon HD 4890 and GeForce GTX 275 overclocking strength, particularly, I believe that many readers are concerned about the Friends, two new flagship product The overclocking ability of these two in order to allow everyone the overclocking graphics cards generally have a capacity of perhaps know, Expreview special website to collect some foreign media about the two graphics cards overclocking test results.

Overclocking the above tests are used in the public version of the design of graphics cards, Radeon HD 4890 are the default frequency of 850/975MHz (core / memory), while the GeForce GTX 275 are the default frequency 633/1134/1404MHz (core / memory / shader), there is no marked brands are the ATI / NVIDIA graphics card manufacturer.

Media from the above two graphics cards in this overclocking test results can be seen: Radeon HD 4890 core frequency of 976MHz in general can be upgraded to the level there is more than the default 850MHz improve the 14.8 percent, while the memory frequency in general can be up to 1121MHz (equivalent to 4484MHz), to enhance the rate reached 15%; GeForce GTX 275 Core to the average frequency of 725MHz, to enhance the rate was 14.5%, the average memory frequency to 1261MHz (equivalent to 2522MHz), enhance the rate of for 11.2%, shader frequency average to 1600MHz, to enhance the rate of 14%.

Radeon HD 4890 and GeForce GTX 275 will live up to expectations and have a good overclocking performance, which overclocking is a good player message.

In addition, the above sections of the test used in the public version of the design of graphics cards are, I believe that if a more powerful performance with the radiator, it will be able to create a more pleasant surprise and good score.

Nvidia graphics card BIOS Editor NiBiTor instrument today released its latest version V5.0. The tool can be used for N line card to amend the BIOS file. A new version of NiBiTor will be based on the previous version, but to add several new support for Nvidia graphics cards, and interface options add a Voltage IC.

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