Asus is the former AIB partner that will modify the reference frequencies on the HD 5800 series graphic cards. Asus has determined to make use of its Voltage Tweak aspect on these cards, which permit them to attain superior clocks by elevating the GPU voltage. It is a pleasant add-on as well as it looks similar to Asus found out that these cards overclock satisfactorily with a bit of added voltage to the GPU.

Asus will commence a series of four cards, two HD 5870 plus two HD 5850, where the only variation among the models is the package. One will arrive with the Dirt 2 game voucher while further one will be dispatched lacking it, plus will thus end up cheaper.

With no voltage changes applied, Asus' graphics cards are operating at indication 850/725MHz for the core with 4800/4000MHz for the 1GB of GDDR5 memory. When Voltage Tweak comes into play, the HD 5870 can be overclocked to 1035MHz for the GPU as well as 5200MHz for memory by currently elevating the voltage from 1.15V to 1.35V. With the HD 5850 it gets even superior as it can be overclocked using Voltage Tweak to 1050MHz for the GPU along with 5200MHz for the memory by boosting the voltage from 1.088V to 1.4V.

By the looks of things as well as the figures, the HD 5850 is somewhat a jewel, as well as this may be a sophisticated graphic card if you are into overclocking. According to Asus, this overclock boosted the 3DMark Vantage Extreme Preset score from 8,087 to 9,252 for the HD 5870 as well as from 6501 to 8987 for the HD 5850. This also means that an overclocked HD 5850, which has fewer streams CPU, may be able of thrashing the superior priced HD 5870 at reference clocks, in any case when talking regarding 3Dmark Vantage. Certainly, we want not remind you concerning the cost variation among these two graphic cards.

AMD may not be pleased that Asus present a voltage change choice to its consumers, but Asus will obviously do something to acquire an edge next to the ever-tough struggle on the market.

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