The new video card Asus HD 4890 is based on a new graphics processor, the RV790, the result of careful review and optimization of the previous RV770 underlying models of HD 4870 over a year ago. The purpose of Asus HD 4890 was to increase the performance of the graphics card without compromising stability.

From the aesthetic point of view, Asus HD 4890 looks no different from previous models: the video card is characterized by the same heatsink with aluminum frame and body copper center. To protect the stability we have added a "decap ring" whose purpose is to eliminate in a more 'effective electromagnetic interference.

Asus HD 4890 connections consist of two DVI ports and an S-Video, through appropriate adapters can interface with support for HDMI and VGA. With two DVI ports, Asus HD 4890 can 'manage two monitors simultaneously at resolutions up to 2560 x 1200 pixels. Asus HD 4890 is sold in two versions: the first is a frequency of GPU and memory respectively equal to 850 MHz and 3900 MHz while the second called "OC Edition" is more 'performance with frequencies of GPU and memory overclocked by the manufacturer.

Asus HD 4890 has been a very positive opinion, it is as' fast graphics card on the market for single-core produced by ATI. The performance of the Asus HD 4890 are higher than the GTX260 and perhaps also on competitor GTX27 produced by nVidia.

The excellent over clocking capabilities able to drive up the frequency of GDDR5 memory above 4 GHz and the GPU more than 1 GHz For those who use their PC for gaming, the Asus HD 4890 is an excellent choice and very economical.

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