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AMD intros low cost, high end GPU

Radeon HD 4830 debuts

Application security programs and practises

AMD has rolled out its ATI Radeon HD 4830 graphics card, pitching the part as a low-cost entry into its top-of-the-line GPU range.

One of the first 4830-based boards out of the gate is Sapphire's HD 4830, which clocks the GPU to 575MHz and links the core to 512MB of GDDR 3 memory running at 900MHz and sitting on a 256-bit bus.

Sapphire HD Radeon 4830

Sapphire's HD 4830: high end, low cost

The GPU contain 640 unified shader processor. It supports DirectX 10.1 gaming and incorporates AMD's Unified Video Decoder (UVD) engine for dedicated picture streams encoded using VC-1 and H.264 - the two key Blu-ray Disc codecs.

In addition to the two dual-link DVI outputs and a TV port on the card, the Sapphire board comes with an HDMI adaptor that delivers both 7.1-channel audio and video output to an HD TV.

Sapphire also touted the new GPU's 24x custom-filter anti-aliasing and dynamic geometry acceleration, both intended to improve game performance and imagery. The 4830 is CrossFireX capable.

Sapphire wants £100 for the card.

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