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ATI’s New Radeon® X800 GTO Delivers
Premium Gaming Performance

Latest addition to Radeon® X800 series provides unparalleled realism and value

MARKHAM, ON – September 15, 2005 – ATI Technologies Inc. (TSX: ATY, NASDAQ:ATYT) is pleased to announce the introduction of its Radeon ® X800 GTO premium graphics card, the newest member of the Radeon family of products that is designed to give gamers the ultimate combination of graphics performance, gaming power and value.

“ATI’s new Radeon X800 GTO will let you get into the game and lose yourself in a truly immersive gaming experience with any of today’s top titles,” said Rich Heye, Vice President and General Manager, Desktop Business Unit. “With the X800 GTO’s advanced technology, ATI once again brings gamers great performance, realism and value.”

ATI’s Radeon X800 GTO combines a powerful 12-pipe 3D engine with 256-bit memory interface and a memory data rate of up to 1GHz for outstanding performance across the entire range of exciting new game titles on the market today. The Radeon X800 GTO’s advanced 3D architecture also features SmartShader™ graphics technology for the most-advanced pixel shader engine available anywhere.


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The new Radeon X800 GTO delivers a fantastic gaming experience through cutting-edge technologies and capabilities that include:
• Massively parallel 3D gaming engine;
• 256-bit GDDR3 memory interface for lightning fast memory speeds;
• SmartShader and SmoothVision™ graphics technologies for exceptional gaming realism;
• 3Dc compression technology to bring out fine details with minimum memory usage;
• Videoshader™ with programmable video performance;
• HyperZ™ for lossless Z-Buffer compression that reduces memory bandwidth by up to 25%.

As part of ATI’s Radeon X800 series, the X800 GTO also delivers premium graphics performance for video playback and digital photography, and is the perfect compliment to Microsoft Windows® XP Media Center Edition with full-featured media support for analog and digital displays.

The Radeon X800 GTO begins shipping immediately and will be available from ATI and its partners including:
• Abit Computer Corp.
• Asustek Computer Inc.
• Connect Components Ltd.
• Giga-Byte Technologies Co. Ltd.
• Hightech Information Systems Ltd.
• Info-Tek Corp.
• Micro-Star International Co. Ltd.
• Palit Systems Inc.
• Sapphire Technologies Ltd.
• Tul Corp.







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About ATI Technologies

ATI Technologies Inc. is the world leader in the design and manufacture of innovative 3D graphics and digital media silicon solutions. An industry pioneer since 1985, ATI is the world's foremost graphics processing unit (GPU) provider and is dedicated to delivering leading-edge performance solutions for the full range of PC and Mac desktop and notebook platforms, workstation, set-top and digital television, game console and handheld device markets. With 2004 revenues of approximately US $2 billion, ATI has more than 2,700 employees in the Americas, Europe and Asia. ATI common shares trade on NASDAQ (ATYT) and the Toronto Stock Exchange (ATY).

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