ATI Technologies is expected to enter volume production of its R420 graphics chip core as early as the end of the first quarter, according to local industry sources.

The R420 will be fabricated at Taiwan Semiconductor Manufacturing Company (TSMC) using a low-k process technology. The graphics chip core is expected to boast 160 million transistors and support an AGP 8x bus and GDDR3 memory architecture. The product name is currently unknown.

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