Samsung said the 512-megabit graphics double-data-rate (GDDR) memory chip is the most advanced dynamic random access memory chip for graphics card-makers and games console manufacturers.

The new device has at least twice the density of any graphics memory chip available today, enabling richer texture in gaming imagery, the firm said.

"With our new 512 megabit GDDR3 memory, we can provide sharply improved performance, reduced power consumption and more efficient space utilization for 512 megabyte graphics cards," said Mueez Deen, director of marketing for graphics memory at unit Samsung Semiconductor Inc.

In November 2003, Samsung introduced 256Mb GDDR3 memory and holds the largest share of the market for graphics memory embedded in high-end graphics cards.

Market analysts predict that the 2005 world graphics DRAM market will rise about 30 percent to some 1.47 billion dollars.

Samsung plans to begin mass production of the new chip in 2005.

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