Sony have disclosed technical details of their latest graphics rendering engine, which is said to make the emotion engine in the PlayStation 2 look like "child's play". The chip is 462-mm squared, with 256Mbit of on-chip embedded DRAM and 2,000 bit internal buses, giving it some serious bandwidth. The company claims that the chip can process 75m polygons in a second and boasts a fill rate of 1.2 to 2.6 gigapixels a second. That said, these figures are pretty close to the initial claims for the PlayStation 2. The chip is said to contain some 287.5 million transistors, and is as big as the manufacturing process is ever likely to allow. Despite its size and complexity however, the chip is yielding within reasonable parameters. The "yield" in this case refers to the percentage of chips produced in bulk that work. Related Feature - PlayStation 3 up, PlayStation 2 down
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