Considering Trinity is shipping from OEM's, there will be no magic fairy dust with performance improvements from newer BIOS.
Richland is likely the name of the die (4 core), just like Beavercreek was the codename for the quad-core Llano-part while Winterpark was the dual-core variant.
Most information there looks spot on apart from the amount of graphics cores. It will be 512, not 384![]()
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