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AMD Ryzen 7 9800X3D gaming processor announced for November 7 | 20% faster than Intel Core Ultra 9 285K
(www.gamingonlinux.com)
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the main benefit on the performance increase from zen4 to zen 5 is the reordering of the cache and chip layers allowed them to clock the cores higher, as one of the biggest bottlenecks for older x3d designs was clocks, due to the chip internally insulating a lot of the heat, so their clocks were stepped back from their non x3d counterparts.
the 9800x3d base and turbo clocks are a generous step up from previous gen, and likely the biggest contributing factor to the performamce increase when reviews drop.