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AMD Zen 5 rumours

humbug said:
There is a fabric mesh that connects all the dies together, it has an adjustable clock speed, that is the FCLK (Clock Frequency of the Infinity Fabric Interconnect) the higher this clock the faster it is the lower the latency between the chiplets, that lower latency is what you want for higher performance in gaming.

It matters because its tied to the system ram clock, the higher the ram clock the higher the FCLK, there is a limit to that so if you clock the ram higher than the FCLK can clock it puts it in a lower ratio, so from a 1:1 ration to a 1/2 (half) ratio and with that increasing the fabric latency.
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So it's similar to FSB from 3000 years ago?
 
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