For DDR5 memory at 2000mhz...run FCLK at 2000 or 2067 and higher?

J

jarablue

[H]ard|Gawd
Joined
May 31, 2003
Messages
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I run my ddr5 at 6000mhz. Should I run my FCLK at 2067 or higher if the memory is at 6000mhz?

Someone told me to run the FCLK at least at 2067 or higher even with the ram speed at 6000mhz. Is this true? Would I see a benefit?
 
Theoretically FLCK being faster is better, in real life you'll never notice the difference unless the only thing you play is Y-cruncher and you're trying to shave milliseconds off your time. These people are seeing Buildzoid videos and thinking that the things an XOC guy does are the same thing they should do to play World of Warcraft.
 
jarablue said:
I run my ddr5 at 6000mhz. Should I run my FCLK at 2067 or higher if the memory is at 6000mhz?

Someone told me to run the FCLK at least at 2067 or higher even with the ram speed at 6000mhz. Is this true? Would I see a benefit?
Click to expand...

overclocking FCLK only makes sense for SKU with more than 1CCD (7900x, 7950x) performance-wise.

There is very little performance gain with it.

z4t_linx.png

z4t_aida_c.png

z4t_aida_l.png


z4t_gb3.png


If you only have 1 CCD, making the computer potentially unstable for negligible difference in performance is not worth it.
 
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