Changing LLC on i5-4690K Doesn't Do anything

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TechyInAZ

TechyInAZ

Titan
Jun 23, 2014
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Why exactly does LLC not effect haswell's stability? I heard that this is because of the built in voltage regulator, however I still heard it's good to turn on because the LLC still provides power for the input voltage.

If so, how do I know if my LLC is too high or too low?
 
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IInuyasha74
Hey,

LLC does effect stability. Essentially it is L3 cache on those CPUs. It does provide power, but consumes it. Cache is noted for using significant amounts of power and for getting rather hot. It also consumes a large amount of space on the CPU die. It is often helpful to set the LLC multiplayer lower than the core multiplayer as it will usually hit its limit before the CPU does.

When overclocking boards that give that option, I always leave the LLC at stock until I have hit the limit of the CPU core, and then overclock it separately. Of course a higher LLC will give you more performance, but higher CPU clock speed gives you more performance overall.
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IInuyasha74

IInuyasha74

Splendid
May 1, 2013
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Hey,

LLC does effect stability. Essentially it is L3 cache on those CPUs. It does provide power, but consumes it. Cache is noted for using significant amounts of power and for getting rather hot. It also consumes a large amount of space on the CPU die. It is often helpful to set the LLC multiplayer lower than the core multiplayer as it will usually hit its limit before the CPU does.

When overclocking boards that give that option, I always leave the LLC at stock until I have hit the limit of the CPU core, and then overclock it separately. Of course a higher LLC will give you more performance, but higher CPU clock speed gives you more performance overall.
 
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