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as wookiee87 says above - you can easily set the cpu voltage to 1.38v - and get a fraction more cpu frquency. However, I didnt find any significant performance increase (from the passmark benchmark test, or the benchmark within the setting of total war warhammer2 etc)) by pushing it too far (frequency but necessarily needing more cpu volts).
I use passmark to stress all the cores on the cpu to make sure that it is stable at the frequancy and voltages that I enter into the BIOS as well as getting a speed test. But also for speed tests your can do games tests such as: warhammer 2 (campaign, battle, skaven) ; company of heroes 2; etc
when at stock the cpu automatically overclocks past the base frequency of 3.8ghz if there is electricity and low temperature (below 65C I think). the cpu however should be OK for constant running at say up to 1.43v and up to 80C. By setting a static overclock like I describe above you can allow the cpu temp to constantly be up to 80C. Once you have set an overclock, you will know from hwm monitor what the cpu temp gets up to when stressing it with say passmark. NOTE - that the passmark test uses all cores and threads at 100% and so this is much more stressful than gaming - and therefore when gaming you probably wont reach these highest temps.
Once you have all this done then you can adjust your fan profiles to try and reduce the noise.
I use passmark to stress all the cores on the cpu to make sure that it is stable at the frequancy and voltages that I enter into the BIOS as well as getting a speed test. But also for speed tests your can do games tests such as: warhammer 2 (campaign, battle, skaven) ; company of heroes 2; etc
when at stock the cpu automatically overclocks past the base frequency of 3.8ghz if there is electricity and low temperature (below 65C I think). the cpu however should be OK for constant running at say up to 1.43v and up to 80C. By setting a static overclock like I describe above you can allow the cpu temp to constantly be up to 80C. Once you have set an overclock, you will know from hwm monitor what the cpu temp gets up to when stressing it with say passmark. NOTE - that the passmark test uses all cores and threads at 100% and so this is much more stressful than gaming - and therefore when gaming you probably wont reach these highest temps.
Once you have all this done then you can adjust your fan profiles to try and reduce the noise.