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2 hours ago, done12many2 said:

 

Generally speaking your overall simplification is correct as it relates to most 4 core or smaller CPUs.

 

When you start getting into higher core counts, water cooling goes from "looks and fun" to necessity if you want to hit decent, not even fantastic, stable overclocks.

Yeah look at me here! I have an Intel Core i7-5930K CPU that I attempted a 4.4 GHz on like 1.3 something volts, and when I began to stress the system to see if it's stable, temps shot up as high as 91º centigrade, so I had to stop the testing and reset the clocks to their stock values. And even then, temps can climb up to 71º C on my Prolimatech Megahalems w/ Noctua NF-A14 PWM fan.

 

So I have to go with an AIO solution, which will suffice. Temps will be lower for the targeted clocks and voltages that I am aiming for, but custom cooling will definitely bring it down enough that even high clocks will stay cool under 3D workloads (which is what I do). Xeons, you can definitely get away with air cooling, even for something with 22 cores.

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Just now, JurunceNK said:

Yeah look at me here! I have an Intel Core i7-5930K CPU that I attempted a 4.4 GHz on like 1.3 something volts, and when I began to stress the system to see if it's stable, temps shot up as high as 91º centigrade, so I had to stop the testing and reset the clocks to their stock values. And even then, temps can climb up to 71º C on my Prolimatech Megahalems w/ Noctua NF-A14 PWM fan.

 

So I have to go with an AIO solution, which will suffice. Temps will be lower for the targeted clocks and voltages that I am aiming for, but custom cooling will definitely bring it down enough that even high clocks will stay cool under 3D workloads (which is what I do). Xeons, you can definitely get away with air cooling, even for something with 22 cores.

 

Sounds like a great system bud.  

 

1.3v is about average for the 4.4 to 4.6 window depending on silicon quality of course.  Generally speaking, it can be a bit much for air under full load at that voltage when dealing with higher core counts.

 

I agree, at stock voltage almost anything can be cooled on air, but once you start reaching for what most of us classify as decent overclocks, you may need to seriously consider water if you plan on putting any type of load on it.  Smaller 4 cores and lower can get away with it as their TDP doesn't skyrocket nearly as fast as 6+ cores as voltage increases.

 

I think some people live in fairy tale world where they consider web browsing a heavy load.   :|

 

 

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