4690k overclock air cooling

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Jordan Tran

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May 9, 2015
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Hey, I'm thinking about overclocking in the future, however i'm pretty new to it and not completly sure what to do or know the limits.
I have a i5 4690 chip with a hyper cooler master 212 evo air cooler.

who knows what the limits are to that combo?
 
Solution
JackNaylorPE
It's all about how lucky you are in what chip you get .... your actual OC level is irrelevant, it's all about how much voltage you need to remain stable at that OC. You could be at 1.200 @ 4.0 GHz and you could be at 4.8 GHz @ 1.200

For Haswell, I use .....

Up to 1.200v = Very Good Air Cooler (Hyper 212)
Up to 1.250v = Best Air Coolers (Phanteks PH-TC14-PE, Silver Arrow or Noctua DH14) ....... Dual 140mm CLC / AIO Cooler w/ 1500 rpm fans (Corsair H110)
Up to 1.275v = Extreme Speed Dual Fan CLC / AIO w/ 2700 rpm fans (too noisy for most folks)
Up to 1.287v = Best air coolers (Cryorig R1 / Noctua DH-15)
Up to 1.300v = Swifteh H240-X
Up to 1.325v = Custom Loop w/ 15C Delta T (3 x 120mm / 140mm) *
Up to 1.400 = Custom Loop w/ 10C...
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JackNaylorPE

JackNaylorPE

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It's all about how lucky you are in what chip you get .... your actual OC level is irrelevant, it's all about how much voltage you need to remain stable at that OC. You could be at 1.200 @ 4.0 GHz and you could be at 4.8 GHz @ 1.200

For Haswell, I use .....

Up to 1.200v = Very Good Air Cooler (Hyper 212)
Up to 1.250v = Best Air Coolers (Phanteks PH-TC14-PE, Silver Arrow or Noctua DH14) ....... Dual 140mm CLC / AIO Cooler w/ 1500 rpm fans (Corsair H110)
Up to 1.275v = Extreme Speed Dual Fan CLC / AIO w/ 2700 rpm fans (too noisy for most folks)
Up to 1.287v = Best air coolers (Cryorig R1 / Noctua DH-15)
Up to 1.300v = Swifteh H240-X
Up to 1.325v = Custom Loop w/ 15C Delta T (3 x 120mm / 140mm) *
Up to 1.400 = Custom Loop w/ 10C Delta T (5 x 140mm or 6 x 120mm) *

* At this level having the GPU(s) also under water is assumed

Also, if you are not running AVX, you can add as much as 0.10 to all those voltages.

For Devils Canyon, due to the better thermal capability of the CPU ....

Up to 1.250v = Very Good Air Cooler (Hyper 212)
Up to 1.300v = Best Air Coolers (Phanteks PH-TC14-PE, Silver Arrow or Noctua DH14) ....... Dual 140mm CLC / AIO Cooler w/ 1500 rpm fans (Corsair H110)
Up to 1.325v = Extreme Speed Dual Fan CLC / AIO w/ 2700 rpm fans (too noisy for most folks)
Up to 1.337v = Best air coolers (Cryorig R1 / Noctua DH-15)
Up to 1.350v = Swiftech H240-X
Up to 1.375v = Custom Loop w/ 15C Delta T (3 x 120mm / 140mm) *
 
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Solution
geofelt

geofelt

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Oct 9, 2006
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Is that 4690 or 4690K? 4690 is not overclockable.
I think you are ok with the cooler.

The chart from jacknaylorpe is about right.
But, add in the context that a vcore of 1.25 is about as high as you want to go for 24/7 operation. certainly no more than 1.30.

What multiplier you can get at 1.25v is determined by your luck of the bin.
4.0-4.4 is likely. You hear higher from those who won, and you hear nothing from those who lost.
 
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TechyInAZ

TechyInAZ

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Jun 23, 2014
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Wow, I'm even more glad I got a Devils Canyon i5 now lol. I get 55C with all cores maxed out on my 4690K 4.5ghz 1.235v. Corsair H105 w/ fans at 750rpm.
 
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JackNaylorPE

JackNaylorPE

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The above are BIOS settings, not what you see 24/7.

The assumption is that you are using adaptive voltage and voltage only climbs when needed. Unless AVX or other instruction sets are presents, your voltage will top out a lil bit higher (0.1 -0.2) than the BIOS setting. With AVX present, voltages will be 0.10 to 0.13 higher under application based stress testing (i.e.RoG Real Bench) which means you will never see anywhere near those voltages those voltages 24/7

My setting is 1.385 @ 4.7 Ghz on 4770k.

With 1.385 setting, under RoG Real Bench I see the following....

Image Ed. 1.392
Encoding 1.408
Open CL 1.488/1.504*
Multitask 1.408

* Bounces up and down with peaks hitting 1.488 .... rarely it will hit 1.504 for like a fraction of a second.

Temps top out at 72-78C (custom loop)

In gaming and everyday use , it gets no where near those levels. Right now while typing this, it's at 0.71v and 0.800 Ghz.

The systems is used 8 - 10 hours a day as a workstation, then my son (pilot) takes over and practices w/ flight sims or gaming for another 4 - 10 hours
 
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