i7 4790k 4.4ghz @1.286v temps help?

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FunkyFeatures

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Hey
I have an Intel i7 4790k, running at 4.4ghz(for some reason, haven't touched it) at 1.286vcore.
I feel the vcore is a bit high, but my question for this is:
With a Hyper212 Evo, max fans inside a Define R5 max fans, is 84c peak @20-21c ambient a fair temperature?

And for vcore(was wondering if it was just the motherboard that wants high vcore) could i lower it?
batch = #L435C253
 
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I'm personally not all that sure about it, but it's recommended to keep it within a 400mhz margin of the clock ratio, so 4.2ghz minimum in your case. However, my i7 4790k does 4.9ghz with cache ratio at 4.0ghz, so I don't really know.
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iamasleepy2014

iamasleepy2014

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did the motherboard website says it officially support the 'K 'CPU? if yes, then it may be the default.
you can leave it at that if you don't want to play around the motherboard CPU settings.

But true that 4790K can get really hot.
with hyper212 EVO both my 4790K idle at 30C and gaming peak at 65C, while prime95 smallFFT can get up to 90C after 10mins
 
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iamasleepy2014

iamasleepy2014

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Temperature is ok and normal.

The default vcore is abit high but safe, if you google, there are lots of overclocking advice on 4790K , so you will know roughly their potential.
If you are interested, you can try prime95 (smallFFT) test to see the max temp.
 
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sportsfanboy

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I agree, lower it manually ans test for stability. My board was giving my 4790k 1.23ish right out of the box stock everything stock. I can get 4.6 with less voltage than that. Very good chance you can achieve 4.4 with sub 1.2 voltage.
 
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FunkyFeatures

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when using DIP5 though, 4.6v requires 1.35v, quite high. I think the cpu requires the volts, i might just have a badly binned cpu.

Link to maximus vii overclocking guide possibly? I have no idea about the settings in the bios.
 
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Dual Intelligent Processors 5
Its some asus auto overclocking thing.

I cannot return it just because its bad. Intel sells it for a reason, because it passed their tests at these exact speeds.

From Linus' overclocking guide(that i just watched) DIP5 tends to add quite a bit more volts than is needed, so I will try manual overclocking today, but very conservatively, going for max vcore 1.225
 
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FunkyFeatures

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I backed off to 1.252v(for some reason it didnt do 1.25). 46x multiplier, seems stable after around 10min of aida64. I am scared :/ heard about alot ring speed and cache speed that i should tweak too when i increase core clock. welp
 
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sportsfanboy

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auto overclocking always(well most of the time) adds too much voltage, or more than is needed. You don't have to worry about ring speed. For stability you can lower the multi to 43, for 4300 effective. You wont notice a performance hit, and it might help with higher overclocks. I try to set it 3 multiplier settings lower than the cpu multi. You can run it with a 1:1 ratio without hurting your chip however. All that will happen is stability may suffer with high overclocks.

Try to make your input voltage(that's the voltage to the vrms for supplying power to the processor) about .6 higher than your vcore. So for you, roughly 1.85 or 1.9 depending on vdroop and your load line cal setting. .6 is just a baseline, you can lower it or raise it based on testing, and your vcore settings
 
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FunkyFeatures

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I don't know what you meant about that. Something 3 lower than cpu multiplier, vrm 0.6v higher than everything else. Confused sry, new to overclock and i barely know any settings.

 
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sportsfanboy

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you have your cpu multi, that you set to 46 for a clock of 4600 correct? Next you have your bus multi that handles the communication between the cores and the memory controller, then out to memory. Right now by leaving it on auto, you have a 46 multiplier on the cpu and memory controller. I'm not sure what it's called on your board, a quick search should tell you. So I'm saying you can set that a little lower than the cpu multi, 43x=4300mhz in your situation.
 
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Update:
I can pick between three settings, or try for a fourth. I don't really do anything cpu intensive. This seems to be stable:
#1 - 4,2 @1.178v
#2 - 4.6 @1.25v(still need to see if i can get it lower)
#3 - 4.8 @1.301v 91c peaks probably backing off since i don't need it.
 
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DubbleClick

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I'm personally not all that sure about it, but it's recommended to keep it within a 400mhz margin of the clock ratio, so 4.2ghz minimum in your case. However, my i7 4790k does 4.9ghz with cache ratio at 4.0ghz, so I don't really know.
 
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FunkyFeatures

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Anyways, rewatching linus' video, its just for a tiny bit more performance if you can't increase the multiplier. I guess cache is the same as memory on the graphics card, benefits very few applications very little to overclock.
 
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