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i7 3770k Overclocked at 4.6 GHz at 1.4v - I need advise please.

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  • Overclocking
  • Intel i7
  • CPUs
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June 14, 2014 4:20:36 AM

At the moment I think I'm stable on 4.6 GHz at 1.400 voltage. It's semi-fine tuned. Currently stable (after 30 minutes on Prime95)

My current temperatures on 4.6 GHz at 1.380 voltage running Prime 95:




(Let's say about 85 degrees, as that's probably the max it hits after running Prime95 for long hours)

My specs:

Noctua NH-D14 Air Fan
i7 3770k processor
8 GB 1600 Mhz Corsair RAM
Gigabyte Nvidia GTX 670
Gigabyte GA-Z77-D3H Motherboard
Lexa S Case with 4 out of 5 case fans

How far do you guys think I can overclock my i7 3770k?

Also, do you recommend that I overclock my i7 3770k even more, or do you guys recommend that I turn my overclock down to 4.4 or 4.5 GHz?

I want a speed that ensures long life of my CPU, and I'm not sure whether I should go higher, or even if I should go lower.

Please advise me as I'm not quite sure what to do with my overclock, whether to increase or reduce it as I don't want to harm my CPU life significantly:) 

*Also, I've just noticed that other overclockers with an i7 3770k get their overclock done at a significantly lower voltage than mine. I know all chips are different, but surely that can't be the explanation for such a difference in voltages when overclocking? I.e. I read a thread about some guy putting his voltage at 1.340 to get 4.6 GHz with a H70 cooler. And some other guy 1.285 @ 4.6 GHz with a H80i Cooler

** Mine just blue screened at 4.6 GHz at 1.400. Are you saying I've got to go above 1.400 to acheive a 4.6 GHz overclock. That seems a whole .100-.150 above what others would have to acheive the same overclock. Surely I'm missing something here?

More about : 3770k overclocked ghz advise

a b K Overclocking
a c 95 à CPUs
June 14, 2014 4:38:17 AM

jediarron said:
At the moment I think I'm stable on 4.6 GHz at 1.400 voltage. It's semi-fine tuned. Currently stable (after 30 minutes on Prime95)

My current temperatures on 4.6 GHz at 1.380 voltage running Prime 95:




(Let's say about 85 degrees, as that's probably the max it hits after running Prime95 for long hours)

My specs:

Noctua NH-D14 Air Fan
i7 3770k processor
8 GB 1600 Mhz Corsair RAM
Gigabyte Nvidia GTX 670
Gigabyte GA-Z77-D3H Motherboard
Lexa S Case with 4 out of 5 case fans

How far do you guys think I can overclock my i7 3770k?

Also, do you recommend that I overclock my i7 3770k even more, or do you guys recommend that I turn my overclock down to 4.4 or 4.5 GHz?

I want a speed that ensures long life of my CPU, and I'm not sure whether I should go higher, or even if I should go lower.

Please advise me as I'm not quite sure what to do with my overclock, whether to increase or reduce it as I don't want to harm my CPU life significantly:) 


you have capable cooling but 1.4V is outrageously high for 24/7 use. i would suggest keeping temps below 75c for everyday usage and with voltage as high as 1.3v. also make sure you use manual o/c with fixed voltages. leaving auto voltage is hazardous for such high speeds!
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June 14, 2014 5:38:59 AM

chris987 said:
jediarron said:
At the moment I think I'm stable on 4.6 GHz at 1.400 voltage. It's semi-fine tuned. Currently stable (after 30 minutes on Prime95)

My current temperatures on 4.6 GHz at 1.380 voltage running Prime 95:




(Let's say about 85 degrees, as that's probably the max it hits after running Prime95 for long hours)

My specs:

Noctua NH-D14 Air Fan
i7 3770k processor
8 GB 1600 Mhz Corsair RAM
Gigabyte Nvidia GTX 670
Gigabyte GA-Z77-D3H Motherboard
Lexa S Case with 4 out of 5 case fans

How far do you guys think I can overclock my i7 3770k?

Also, do you recommend that I overclock my i7 3770k even more, or do you guys recommend that I turn my overclock down to 4.4 or 4.5 GHz?

I want a speed that ensures long life of my CPU, and I'm not sure whether I should go higher, or even if I should go lower.

Please advise me as I'm not quite sure what to do with my overclock, whether to increase or reduce it as I don't want to harm my CPU life significantly:) 


you have capable cooling but 1.4V is outrageously high for 24/7 use. i would suggest keeping temps below 75c for everyday usage and with voltage as high as 1.3v. also make sure you use manual o/c with fixed voltages. leaving auto voltage is hazardous for such high speeds!


I've tried using 1.3~, however, 1.3v won't even support 4.5
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a b K Overclocking
a c 95 à CPUs
June 14, 2014 6:58:44 AM

jediarron said:
chris987 said:
jediarron said:
At the moment I think I'm stable on 4.6 GHz at 1.400 voltage. It's semi-fine tuned. Currently stable (after 30 minutes on Prime95)

My current temperatures on 4.6 GHz at 1.380 voltage running Prime 95:




(Let's say about 85 degrees, as that's probably the max it hits after running Prime95 for long hours)

My specs:

Noctua NH-D14 Air Fan
i7 3770k processor
8 GB 1600 Mhz Corsair RAM
Gigabyte Nvidia GTX 670
Gigabyte GA-Z77-D3H Motherboard
Lexa S Case with 4 out of 5 case fans

How far do you guys think I can overclock my i7 3770k?

Also, do you recommend that I overclock my i7 3770k even more, or do you guys recommend that I turn my overclock down to 4.4 or 4.5 GHz?

I want a speed that ensures long life of my CPU, and I'm not sure whether I should go higher, or even if I should go lower.

Please advise me as I'm not quite sure what to do with my overclock, whether to increase or reduce it as I don't want to harm my CPU life significantly:) 


you have capable cooling but 1.4V is outrageously high for 24/7 use. i would suggest keeping temps below 75c for everyday usage and with voltage as high as 1.3v. also make sure you use manual o/c with fixed voltages. leaving auto voltage is hazardous for such high speeds!


I've tried using 1.3~, however, 1.3v won't even support 4.5


i also have this problem. i cant have it stable 4.5ghz at 1.3v .though i dont have capable cooling for such voltage. better stick with 4.4ghz. performance difference would be minimal. if you desperately need 4.5ghz try inceasing bclk to 102-103 * 44 ~ 4.5ghz. it would be better than have voltage beyond 1.3v. and not that stressing. also because it will additionally increase memory speed give a minor 0.03 - 0.05v to the memory voltage boost to ensure stability. there is a chance that your ram may not accept the mhz boost so return bclk back at 100 rather than loosing timmings
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June 14, 2014 7:37:14 AM

chris987 said:
jediarron said:
chris987 said:
jediarron said:
At the moment I think I'm stable on 4.6 GHz at 1.400 voltage. It's semi-fine tuned. Currently stable (after 30 minutes on Prime95)

My current temperatures on 4.6 GHz at 1.380 voltage running Prime 95:




(Let's say about 85 degrees, as that's probably the max it hits after running Prime95 for long hours)

My specs:

Noctua NH-D14 Air Fan
i7 3770k processor
8 GB 1600 Mhz Corsair RAM
Gigabyte Nvidia GTX 670
Gigabyte GA-Z77-D3H Motherboard
Lexa S Case with 4 out of 5 case fans

How far do you guys think I can overclock my i7 3770k?

Also, do you recommend that I overclock my i7 3770k even more, or do you guys recommend that I turn my overclock down to 4.4 or 4.5 GHz?

I want a speed that ensures long life of my CPU, and I'm not sure whether I should go higher, or even if I should go lower.

Please advise me as I'm not quite sure what to do with my overclock, whether to increase or reduce it as I don't want to harm my CPU life significantly:) 


you have capable cooling but 1.4V is outrageously high for 24/7 use. i would suggest keeping temps below 75c for everyday usage and with voltage as high as 1.3v. also make sure you use manual o/c with fixed voltages. leaving auto voltage is hazardous for such high speeds!


I've tried using 1.3~, however, 1.3v won't even support 4.5


i also have this problem. i cant have it stable 4.5ghz at 1.3v .though i dont have capable cooling for such voltage. better stick with 4.4ghz. performance difference would be minimal. if you desperately need 4.5ghz try inceasing bclk to 102-103 * 44 ~ 4.5ghz. it would be better than have voltage beyond 1.3v. and not that stressing. also because it will additionally increase memory speed give a minor 0.03 - 0.05v to the memory voltage boost to ensure stability. there is a chance that your ram may not accept the mhz boost so return bclk back at 100 rather than loosing timmings


I can do 4.5 on 1.35v, but maybe lower, I haven't optimized it yet.

Is that safe? Or should I still go to 4.4 to get below 1.3

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a b K Overclocking
a c 95 à CPUs
June 14, 2014 7:45:44 AM

as i said, safe for everyday use temps, are lower than 75c. since you have great cooling and can maintain temps at such levels, i guess you can stay at 1.35v. if you cant, stick to 4.4ghz. they still offer great performance. as for the cpu longevity the lower the (voltage-temps) are the better.
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June 14, 2014 8:46:43 AM

chris987 said:
as i said, safe for everyday use temps, are lower than 75c. since you have great cooling and can maintain temps at such levels, i guess you can stay at 1.35v. if you cant, stick to 4.4ghz. they still offer great performance. as for the cpu longevity the lower the (voltage-temps) are the better.


To be honest is under 75 on Prime95 replicable of every day temperatures?

In reality, on games like ArmA 3 it will go to like 60-70, what it shows on Prime95 for 75.

However, I've tuned it down to 4.5 at 1.330, my max temperature is 77 degrees on Prime 95, I'm about to reduce it down to 1.320 and see if it holds 4.5
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a b K Overclocking
a c 95 à CPUs
June 14, 2014 8:52:00 AM

jediarron said:
chris987 said:
as i said, safe for everyday use temps, are lower than 75c. since you have great cooling and can maintain temps at such levels, i guess you can stay at 1.35v. if you cant, stick to 4.4ghz. they still offer great performance. as for the cpu longevity the lower the (voltage-temps) are the better.


To be honest is under 75 on Prime95 replicable of every day temperatures?

In reality, on games like ArmA 3 it will go to like 60-70, what it shows on Prime95 for 75.

However, I've tuned it down to 4.5 at 1.330, my max temperature is 77 degrees on Prime 95, I'm about to reduce it down to 1.320 and see if it holds 4.5



no, prime95 doesnt replicate everyday use. so i guess you are ok.finally ensure you have plenty of airflow inside your tower. mobo vrm can get pretty hot.!

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June 14, 2014 8:59:10 AM

chris987 said:
jediarron said:
chris987 said:
as i said, safe for everyday use temps, are lower than 75c. since you have great cooling and can maintain temps at such levels, i guess you can stay at 1.35v. if you cant, stick to 4.4ghz. they still offer great performance. as for the cpu longevity the lower the (voltage-temps) are the better.


To be honest is under 75 on Prime95 replicable of every day temperatures?

In reality, on games like ArmA 3 it will go to like 60-70, what it shows on Prime95 for 75.

However, I've tuned it down to 4.5 at 1.330, my max temperature is 77 degrees on Prime 95, I'm about to reduce it down to 1.320 and see if it holds 4.5



no, prime95 doesnt replicate everyday use. so i guess you are ok.finally ensure you have plenty of airflow inside your tower. mobo vrm can get pretty hot.!



Well 4.5 failed at 1330, so I think 1340 would do it. At the moment, however, I'm running 1295 for 4.4.

Are you supposed to use your PC normally whilst Prime95 is open? I am thinking maybe that's why it's crashing, I've been doing it all along.

Also, should I go for 4.5 @ 1335/40 or 4.4 @ 1295/1300

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a b K Overclocking
a c 95 à CPUs
June 14, 2014 9:08:18 AM

jediarron said:
chris987 said:
jediarron said:
chris987 said:
as i said, safe for everyday use temps, are lower than 75c. since you have great cooling and can maintain temps at such levels, i guess you can stay at 1.35v. if you cant, stick to 4.4ghz. they still offer great performance. as for the cpu longevity the lower the (voltage-temps) are the better.


To be honest is under 75 on Prime95 replicable of every day temperatures?

In reality, on games like ArmA 3 it will go to like 60-70, what it shows on Prime95 for 75.

However, I've tuned it down to 4.5 at 1.330, my max temperature is 77 degrees on Prime 95, I'm about to reduce it down to 1.320 and see if it holds 4.5



no, prime95 doesnt replicate everyday use. so i guess you are ok.finally ensure you have plenty of airflow inside your tower. mobo vrm can get pretty hot.!



Well 4.5 failed at 1330, so I think 1340 would do it. At the moment, however, I'm running 1295 for 4.4.

Are you supposed to use your PC normally whilst Prime95 is open? I am thinking maybe that's why it's crashing, I've been doing it all along.

Also, should I go for 4.5 @ 1335/40 or 4.4 @ 1295/1300



while stresstesting no other action should be taking place. for 100% stability you must run prime95 for several hours. also to test your psu stability try stress testing both cpu and gpu at once (furmark for instance.)
gererally i would say you have a rather stubborn cpu. i can do 4.4ghz with 1.215v when other can do 4.5ghz with 1.25v .
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June 14, 2014 9:12:55 AM

chris987 said:
jediarron said:
chris987 said:
jediarron said:
chris987 said:
as i said, safe for everyday use temps, are lower than 75c. since you have great cooling and can maintain temps at such levels, i guess you can stay at 1.35v. if you cant, stick to 4.4ghz. they still offer great performance. as for the cpu longevity the lower the (voltage-temps) are the better.


To be honest is under 75 on Prime95 replicable of every day temperatures?

In reality, on games like ArmA 3 it will go to like 60-70, what it shows on Prime95 for 75.

However, I've tuned it down to 4.5 at 1.330, my max temperature is 77 degrees on Prime 95, I'm about to reduce it down to 1.320 and see if it holds 4.5



no, prime95 doesnt replicate everyday use. so i guess you are ok.finally ensure you have plenty of airflow inside your tower. mobo vrm can get pretty hot.!



Well 4.5 failed at 1330, so I think 1340 would do it. At the moment, however, I'm running 1295 for 4.4.

Are you supposed to use your PC normally whilst Prime95 is open? I am thinking maybe that's why it's crashing, I've been doing it all along.

Also, should I go for 4.5 @ 1335/40 or 4.4 @ 1295/1300



while stresstesting no other action should be taking place. for 100% stability you must run prime95 for several hours. also to test your psu stability try stress testing both cpu and gpu at once (furmark for instance.)
gererally i would say you have a rather stubborn cpu. i can do 4.4ghz with 1.215v when other can do 4.5ghz with 1.25v .


Looks liek I haven't been stress testing it properly, the whole time, then.
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a b K Overclocking
a c 95 à CPUs
June 14, 2014 9:22:20 AM

dont worry finding the best setting requirs patience. keep in mind that your cpu is very strong and currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.

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June 14, 2014 9:47:58 AM

chris987 said:
dont worry finding the best setting requirs patience. keep in mind that your cpu is very strong and currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.



Right, I was definately doing it wrong by using my PC and stress testing at once. I can get to 4.5

' currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.' is a very useful thing to know, thanks. What above 4.5 GHz is justified by the extra performance boost if not gaming?
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a b K Overclocking
a c 95 à CPUs
June 14, 2014 9:57:46 AM

jediarron said:
chris987 said:
dont worry finding the best setting requirs patience. keep in mind that your cpu is very strong and currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.



Right, I was definately doing it wrong by using my PC and stress testing at once. I can get to 4.5

' currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.' is a very useful thing to know, thanks. What above 4.5 GHz is justified by the extra performance boost if not gaming?



if you are into serious business involving video editing or other demanding stuff that require a lot of horsepower .or lets just say when time is money!


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June 14, 2014 11:02:41 AM

chris987 said:
jediarron said:
chris987 said:
dont worry finding the best setting requirs patience. keep in mind that your cpu is very strong and currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.



Right, I was definately doing it wrong by using my PC and stress testing at once. I can get to 4.5

' currently at gaming, anything above 4.5ghz wont provide the performance boost to justify the enormous leap in heat produced.' is a very useful thing to know, thanks. What above 4.5 GHz is justified by the extra performance boost if not gaming?



if you are into serious business involving video editing or other demanding stuff that require a lot of horsepower .or lets just say when time is money!




I'm stable with 4.5v at 1.335v
4.4 is stable at 1.275, maybe lower.

What should I do?
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July 23, 2014 10:29:23 PM

Try to keep voltage down. reduce heat. the two things that kill chips. I run 4.6ghz OC on 1.146v. It says +.005 offset in bios. I found it to be more stable than manual voltage. This also allows the chip to run lower voltage and throttle back when not under heavy load. just my 2 cents from living in the desert.
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a b K Overclocking
a b à CPUs
July 24, 2014 1:29:02 AM

I would choose 4.4ghz with 1.27v vcore. It seems to be the sweet point of your cpu and at that voltage electromigration will not kill your cpu in the next few years. Also, keep in mind, a chip needing more voltage has it's up and downsides. You can't get an as high overclock, but you're likely to draw less power than a low voltage chip.
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a c 249 K Overclocking
a c 110 à CPUs
July 24, 2014 3:00:26 AM

jediarron said:
At the moment I think I'm stable on 4.6 GHz at 1.400 voltage. It's semi-fine tuned. Currently stable (after 30 minutes on Prime95)

My current temperatures on 4.6 GHz at 1.380 voltage running Prime 95:

(Let's say about 85 degrees, as that's probably the max it hits after running Prime95 for long hours)

My specs:

Noctua NH-D14 Air Fan
i7 3770k processor
8 GB 1600 Mhz Corsair RAM
Gigabyte Nvidia GTX 670
Gigabyte GA-Z77-D3H Motherboard
Lexa S Case with 4 out of 5 case fans

How far do you guys think I can overclock my i7 3770k?

Also, do you recommend that I overclock my i7 3770k even more, or do you guys recommend that I turn my overclock down to 4.4 or 4.5 GHz?

I want a speed that ensures long life of my CPU, and I'm not sure whether I should go higher, or even if I should go lower.

Please advise me as I'm not quite sure what to do with my overclock, whether to increase or reduce it as I don't want to harm my CPU life significantly:) 

*Also, I've just noticed that other overclockers with an i7 3770k get their overclock done at a significantly lower voltage than mine. I know all chips are different, but surely that can't be the explanation for such a difference in voltages when overclocking? I.e. I read a thread about some guy putting his voltage at 1.340 to get 4.6 GHz with a H70 cooler. And some other guy 1.285 @ 4.6 GHz with a H80i Cooler

** Mine just blue screened at 4.6 GHz at 1.400. Are you saying I've got to go above 1.400 to acheive a 4.6 GHz overclock. That seems a whole .100-.150 above what others would have to acheive the same overclock. Surely I'm missing something here?


How far you can clock your 3770K depends on the BIOS settings you use and if the CPU cooling can keep it cool enough.

Click my CPU-Z validation to the right to determine if you think I can possibly help you, because trying to take advice from too much input is confusing, which I am sure you are already experiencing.

Are you using an Ivy Bridge overclock guide, if so which one?

First of all list your full specs including model #s, especially your memory and your operating system as well?

A seemingly necessary high applied CPU voltage, may be because other BIOS settings are putting you into that need, or your cooling needs improving.

Noctua NH-D14 cooling performance can be improved by changing the stock fans it came with to higher performance 120mm cooling fans.

http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=36_1130_49_1047&products_id=24517

Believe it or not just one of these 110cfm fans in the center of the heat sink by itself, will improve cooling performance and 2 are even better!

Many swear by Prime95 but I never use it anymore because it just takes too long, and no matter what stress test program you use, just because you can complete it, does not mean you are 100% stable.

A stress testing application is the first step to stability, as they do not add the GPU or Audio load, you have to continue with benchmark testing, then onto gaming, which usually end up requiring a bump or 2 up in CPU voltage.

I use Intel Burn Test to stress test, you can Google a download if you decide to change, it will reveal instability in minutes vs hours of running P95.

At this point please answer my questions?



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