Intel God's "Quick & Dirty" OC Guide to 4.4Ghz with Haswell

[Som3one]

I would give it a try. You've got nothing to lose.

Yogi

Looks good so far. Well, I had to increase the VCore a little to 1.31 but since then everything looks very good:
x264 HD Benchmark: Stable after around 8 hours.
IBT: Stable after several runs with 20 loops on different stress levels. (Thought the high level gives very high temperatures.)
IETU: Stable after 2.5 hours of stress testing.

Also did a couple of hours of BF4 and some manual video encoding and nor BSOD or problems what so ever.


That being said, I tried to get it Prime-stable, too before just for the sake of it. And I think I got it stable (2.5 hours run that is) with 1.4 VCore, 2.0 Input, 1.25 Cache and the RAM set to 1333.
I mean, that is an insane increase in voltages to get it from "stable" to "prime-stable". And the temperatures on IBT with those settings were hitting 100°C, too.

 

[Y0GI]

That is too much voltage and your temps are too high. Limit Vcore to 1.300 v. and temp to 90*C. during IBT.

Yogi

 

[Som3one]

0.01V doesnt make that much difference. And my average temperature on IBT is at around 84°C with a few peaks to 89°C. On high settings that is.

 

[CmdrRiker]

Hi all,

I've been having some trouble with my OC. I followed the OP but I'm either BSOD right on boot or as soon as I start Prime95. I'd really appreciate some help as I'm new to the OC world.

CPU Ratio: 44
CPU Cache: 35
Vcore Override voltage: 1.3
Vcore voltage additional offset: 0.010
CPU Cache OVerride voltage: 1.2
CPU Cache Voltage offset: 0.010
CPU Input Fixed Voltage: 2.1 V

Motherboard: AsRock Extreme6 Z87
CPU: i7-4700k
CPU Cooler: Corsair H100i

 

[Y0GI]

Hi all,

I've been having some trouble with my OC. I followed the OP but I'm either BSOD right on boot or as soon as I start Prime95. I'd really appreciate some help as I'm new to the OC world.

CPU Ratio: 44
CPU Cache: 35
Vcore Override voltage: 1.3
Vcore voltage additional offset: 0.010
CPU Cache OVerride voltage: 1.2
CPU Cache Voltage offset: 0.010
CPU Input Fixed Voltage: 2.1 V

Motherboard: AsRock Extreme6 Z87
CPU: i7-4700k
CPU Cooler: Corsair H100i

Your settings all look good. If you're unstable at those settings, then all that you can do is reduce CPU Ratio until the system becomes stable.

Yogi

 

[CmdrRiker]

Thank you Yogi. I've brought my CPU ratio down to 42 and scaled back to voltages to the minimums listed in the OP. I'm running IBT on 10 passes now and am noticing my temps go from mid 60's up to 85-87C and then back to mid-60's. Is that attributed to the delay in the fans kicking up??

 

[Y0GI]

Thank you Yogi. I've brought my CPU ratio down to 42 and scaled back to voltages to the minimums listed in the OP. I'm running IBT on 10 passes now and am noticing my temps go from mid 60's up to 85-87C and then back to mid-60's. Is that attributed to the delay in the fans kicking up??

I don't think so. From what I've seen on Intel Extreme Tuning Utility, IBT does not have a constant load on the CPU. CPU load cycles up and down during the test.

Yogi

 

[CmdrRiker]

Ok, that makes sense. Just one final question - what temps should I be looking for? I've peaked at about 91 using IBT on High for 10 passes - is that too hot?

 

[airplanegeek]

Okay... I maxed out at 4.2 ghz at 1.222 adaptive vcore. I just read this thread (http://www.overclockers.com/3step-guide-to-overclock-intel-haswell) and these guys are getting 4.7 and 4.8 at 1.2-1.25 vcore. I'm really starting to question my overclock....
Will adjusting my CPU Cache Ratio to be closer to my CPU frequency help stability?
Will OCing in BIOS grant me better clocks than AI Suite III?
What do I need to do to get these awesome overclocks at low vcore?
When I get home to my PC I will take screenshots of AI Suite III for you guys to see my settings.

I thinks it depends on the chip mines needs 1.28v to get to 4.3Ghz if the chip is good then u could reach 4.5Ghz on about 1.25v to 1.30 maybe less which i seen on here n on other sites i am trying to reach 4.4Ghz n nothing yet

So I ended up replacing a faulty 4670k thru newegg at no cost so I have 2 now and I tried overclocking the new one and I can boot and run stable in Aida64 for 2+ hours at 4.4 with vcore at 1.23 and input voltage at 1.85 but my temps get kinda hot for some reason. 2 cores peaked at 88 but they all average in the 70's. I'm thinking this is because I never dropped my cache voltage back down from 1.25? I will mess with it later and report my results, but this new chip was able to boot into windows at 4.6 I just didn't test it for stability at that speed because my temps were way to high, which isn't making sense since my voltages are relatively low and im using corsair h100i water cooling.

Thank you Yogi. I've brought my CPU ratio down to 42 and scaled back to voltages to the minimums listed in the OP. I'm running IBT on 10 passes now and am noticing my temps go from mid 60's up to 85-87C and then back to mid-60's. Is that attributed to the delay in the fans kicking up??

Ok, that makes sense. Just one final question - what temps should I be looking for? I've peaked at about 91 using IBT on High for 10 passes - is that too hot?

You generally shouldn't go above 90, but 91 is ok. Thats what mine gets up to

 

[CmdrRiker]

Okay... I maxed out at 4.2 ghz at 1.222 adaptive vcore. I just read this thread (http://www.overclockers.com/3step-guide-to-overclock-intel-haswell) and these guys are getting 4.7 and 4.8 at 1.2-1.25 vcore. I'm really starting to question my overclock....
Will adjusting my CPU Cache Ratio to be closer to my CPU frequency help stability?
Will OCing in BIOS grant me better clocks than AI Suite III?
What do I need to do to get these awesome overclocks at low vcore?
When I get home to my PC I will take screenshots of AI Suite III for you guys to see my settings.

I thinks it depends on the chip mines needs 1.28v to get to 4.3Ghz if the chip is good then u could reach 4.5Ghz on about 1.25v to 1.30 maybe less which i seen on here n on other sites i am trying to reach 4.4Ghz n nothing yet

So I ended up replacing a faulty 4670k thru newegg at no cost so I have 2 now and I tried overclocking the new one and I can boot and run stable in Aida64 for 2+ hours at 4.4 with vcore at 1.23 and input voltage at 1.85 but my temps get kinda hot for some reason. 2 cores peaked at 88 but they all average in the 70's. I'm thinking this is because I never dropped my cache voltage back down from 1.25? I will mess with it later and report my results, but this new chip was able to boot into windows at 4.6 I just didn't test it for stability at that speed because my temps were way to high, which isn't making sense since my voltages are relatively low and im using corsair h100i water cooling.

Thank you Yogi. I've brought my CPU ratio down to 42 and scaled back to voltages to the minimums listed in the OP. I'm running IBT on 10 passes now and am noticing my temps go from mid 60's up to 85-87C and then back to mid-60's. Is that attributed to the delay in the fans kicking up??

Ok, that makes sense. Just one final question - what temps should I be looking for? I've peaked at about 91 using IBT on High for 10 passes - is that too hot?

You generally shouldn't go above 90, but 91 is ok. Thats what mine gets up to

Sorry, just so I understand - I shouldn't go above 90 during testing or during daily use? I've tried playing a few games on it (Flight Sim X and GTA IV) and my temps stay around high 50s low 60s.

 

[DeltaRecon2552]

I'm going to suggest that all the Prime users try IBT with their overclock. Prime seemed to auto crash me at 4.4 no matter the settings, but IBT proves it's stable. So if you can't get anywhere on prime. Try Intel Burn Test.

 

[airplanegeek]

I'm going to suggest that all the Prime users try IBT with their overclock. Prime seemed to auto crash me at 4.4 no matter the settings, but IBT proves it's stable. So if you can't get anywhere on prime. Try Intel Burn Test.

Prime is more effective at weeding out instability than IBT. If your chip crashes on prime, that means its not fully stable. Sure, you might never crash in daily usage, but just keep that in mind.

 

[Som3one]

Glad it´s not just me. Already thought Prime just doesn´t like my chip.

I mean, I can throw any usage or stress test at my OC and it passes. Just not Prime.

 

[JAYFRESH1271]

Same here i could get 4.3ghz but it takes 1.285v input 2.0v cache 1.20 pass IBT on high 10 runs did 8.10 hours of prime95 small FTT but when i try to get to 4.4ghz i pass IBT n get a blue screen on prime95 or i get a blue screen on IBT

 

[nagasama]

i wonder how much the mobo has to do with getting a good OC out of these chips. i see quite a few MSI g45/gd65 (i have a g45) users getting 4.5-4.6 with nowhere near 1.3v.
as far as the temps go, i wouldnt be comfortable seeing 90* doing ANYTHING, but that is me (and likely a throwback to the old days lol). i would say however, if your game temps are 50-60* and thats your primary use for your rig, no problem.

 

[mike30045]

Just thought I'd post an update here to share. My last post I said I was stable at 4.4Ghz with 1.24vcore and 1.85v input but my temps were hitting high 80's.
Well over the weekend I delidded my CPU with the hammer and vice method (which is so easy, I was scared at first but it is a lot safer than the razor method). My buddy had some Coollaboratory Liquid Pro so after cleaning all the stock TIM and glue from Intel we applied the Coollaboratory Liquid Pro to the CPU die and put the Heat spreader back on.
After firing up the computer and running Aida 64 stress test again my core temps didn't go any higher than 56...that's an impressive 30 degree gain from delidding! I might now try to see if I can get this thing stable at 4.5 or 4.6 since my voltages are still pretty low as well.
If you are having temp issues and want to delid I would recommend the hammer and vice method.

 

[nagasama]

Just thought I'd post an update here to share. My last post I said I was stable at 4.4Ghz with 1.24vcore and 1.85v input but my temps were hitting high 80's.
Well over the weekend I delidded my CPU with the hammer and vice method (which is so easy, I was scared at first but it is a lot safer than the razor method). My buddy had some Coollaboratory Liquid Pro so after cleaning all the stock TIM and glue from Intel we applied the Coollaboratory Liquid Pro to the CPU die and put the Heat spreader back on.
After firing up the computer and running Aida 64 stress test again my core temps didn't go any higher than 56...that's an impressive 30 degree gain from delidding! I might now try to see if I can get this thing stable at 4.5 or 4.6 since my voltages are still pretty low as well.
If you are having temp issues and want to delid I would recommend the hammer and vice method.

That's awesome. More power to you for giving it a shot! Me personally there is no way I'm going to do it. Just scaredy cat I guess lol and my temps are actually quite good as it is.

 

[mike30045]

Just thought I'd post an update here to share. My last post I said I was stable at 4.4Ghz with 1.24vcore and 1.85v input but my temps were hitting high 80's.
Well over the weekend I delidded my CPU with the hammer and vice method (which is so easy, I was scared at first but it is a lot safer than the razor method). My buddy had some Coollaboratory Liquid Pro so after cleaning all the stock TIM and glue from Intel we applied the Coollaboratory Liquid Pro to the CPU die and put the Heat spreader back on.
After firing up the computer and running Aida 64 stress test again my core temps didn't go any higher than 56...that's an impressive 30 degree gain from delidding! I might now try to see if I can get this thing stable at 4.5 or 4.6 since my voltages are still pretty low as well.
If you are having temp issues and want to delid I would recommend the hammer and vice method.

That's awesome. More power to you for giving it a shot! Me personally there is no way I'm going to do it. Just scaredy cat I guess lol and my temps are actually quite good as it is.

thanks haha....yeah if my temps were good to begin with I wouldnt have delidded but it ended up being very simple and benefited me a lot

 

[DeltaRecon2552]

Just thought I'd post an update here to share. My last post I said I was stable at 4.4Ghz with 1.24vcore and 1.85v input but my temps were hitting high 80's.
Well over the weekend I delidded my CPU with the hammer and vice method (which is so easy, I was scared at first but it is a lot safer than the razor method). My buddy had some Coollaboratory Liquid Pro so after cleaning all the stock TIM and glue from Intel we applied the Coollaboratory Liquid Pro to the CPU die and put the Heat spreader back on.
After firing up the computer and running Aida 64 stress test again my core temps didn't go any higher than 56...that's an impressive 30 degree gain from delidding! I might now try to see if I can get this thing stable at 4.5 or 4.6 since my voltages are still pretty low as well.
If you are having temp issues and want to delid I would recommend the hammer and vice method.

What mobo are you using?

 

[mike30045]

Just thought I'd post an update here to share. My last post I said I was stable at 4.4Ghz with 1.24vcore and 1.85v input but my temps were hitting high 80's.
Well over the weekend I delidded my CPU with the hammer and vice method (which is so easy, I was scared at first but it is a lot safer than the razor method). My buddy had some Coollaboratory Liquid Pro so after cleaning all the stock TIM and glue from Intel we applied the Coollaboratory Liquid Pro to the CPU die and put the Heat spreader back on.
After firing up the computer and running Aida 64 stress test again my core temps didn't go any higher than 56...that's an impressive 30 degree gain from delidding! I might now try to see if I can get this thing stable at 4.5 or 4.6 since my voltages are still pretty low as well.
If you are having temp issues and want to delid I would recommend the hammer and vice method.

What mobo are you using?

I have an Asus Maximus VI Hero board

 

[sirbock]

Hello mates
I wandered around reading and overclocking my little i5-4670K till i found you

Till yesterday i had some random BSOD running 4.6 ghz, but following all your posts it seems i solved the issue.

Now my lovely cpu works fine with this settings:
CPU x46
CPU cache x44
CPU input voltage fixed 1.9
CPU Vcore (fixed) 1.265
CPU Cache Voltage (fixed) 1.265
System Agent Voltage +0.200
+ some UEFI settings to have more stability on OC

Run IBT on high for 5 times (50 tries total) + AIDA64 stress test and everything seems fine.
Temps just reached 79° some times (water cooling with Swiftech H220)

Now i am playing with my favorite online game (EVE Online) which always had random BSOD although is a no stressing game, till now seems all good... crossing my fingers

I will stress more in the next days and i will post complete screenshots of my settings.

Let's go !

 

[Y0GI]

CPU Cache Voltage (fixed) 1.265

That's a little high and may not be needed. My MB goes into red numbers at 1.200 v. and above.

Yogi

 

[DeltaRecon2552]

Nah. Anything under 1.300 is good with 90- temps

 

[airplanegeek]

I need to have me cache voltage at 1.28 to be stable at 4.7
What does the system agent voltage do? Does it help with stability a lot?

 

[Som3one]

Nah. Anything under 1.300 is good with 90- temps

Really? I am not even sure my motherboard would even support those values. lol

Anyway, just a quick question: I see many of you use pretty high Cache Multis. I always thought that lowering it would aid stability.
Well...at least a little bit.