Intel Haswell 4670k + 4770K Overclocking guide

[asafuziel]

are you on the latest bios for your board?

 

1.35v @ 1333MHz should be fine but I would still set the memory at 1.5V to be certainits not causing any issues.

 

What is your PIV set at?

 

yes my BIOS version is 0903 , release date: 10/09/2013

iv'e tried setting the ram to 1.5V, same result

and also changing the PIV from auto to 2.0V didn't help..

[scaryjam823]

Thanks for the guide. It helped me push my 4770k farther. I'm new to all this (been on laptops all my life) But your guide was a detailed well laid out and easy to follow. At 4.7ghz now, gonna shoot for 5ghz or as close as I can when I go water cool just to see how far I can go.

[Meffisto13]

Hi all please help with overclocking, I signed up in this business and I have a very bad with the English I'm from Ukraine

 

My config

 

CPU i5 4670k

MB Asrock z87 Extreme 4 new bios 2.60

VGA Asus 680gtx DCII

Memory GOOD RAM 2x4 1600 1.5v 9.9.9.24

Windows 8.1 PRO

Air Zalman FLEX + cooler Noctua w8 radiator and rebuild kit for water cooling

 

x43 x42 crashes XTU stress test 5-30 min and crash =( 

1.280 1285 1.290 .1.295 1.300 

 

BIOS screens 

 

 

Guys show me what to include and what not in the BIOS thanks in advance

[ProKoN]

 

Hi all please help with overclocking, I signed up in this business and I have a very bad with the English I'm from Ukraine

 

My config

 

CPU i5 4670k

MB Asrock z87 Extreme 4 new bios 2.60

VGA Asus 680gtx DCII

Memory GOOD RAM 2x4 1600 1.5v 9.9.9.24

Windows 8.1 PRO

Air Zalman FLEX + cooler Noctua w8 radiator and rebuild kit for water cooling

 

x43 x42 crashes XTU stress test 5-30 min and crash =( 

1.280 1285 1.290 .1.295 1.300 

 

BIOS screens 

 

 

Guys show me what to include and what not in the BIOS thanks in advance

 

have you tried dropping the memory down to 1333MHz?

[ProKoN]

yes my BIOS version is 0903 , release date: 10/09/2013

iv'e tried setting the ram to 1.5V, same result

and also changing the PIV from auto to 2.0V didn't help..

your chip may require more voltage and you may not be able to cool your chip past 1.32V

 

maybe try to get 4.3GHz stable

[Meffisto13]

 

Hi all please help with overclocking, I signed up in this business and I have a very bad with the English I'm from Ukraine

 

My config

 

CPU i5 4670k

MB Asrock z87 Extreme 4 new bios 2.60

VGA Asus 680gtx DCII

Memory GOOD RAM 2x4 1600 1.5v 9.9.9.24

Windows 8.1 PRO

Air Zalman FLEX + cooler Noctua w8 radiator and rebuild kit for water cooling

 

x43 x42 crashes XTU stress test 5-30 min and crash =( 

1.280 1285 1.290 .1.295 1.300 

 

BIOS screens 

 

 

Guys show me what to include and what not in the BIOS thanks in advance

 

No. ok try down memorry and voltage ?

[Meffisto13]

ProKoN

 

This my setings look pls and say me what need decrease

 

[m4nnylol]

Hello,

 

Well, I'm gonna try to keep this short. I have very minimal oc experience, and the 4770k I'm attempting to oc right now seems like a way different beast compared to the other chips I've successfully oc'ed in the past (2500k, 3770k). Since it's pretty standard, I'm gonna post some of my pc specs before I talk about my oc (still ongoing btw):

 

CPU - 4770k

MB - Asus ROG Maximus VI Hero

RAM - G.skill 16gb Sniper 1866

PSU - Corsair HX750

SSD/HDD - Kingston HyperX 240gb/WD 1tb blue

GPU - GTX 770 SC w/ ACX

OS - Windows 8.1

 

Before I actually started following your guide to the teeth, I wanted to see whether I got a great chip or an average chip by setting the CPU multipler to 46 and vcore at either 1.20 or 1.25 (can't remember exactly what I used). Either way, it ended up being average as it was able to actually load past the UEFI and into the OS, but crashed shortly after. Now, following your guide I inputed everything as follows: CPU multiplier = 44, CPU vcore = 1.25v, ram set @ 1333 and 1.5v. After some stress testing using IETU (I was using AIDA64 originally), I was able to stabilize 4.4ghz with a vcore of 1.29v for about 8 hours. Now I'm trying to find ring bus stability. Using your guide I set it to a 1:1 ratio, so it was set to 44. Ring voltage set at 1.29v since that's where I found stability with my cpu frequency and vccin @ 1.9v. My initial stress test crashed close to an hour in, so I bumped up the vccin gradually to 1.91, then 1.92 and 1.93 without any successful results (either crashed or just frooze completely). As I speak it's stress testing @ 1.94v vccin and hasn't crashed yet (granted it's only been 10 minutes, but I'll update should something happen.

 

Edit: Locked up again. I was curious and since the version of IETU I use (4.2 I believe, it supports windows 8.1) doesn't display my vccin voltage, I had to open AI Suite and it showed it running at 1.77v. Whether or not that's accurate I'm not sure, but I know it's set to manual and 1.9x in my BIOS. I'm currently testing again, this time with a 1.4v ring voltage, a supposed vccin of 1.9 and a 1:1 (44) ring bus multiplier. It's 30 minutes in and still going, will update if something happens.

Edited January 27, 2014 by m4nnylol

[KiretoX]

It's my turn to report my setup and clocks

 

CPU: i5-4670K

Cooling: CPU Fan CoolerMaster 212 Plus with original fan + secondary AC 3-pin connected to CPU_OPT, controlled by the main fan, but working slower; 120mm AC back fan, 200mm CM top fan, 120mm CM bottom fan, 200mm CM front fan and additional 120mm AC PWM fan for the HDDs (I have 5)

Case: CoolerMaster HAF 922

MB: Asus Z87-PRO C2

RAM: 8GB G.Skill TridentX F3-2400C10D-8GTX (2400MHz 10-12-12-31-2N)

PSU: CoolerMaster Silent Pro 600

SSD: Samsung SSD 830 120GB + 5 HDDs + ODD

GPU: AMD Radeon HD 5750

OS: Windows 7 64-bit

 

Currently my clocks, without too much fine tuning are as is:

 

CPU cores: 45x @ 1.27 vcore (44x works at 1.25 vcore)

CPU ring/cache: 43x @ 1.25vcore

VCCIN: 1.9v (haven't played with it)

XTU Max Temp: 79C

RAM: I am using it at the full power at 2400mhz, by the XMPP profile while testing. Difference in performance between 1333/1600 and 2400MHz, at least in Winrar, is massive.

 

Going down to CPU 45 x 1.26v gets unstable as well as going down for the ring vcore to 1.24 so I will keep it like that, unless I decide to keep cpu cores at 44x and get back to 1.25volts or test lower. I tried to get 44x ring cache with 1.25v, but it didn't work so It doesn't make sense for me to keep going further in trying to get it inline with the cpu core. I don't want to raise the temps anymore. CPU radiator is cool... as expected, but still second fan did make a difference by a degree or two.

 

 

EDIT: IXTU would pass 8h test, but while working with the computer Windows would get blue screen. So that's above is not stable. It's possibly ring bus at 43x that's the problem. Currently trying cache at 42x/1.25v and cpu core x46/1.28v to see what's going to happen.

 

I am also attaching comparison of memory performance between 1333MHz and 2400MHz XMPP, both with 4400cpu/3600cache.

 

1333MHz:

 

2400MHz:

[KiretoX]

OK, currently I'm testing it like this ... core x46 @ 1.29 and cache at x42 @ 1.25. 2.5 hours and its fine... will let it run tomorrow during the day.

 

 

EDIT: Blue screen again. I will now try with your voltage at cpucore x45 @ 1.255v while lowering cpu cache to x40 @ 1.25v.

Edited January 27, 2014 by KiretoX

[ProKoN]

Hello,

 

Well, I'm gonna try to keep this short. I have very minimal oc experience, and the 4770k I'm attempting to oc right now seems like a way different beast compared to the other chips I've successfully oc'ed in the past (2500k, 3770k). Since it's pretty standard, I'm gonna post some of my pc specs before I talk about my oc (still ongoing btw):

 

CPU - 4770k

MB - Asus ROG Maximus VI Hero

RAM - G.skill 16gb Sniper 1866

PSU - Corsair HX750

SSD/HDD - Kingston HyperX 240gb/WD 1tb blue

GPU - GTX 770 SC w/ ACX

OS - Windows 8.1

 

Before I actually started following your guide to the teeth, I wanted to see whether I got a great chip or an average chip by setting the CPU multipler to 46 and vcore at either 1.20 or 1.25 (can't remember exactly what I used). Either way, it ended up being average as it was able to actually load past the UEFI and into the OS, but crashed shortly after. Now, following your guide I inputed everything as follows: CPU multiplier = 44, CPU vcore = 1.25v, ram set @ 1333 and 1.5v. After some stress testing using IETU (I was using AIDA64 originally), I was able to stabilize 4.4ghz with a vcore of 1.29v for about 8 hours. Now I'm trying to find ring bus stability. Using your guide I set it to a 1:1 ratio, so it was set to 44. Ring voltage set at 1.29v since that's where I found stability with my cpu frequency and vccin @ 1.9v. My initial stress test crashed close to an hour in, so I bumped up the vccin gradually to 1.91, then 1.92 and 1.93 without any successful results (either crashed or just frooze completely). As I speak it's stress testing @ 1.94v vccin and hasn't crashed yet (granted it's only been 10 minutes, but I'll update should something happen.

 

Edit: Locked up again. I was curious and since the version of IETU I use (4.2 I believe, it supports windows 8.1) doesn't display my vccin voltage, I had to open AI Suite and it showed it running at 1.77v. Whether or not that's accurate I'm not sure, but I know it's set to manual and 1.9x in my BIOS. I'm currently testing again, this time with a 1.4v ring voltage, a supposed vccin of 1.9 and a 1:1 (44) ring bus multiplier. It's 30 minutes in and still going, will update if something happens.

 

your on the right track. keep testing and go with the flow. if you have to drop your ring bus multi down to 43 or 42, thats all good.

 

It's my turn to report my setup and clocks

 

CPU: i5-4670K

Cooling: CPU Fan CoolerMaster 212 Plus with original fan + secondary AC 3-pin connected to CPU_OPT, controlled by the main fan, but working slower; 120mm AC back fan, 200mm CM top fan, 120mm CM bottom fan, 200mm CM front fan and additional 120mm AC PWM fan for the HDDs (I have 5)

Case: CoolerMaster HAF 922

MB: Asus Z87-PRO C2

RAM: 8GB G.Skill TridentX F3-2400C10D-8GTX (2400MHz 10-12-12-31-2N)

PSU: CoolerMaster Silent Pro 600

SSD: Samsung SSD 830 120GB + 5 HDDs + ODD

GPU: AMD Radeon HD 5750

OS: Windows 7 64-bit

 

Currently my clocks, without too much fine tuning are as is:

 

CPU cores: 45x @ 1.27 vcore (44x works at 1.25 vcore)

CPU ring/cache: 43x @ 1.25vcore

VCCIN: 1.9v (haven't played with it)

XTU Max Temp: 79C

RAM: I am using it at the full power at 2400mhz, by the XMPP profile while testing. Difference in performance between 1333/1600 and 2400MHz, at least in Winrar, is massive.

 

Going down to CPU 45 x 1.26v gets unstable as well as going down for the ring vcore to 1.24 so I will keep it like that, unless I decide to keep cpu cores at 44x and get back to 1.25volts or test lower. I tried to get 44x ring cache with 1.25v, but it didn't work so It doesn't make sense for me to keep going further in trying to get it inline with the cpu core. I don't want to raise the temps anymore. CPU radiator is cool... as expected, but still second fan did make a difference by a degree or two.

 

 

EDIT: IXTU would pass 8h test, but while working with the computer Windows would get blue screen. So that's above is not stable. It's possibly ring bus at 43x that's the problem. Currently trying cache at 42x/1.25v and cpu core x46/1.28v to see what's going to happen.

 

I am also attaching comparison of memory performance between 1333MHz and 2400MHz XMPP, both with 4400cpu/3600cache.

 

1333MHz:

cachemem.png

 

2400MHz:

cachemem2.png

 

 

nice memory result. gskill makes some killer kits. thanks for sharing that.

 

get your cpu core stable first. before you start messing with the ring bus. pick either 4.5 or 4.6GHz

 

I'm curious. I have quite the same voltages. At this moment I have 4.5ghz on 1.255v and a cache of 4.3 at 1.250v.

I'm curious if you could run 4.6ghz at 1.28v when you lower your cache.

I tried 4.6ghz but I need about 1.33v for it. Thats quite alot (I also have a Hyper 212)

 

most chips will see a significant voltage increase to hit 4.6GHz stable. You will have to replace your cooler if you wish to push past 1.3V. That is an entry level cooler with an entry level price-tag yielding entry level results. if you wish to stay on air i highly recommended the noctua nhd-14.

 

that being said is the voltage increase and additional cooler cost worth it for an extra 100-200 MHz?

 

dropping the ring bus multiplier down will not help with reducing the voltage jump for the cpu core to go from 4.5 to 4.6.

 

4.5ghz on 1.255v and a cache of 4.3 at 1.250v <----- this is a very good overclock

[warmmilk]

is there any advantage to running adaptive voltage vs static other than power savings?

and on the same note "balanced" power option vs "high performance"  (high performance sets minimum cpu usage at 100% so that its alway running at max frequency, it also runs at your max voltage even if its set to adaptive in the bios)

 

I'm assuming, if anything, it'd be wear on the cpu.  but can anyone estimate how much?  am I risking burning out my cpu in less than a year running like that?  I'm not a 24/7 user, max 3-4 hours a day, sometimes I'll game for more on some weekends or something.  and I turn off my PC when I'm not using it.

[KiretoX]

nice memory result. gskill makes some killer kits. thanks for sharing that.

 

get your cpu core stable first. before you start messing with the ring bus. pick either 4.5 or 4.6GHz

 

---

 

most chips will see a significant voltage increase to hit 4.6GHz stable. You will have to replace your cooler if you wish to push past 1.3V. That is an entry level cooler with an entry level price-tag yielding entry level results. if you wish to stay on air i highly recommended the noctua nhd-14.

 

that being said is the voltage increase and additional cooler cost worth it for an extra 100-200 MHz?

 

dropping the ring bus multiplier down will not help with reducing the voltage jump for the cpu core to go from 4.5 to 4.6.

 

4.5ghz on 1.255v and a cache of 4.3 at 1.250v <----- this is a very good overclock

 

No problem for the memory results. I wanted to make a point that memory also make a big difference in performance. I will follow your advice of going after cpu core oc first and then cpu cache. Actually I am not looking for the ultimate OC as I am perfectly fine with 4400mhz... but have nothing else to do after work and this K processor has been bought so I can play with the PC. Now that you mentioned Noctua NH-D14 I started to think... is this huge and ugly thing going to make sense for me? It would cost me around 65 euros.... and my CM 212 Plus I got for free so I am not loosing money on that cooler, there will be other uses on that. But looking at OC comparisons where I see 7-10C difference in temps between 212 and the Noctua... hmm, I'm really tempted. Thing is that my 212's radiator doesn't really gets hot or even warm (AC MX4 thermal paste here)... thus is there a point of having a better cooler? I guess there would be if Haswell was done better internally with it's voltage regulator and heat dissipation.

 

is there any advantage to running adaptive voltage vs static other than power savings?

and on the same note "balanced" power option vs "high performance"  (high performance sets minimum cpu usage at 100% so that its alway running at max frequency, it also runs at your max voltage even if its set to adaptive in the bios)

 

I'm assuming, if anything, it'd be wear on the cpu.  but can anyone estimate how much?  am I risking burning out my cpu in less than a year running like that?  I'm not a 24/7 user, max 3-4 hours a day, sometimes I'll game for more on some weekends or something.  and I turn off my PC when I'm not using it.

 

I would add thermal and noise savings other than power savings. The lower then temp, the lower the fans rpm so the lower the noise. Unless you have hearing issues like me and don't care about noise

[warmmilk]

 

I would add thermal and noise savings other than power savings. The lower then temp, the lower the fans rpm so the lower the noise. Unless you have hearing issues like me and don't care about noise

 

watercooled, noise isn't an issue.  and temps don't go up unless the cpu is under load.  maybe it goes up a few degree's, I didn't really pay attention, but its not like its sitting at 60+ degree's all the time.

[Alex780]

When using intel intel etu for monitoring and occt for stress testing at the same time I get lock ups. Seems like these two programs don't go well together... Has any of you guys experienced something similar?

[m4nnylol]

Alright, quick update on my oc adventures:

 

CPU: 4.4ghz @ 1.31v

Ring/cache: 4.2ghz @ 1.31v

Vccin: 1.91v

 

Max temps average around 80c or less. Now I'm just working on lowering the vccin and cache voltages.

 

Also figured out that if you use an Asus ROG mobo, tweaking the eventual cpu input voltage will alter your vccin. Initial input voltage has little to no effect at all.

[harishcs]

ok the first thing i did from your guide was download intel extreme tuning utility but the manual tuning tab shows up empty and processor frequency is 0.00GHz? why is that? 

[KiretoX]

Which version do you have? Last one is 4.3.0.11.

[Guest]

WOW!!!

Realy amazing how much time you put in this tutorial

[ProKoN]

thanks for everyone's support. I hope this guide has helped, even if just got you started. I appreciate everyone's participation in the thread from valued established forum members! I also thank all of the new users who found the forum from youtube and made their first LTT post in this thread.

 

60K + views.........Im blushing. better than a sticky..

[bmis42988]

Hey everyone. I've tried pretty much everything I can think of but my pc just won't stop crashing at 4.4ghz no matter how much I give it. I bought this setup specifically to overclock but it seems I might have a below average chip.

My specs are:
i5 4670k
8gb corsair xms3
Z87-GD65 gaming
AX 850w PSU
GTX 770

samsung 840 pro 250gb ssd
h100i cooler

So far I've tried all the way up to 1.35 vcore and 1.9 vccin with ram at 1.5v @1333mhz. Can't get to login screen. Went down to 4.3ghz @ 1.27vcore, 1.9 vccin and ram 1.5v @1333mhz and I've been stress testing with IETU for 9 hours. Temps were max of 61c.

I know I have thermal headroom but I don't understand why I can't get 4.4ghz to even get into windows. I'm not sure if upping the vcore is even a good idea just to reach 4.4ghz. Anyone have any thoughts or ideas? I'm at a loss and it's really frustrating.

[ProKoN]

Hey everyone. I've tried pretty much everything I can think of but my pc just won't stop crashing at 4.4ghz no matter how much I give it. I bought this setup specifically to overclock but it seems I might have a below average chip.

My specs are:

i5 4670k

8gb corsair xms3

Z87-GD65 gaming

AX 850w PSU

GTX 770

samsung 840 pro 250gb ssd

h100i cooler

So far I've tried all the way up to 1.35 vcore and 1.9 vccin with ram at 1.5v @1333mhz. Can't get to login screen. Went down to 4.3ghz @ 1.27vcore, 1.9 vccin and ram 1.5v @1333mhz and I've been stress testing with IETU for 9 hours. Temps were max of 61c.

I know I have thermal headroom but I don't understand why I can't get 4.4ghz to even get into windows. I'm not sure if upping the vcore is even a good idea just to reach 4.4ghz. Anyone have any thoughts or ideas? I'm at a loss and it's really frustrating.

what board are you using?

 

are you on the latest official bios?

 

did you stress test at stock settings?

[bmis42988]

MSI z87-gd65 mobo, latest bios and i did a prime95 for a few hours when i first built it. The only other stress test I've done is the one I did after I read your guide.

[ProKoN]

MSI z87-gd65 mobo, latest bios and i did a prime95 for a few hours when i first built it. The only other stress test I've done is the one I did after I read your guide.

 

sorry my bad you had listed your specs.

 

all i can really suggest is keep the ring bus @ 3900MHz or lower (some people set it at 35x or 30x). make sure its not the ring bus causing instability.

 

try increasing your vccin 2.0V - 2.2V

[NtCreateThread]

sorry my bad you had listed your specs.

 

all i can really suggest is keep the ring bus @ 3900MHz or lower (some people set it at 35x or 30x). make sure its not the ring bus causing instability.

 

try increasing your vccin 2.0V - 2.2V

 

 

Hey I recently built a 4770k rig and have some questions about overclocking if you don't mind. 

 

1. Do you guys recommend overclocking the CPU automatically using something like AI Suite from Asus ?

2. CPU Z gives me a "Core Voltage" of 1.776 while AI Suite tells me the CPU Core voltage is 1.216, I am guessing the CPU-Z software has a bug but never hurts to be sure. 

3. How long do I need to run the stability test of AIDA64 to be sure the system is stable ?

4. What is the maximum recommended voltage for this CPU considering I'm running a h100i as cooling for it, in addition should I rely on AI Suite 3 for temperature reading of the CPU or Core Temp, for example Core temp gives me between 55-65 degrees at 4.4 while running AIDA64 but AI Suite is 46-50 degrees ?

 

Currently I can achieve the following stable overclocks (stable means like 3-4 hours with AIDA64 at least):

 

4.4 GHz, at 1.20 Core Voltage with RAM dialled at 1886 MHZ

4.5 GHz, at 1.24 Core Voltage with RAM dialled at 1886 MHZ

 

The issue comes with 4.6 GHz as I need to raise my voltage to 1.31-1.33 to keep it stable. Would you guys suggest this or should I just settle for one of the above ? 

 

Regarding temperatures even at 4.6 GHz with AIDA64 running I don't go over 65-70 degrees Celsius.