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Pimp the Haswell i5-4670K to 4GHz

post #1 of 27
Thread Starter 
Taking an i5-4670k up to 4Ghz as a start. Only CPU nothing else. How is that done correctly? I have 3 pictures, then I would like some overclocking veterans to help me out, what needs to get adjusted.
In picture 1, I have marked with red what I THINK needs to get adjusted.

2nd picture, I got no clue what to edit. Also if you look at the last picture. Will auto volt be okay? As I just assume the voltage will notice the MHz increase, and then adjust voltages acording to that. If this is the case, does auto take care of what it thinks the minimum voltage will be with the new Mhz increase? Or the maximum?

Click pictures for enlarged.



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post #2 of 27
Workshop: How to overclock Haswell processors

This has good info for your board settings. I wouldn't worry about disabling EIST and c-states.

Use manual voltages, you can push the VCore up to 1.300v if your temps allow it, but start at 1.200 or 1.250v. VRIN is usally happy 0.400-0.800v above VCore

Manually set your Uncore ratio to 35 and your CPU RING to 1.050v

Keep an eye on your temps. I recommend Realbench or AIDA64 for stability testing, I've been using OCCT:Linpack 90% RAM lately. Stay away from Prime95 and LinX.

Let us know what you can get up to.

EDIT: I forgot to link the Haswell OC forum...Haswell Overclocking Guide [With Statistics]
Edited by kl6mk6 - 9/30/15 at 7:51am
post #3 of 27
Thread Starter 
Do I really need to mess with any other voltages, than the CPU voltage for this 4Ghz overclock? I am not comfortable messing with serval different voltages. if you look at my last picture, shouldnt auto take care of everything?
Also what about 2nd picture settings, like that turbo boost.

--Like these guys here, seems to be just messing with the CPU voltage:
http://www.bit-tech.net/hardware/2013/06/12/intel-core-i5-4670k-haswell-cpu-review/7
http://www.xbitlabs.com/articles/cpu/display/core-i5-4670k-4670-4570-4430_8.html#sect0


And what is bad about prime95? I have been reading you just need to use 27.9 or earlier for Haswell. True or false?

I am not interested in finetuning the volt(s) down to the smallest tiny percentage, just to be able to get 3c lower, and voltages 1.130 vs 1.134 (bad example but still) I dont care.

4Ghz is needed. It is not a world record. Is it not possible to achieve it plain and simple, without having to mess with serval things at once?
I was hoping for a all voltages on auto (and editing the cpu voltage as the max) then stress test for 4 hours (yeah I know someone will probably say 24hours, I just dont want that) Then if no errors, call it a day. Overclocking is not an hobby of my. And because of that, that is why the goal is only 4GHz.
Edited by wendigo4700 - 9/30/15 at 8:15am
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post #4 of 27
For what you are trying to do, you can just change VCore. I used to use P95 v26.6, but I found it runs really hot and other programs have easier settings for testing and run at more realistic full load temps.
post #5 of 27
Thread Starter 
Alright. I looked up Realbench. But is it just me, or it seems to be exclusively for Asus users?

I also digged up 4 examples what others had to set their CPU voltages to, for 4Ghz on 4670k

1.120 voltage

1.155 voltage

1.160 voltage

1.176 voltage

I guess I could start with 1.120 and work my way up if it fails?
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1x Samsung 840 PRO 256GB Phanteks ph-tc14pe w/ BeQuiet SW2 550RPM  Windows 7 Home Premium 64bit Sony FW900 1920x1200 
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post #6 of 27
Realbench is designed by ASUS, that's why it looks like that. It will run on any system. I would start low and work your way up like you said.
post #7 of 27
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post #8 of 27
Thread Starter 
Quote:
Originally Posted by kl6mk6 View Post

Realbench is designed by ASUS, that's why it looks like that. It will run on any system. I would start low and work your way up like you said.

Alright. I got the program downloaded and saved. Does the benchmarking do any stress testing, or should I stick mainly to the stress test option? Despite those 4 options under the benchmark, their description still sounds like it puts some load on the system.

I also read somewhere people saying to set the stress testing to all the memory you got. But the "how to use" doesnt suggest that. What is your thought on that?
The devils pc.
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CPUMotherboardGraphicsRAM
i5-4690K MSI Z87-G45 Asus strix gtx 980 G.Skill TridentX, 8GBx2, 2400MHz 
Hard DriveCoolingOSMonitor
1x Samsung 840 PRO 256GB Phanteks ph-tc14pe w/ BeQuiet SW2 550RPM  Windows 7 Home Premium 64bit Sony FW900 1920x1200 
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The devils pc.
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CPUMotherboardGraphicsRAM
i5-4690K MSI Z87-G45 Asus strix gtx 980 G.Skill TridentX, 8GBx2, 2400MHz 
Hard DriveCoolingOSMonitor
1x Samsung 840 PRO 256GB Phanteks ph-tc14pe w/ BeQuiet SW2 550RPM  Windows 7 Home Premium 64bit Sony FW900 1920x1200 
KeyboardPowerCaseMouse
Saitek eclipse II BeQuiet! Dark Power Pro P11 550w Lian Li PC-8FIB  Logitech MX518 
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post #9 of 27
Not sure in realbench, select the highest it will let you. If it passes realbench, I run OCCT:Linpack 90% RAM for 30 min to verify it is stable with xmp. Then do some gaming for a few hours tongue.gif
post #10 of 27
Thread Starter 
Alright. 8gb memory is avaliable, so I will just select 8gb in RealBench. So I should just forget all about the benchmark loading test, and fully focus on the stress test loading?
The devils pc.
(15 items)
 
  
CPUMotherboardGraphicsRAM
i5-4690K MSI Z87-G45 Asus strix gtx 980 G.Skill TridentX, 8GBx2, 2400MHz 
Hard DriveCoolingOSMonitor
1x Samsung 840 PRO 256GB Phanteks ph-tc14pe w/ BeQuiet SW2 550RPM  Windows 7 Home Premium 64bit Sony FW900 1920x1200 
KeyboardPowerCaseMouse
Saitek eclipse II BeQuiet! Dark Power Pro P11 550w Lian Li PC-8FIB  Logitech MX518 
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QPAD CT Medium 4mm Creative SoundBlaster ZxR 
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The devils pc.
(15 items)
 
  
CPUMotherboardGraphicsRAM
i5-4690K MSI Z87-G45 Asus strix gtx 980 G.Skill TridentX, 8GBx2, 2400MHz 
Hard DriveCoolingOSMonitor
1x Samsung 840 PRO 256GB Phanteks ph-tc14pe w/ BeQuiet SW2 550RPM  Windows 7 Home Premium 64bit Sony FW900 1920x1200 
KeyboardPowerCaseMouse
Saitek eclipse II BeQuiet! Dark Power Pro P11 550w Lian Li PC-8FIB  Logitech MX518 
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QPAD CT Medium 4mm Creative SoundBlaster ZxR 
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