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Overclocking my i7 4770k (suggestions)

post #1 of 14
Thread Starter 
I'm fairly new to overclocking, so apologies if i'm making any noob mistakes smile.gif


I've been following a few guides and blogs over the net geared around overclocking this chip.

I've managed to get it to 4.4 @ 1.3V which is stable. I'm using Intel Extreme Tuning Utility to stress test the system, its survived a 4 hour stress test with max temp hitting 83c


Motherboard: MSI z87-G45 Gaming

I'm using the bios for overclock, but for some reason i was unable to save screenshots to my pen drive (i think maybe something wrong with my stick)

So heres a screenshot of ETU so you can see my settings:



(i hope this will suffice)


So with this information i'm asking a couple of questions:

Firstly, am i doing this right? like i said i'm pretty new to overclocking and what i've read in guides and what i see in my bios varies slightly, i've been unable to find any guides for this particular motherboard (maybe i'll write on once i learn this crap myself haha wink.gif)

Secondly, i'm looking for some suggestions for what i could try to get past this 4.4 GHz wall i seem to be hitting, I've tried setting the multiplier for each core to 45 (same procedure i used to get to 4.4) but it BSOD's when i stress it. Should i try a higher voltage? i read varied reports of people saying don't go higher than 1.3v others saying 1.4 is safe. I figure its all down to temps anyway but i just thought i'd check with some more experienced oc'ers if theres something else i should try before pushing the Voltage
post #2 of 14
Personally 1.35v is safe for 24/7. If you can get 4.5ghz and you are around the 1.35v mark your cpu will be fine assuming temps are good.
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128GB sandisk extreme SSD 2 tb Western digital media intel 530 128 gb SSD External LG BD RW 
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swiftech MCP-35X EK XRES 140 DDC Top WIN 7 ULTIMATE smk link 
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Seasonic G-750  Fractal Design R5 G700s HDHOMERUN 3 TUNER CABLE CARD 
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post #3 of 14
Thread Starter 
so you reckon the BSOD's are caused by not enough Voltage for 4.5GHz?

i so see at load (according to CPU-Z) voltage hitting 1.320V
post #4 of 14
It's half-decent.

I do 4.4Ghz, cache at 3.9, 1.28V in BIOS. Temps are going up to around 72 celsius in Intel XTU. Corsair H100i.

Although I'd like to go higher, Haswell is a little bit of a pain to OC if you don't delid (temps are raising fast)...so I called it quits early on this one....i keep my stable 4.4GHz any day....over the quest of extra few mhz....
post #5 of 14
Thread Starter 
4.5GHz @ 1.35V BSOD'd after the first 2 mins of stress in XTU :/

so i guess i've hit a wall at 4.4?
post #6 of 14
not exactly.

There is much more tweaks when OCing HASWELL than other previous Intel CPU.

You'll have to reach for users that run the same CPU/motherboard, start looking into their settings, considering exploring different BIOS revisions, and find the darn settings that actually do it for you....all that for maybe 0.1-0.2 GHz more...

Try reducing the CACHE clocks a little, because GHZ is king compared to cache frequency...
some people try to reduce memory speed a little too....try whatever...1866 maybe?

Mine is locked-in at 4.4GHz CPU/3.9GHz Cache, 1.28V, ALL power saving measures/settings turned OFF....8 months stable...
Edited by delavan - 3/23/14 at 1:25pm
post #7 of 14
Quote:
Originally Posted by Pendaz View Post

4.5GHz @ 1.35V BSOD'd after the first 2 mins of stress in XTU :/

so i guess i've hit a wall at 4.4?

Set ur ram at 1600 or 1300 and cache at 30 until you get core stable. Also raise vrin ( input voltage) to 1.950 volts it should help. You can go up a little past 1.35v core if you really want 4.5. I think you are close.
Edited by Wirerat - 3/23/14 at 9:24am
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CoolingCoolingCoolingCooling
Bitspower DDC Heatsink Black EK Coolstream XTC 140mm Rad EK Supremecy MX  EK FC980 Strix Water Block 
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swiftech MCP-35X EK XRES 140 DDC Top WIN 7 ULTIMATE smk link 
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CPUMotherboardGraphicsRAM
4770k 4.5ghz @1.29v asus z87-A EVGA 4gb GTX 970 FTW 1510mhz 8000mem 1.23v Adata XPG 8GB @ 2400mhz 11-13-13-35-1 
Hard DriveHard DriveCoolingCooling
OCZ VERTEX 3 90GB 1tb 7200 Seagate hybrid  D5 vario Primo chill 120mm D5 Compression Res 
CoolingCoolingCoolingCooling
Swiftech MCR-320 XP 360mm rad Swiftech MCR-320 XP 120mm rad EK Supreme LTX Cpu block Biitspower ACX GTX 970 Water block 
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win7 64bit ultimate G13 Seasonic M211 620 watt Nzxt Guardian 
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Cable box
(24 items)
 
Phat Bits
(16 items)
 
Lament Box
(16 items)
 
CPUMotherboardGraphicsRAM
i7-4790K 4.8ghz @ 1.245v Asus Maximus Hero VI 4GB Asus Strix GTX 980 Gskil Trident 2400 CL10 
Hard DriveHard DriveHard DriveOptical Drive
128GB sandisk extreme SSD 2 tb Western digital media intel 530 128 gb SSD External LG BD RW 
CoolingCoolingCoolingCooling
EK Coolstream 360mm PE Rad  Gentle typhoon AP-15 X 3 Fractal Design 140mm 1000RPM X3 Fractal Design Venturi High Flow Series 140mm F... 
CoolingCoolingCoolingCooling
Bitspower DDC Heatsink Black EK Coolstream XTC 140mm Rad EK Supremecy MX  EK FC980 Strix Water Block 
CoolingCoolingOSKeyboard
swiftech MCP-35X EK XRES 140 DDC Top WIN 7 ULTIMATE smk link 
PowerCaseMouseOther
Seasonic G-750  Fractal Design R5 G700s HDHOMERUN 3 TUNER CABLE CARD 
CPUMotherboardGraphicsRAM
4770k 4.5ghz @1.29v asus z87-A EVGA 4gb GTX 970 FTW 1510mhz 8000mem 1.23v Adata XPG 8GB @ 2400mhz 11-13-13-35-1 
Hard DriveHard DriveCoolingCooling
OCZ VERTEX 3 90GB 1tb 7200 Seagate hybrid  D5 vario Primo chill 120mm D5 Compression Res 
CoolingCoolingCoolingCooling
Swiftech MCR-320 XP 360mm rad Swiftech MCR-320 XP 120mm rad EK Supreme LTX Cpu block Biitspower ACX GTX 970 Water block 
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post #8 of 14
Thread Starter 
sorry for the late reply guys i've been away on holiday.


I re-jigged my WC system and replaced thermal paste, applied some of the settings youguys suggested (lowered mem freq/also increased my powerlimits as suggested to my by a user on the MSI forums as well as my VIN to 1.95V) and now i managed a 1 hour prime95 test at x44 @ 1.3V with max temps hitting 63c - much better than before


so now im going to try to push it further and see where i go smile.gif

thanks for the suggestions guys im feeling quite optimistic now
Edited by Pendaz - 4/12/14 at 3:12am
post #9 of 14
I have the same board. 1.3 is rather high voltages for 44 IMO. Should be able to hit that at like 1.2-1.25 I know mine took 1.3 to get 44 stable till I adjusted the system agent (SA voltage). You may want to set that to .03-.07 (mines at .05). It helps with memory stability and may let you squeak up more or lower voltages for your chip. I do have a small stability issue myself at 44 (tho all tests and prime work. My explorer hangs on occasion). That I am sure is a memory related thing
post #10 of 14
Thread Starter 
Quote:
Originally Posted by Namoge View Post

I have the same board. 1.3 is rather high voltages for 44 IMO. Should be able to hit that at like 1.2-1.25 I know mine took 1.3 to get 44 stable till I adjusted the system agent (SA voltage). You may want to set that to .03-.07 (mines at .05). It helps with memory stability and may let you squeak up more or lower voltages for your chip. I do have a small stability issue myself at 44 (tho all tests and prime work. My explorer hangs on occasion). That I am sure is a memory related thing

Thanks for the suggestions mate, I'm away with work until Friday but I'll have another look at the weekend and post back here with my results

Thanks again
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