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Safe OC for Asus Maximus Hero / 4770k?

post #1 of 5
Thread Starter 
So I have the Asus Maximus hero with 4770k overclocked to 4.5ghz. The asus tech dude ran me through the process of doing this, and his method was to set my CPU voltage to + offset of 0.075 (1.36 volts) which was a bit hot on Small FFT's in prime 95 (90c or higher), but real world 100% stress on the cpu it was about 70c. So i returned that chip and got another one, hoping for a better overclocker. The new only could get up to 4.2ghz stable, I returned that one and finally am back at 4.5ghz but the +offset voltage required is 0.140 (also 1.36 volts) instead of 0.075 of the first CPU. The temps are the same about 45-50c in most games, it's totally stable and runs great but I'm curious if it's a negative thing having to bump up that value to 0.140 in the bios, almost double of the previous chip. Does that have any impact on if say I wanted to delid this chip and get a bit more out of it? Or is it a non issue and I'm free to move up beyond 0.140 provided it's stable?
post #2 of 5
If it's the same volt (1.36v) then it does not matter how many steps more you have to take it up in bios.

Anyways, you probably want to keep this at a maximum 1.4v provided you have the temperature to handle it. 22nm can only take so much, so most people won't go above 1.36v really. But I would say 1.4v would be your maximum "safe" if the temp is good enough. After that you may experience downgrading quicker than you would like.
    
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CPUMotherboardGraphicsRAM
|AMD Phenom II X6 1100T @ 4ghz| |Asus Crosshair IV Formula| |EVGA 780TI Classified| |4x2gb Corsair XMS 1600mhz CL7| 
Hard DriveCoolingOSMonitor
|840 Pro 256gb| |WD Red 2tb| |Corsair H50| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 100hz| 
KeyboardPowerCaseMouse
|Logitech G810 Orion Spectrum RGB| |Cooler Master 700w Silent Pro Gold| |Antec 1200 Orange mod| |Logitech G502 Proteus Spectrum RGB|  
AudioAudioAudio
|JBL L890 speakers| |Emotiva XDA-2 receiver| |2x Advanced Acoustic mono amp @ 200w 8ohm| 
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post #3 of 5
Thread Starter 
Thanks alot that helps alleviate some concerns. Sounds like staying where I'm at is the way to go then. Even with a delid the max OC with 1.40v is like 4.7ghz with this chip I have? Doesn't seem worth it since my temps are really solid as is, still good to know that value in the bios isn't anything out of whack, appreciate the info.
post #4 of 5
No worries.

Delidding in your case will not do much other than lower resale value. Of course you will get lower temps, but if they are fine it's not really needed.
    
CPUMotherboardGraphicsRAM
|AMD Phenom II X6 1100T @ 4ghz| |Asus Crosshair IV Formula| |EVGA 780TI Classified| |4x2gb Corsair XMS 1600mhz CL7| 
Hard DriveCoolingOSMonitor
|840 Pro 256gb| |WD Red 2tb| |Corsair H50| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 100hz| 
KeyboardPowerCaseMouse
|Logitech G810 Orion Spectrum RGB| |Cooler Master 700w Silent Pro Gold| |Antec 1200 Orange mod| |Logitech G502 Proteus Spectrum RGB|  
AudioAudioAudio
|JBL L890 speakers| |Emotiva XDA-2 receiver| |2x Advanced Acoustic mono amp @ 200w 8ohm| 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
|AMD Phenom II X6 1100T @ 4ghz| |Asus Crosshair IV Formula| |EVGA 780TI Classified| |4x2gb Corsair XMS 1600mhz CL7| 
Hard DriveCoolingOSMonitor
|840 Pro 256gb| |WD Red 2tb| |Corsair H50| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 100hz| 
KeyboardPowerCaseMouse
|Logitech G810 Orion Spectrum RGB| |Cooler Master 700w Silent Pro Gold| |Antec 1200 Orange mod| |Logitech G502 Proteus Spectrum RGB|  
AudioAudioAudio
|JBL L890 speakers| |Emotiva XDA-2 receiver| |2x Advanced Acoustic mono amp @ 200w 8ohm| 
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post #5 of 5
its all down to the chip really, mine im using atm does 4.8 with 1.25v 24/7 use and doesnt rise past 70c in real world use =\ same motherboard as yours btw. all about luck.
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I7 6700K ASUS Maximus VIII Impact EVGA GTX TITAN X G.skill 16gb 3200 ddr4 
Hard DriveHard DriveHard DriveCooling
Samsung 840 pro 250gb Samsung 840 evo 250gb Samsung 840 evo 250gb Ice kings magic. 
OSMonitorKeyboardPower
WIN 10 Wasabi Mango 42" 4k Corsair k70 EVGA 1000w P2 
CaseMouseAudio
Caselabs Mercury S3 Razer naga :( sennheiser HD 558 
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LEGION
(15 items)
 
  
CPUMotherboardGraphicsRAM
I7 6700K ASUS Maximus VIII Impact EVGA GTX TITAN X G.skill 16gb 3200 ddr4 
Hard DriveHard DriveHard DriveCooling
Samsung 840 pro 250gb Samsung 840 evo 250gb Samsung 840 evo 250gb Ice kings magic. 
OSMonitorKeyboardPower
WIN 10 Wasabi Mango 42" 4k Corsair k70 EVGA 1000w P2 
CaseMouseAudio
Caselabs Mercury S3 Razer naga :( sennheiser HD 558 
  hide details  
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