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i5-4670k 24/7 OC Safe?

post #1 of 8
Thread Starter 
Hey everyone. I managed to get my 4670k to 4.6GHZ @1.405V stable. Is it safe to run a high voltage, or should i back down? I am running a custom loop, and my max temps on the IBT are 74C

Thanks!
post #2 of 8
That voltage is pretty high, I suspect it would diminish the life expectancy significantly. I'd suggest finding a stable overclock <1.35v if you plan on keeping the chip more than a year or 2.
 
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post #3 of 8
I actually just read in another thread that anything beyond 1.35v is likely to cause significant degradation to Haswell chips.

Here's the thread:
http://www.overclock.net/t/1475351/i-think-my-4770k-gave-out

I don't have a Haswell chip so I can't comment from personal experience. Having quite a bit of experience with Sandy Bridge and Ivy Bridge though, 1.405v seems quite high for even those chips. Given Haswell is a smaller process (less voltage needed), I wouldn't feel comfortable above 1.30v for 24/7 usage.
post #4 of 8
Thread Starter 
Alright. How about 1.350 for 4.5GHz?
post #5 of 8
That's at the upper limit for safe voltage, but you'll probably be upgrading before it becomes a problem.
 
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CPUMotherboardGraphicsGraphics
I5 7600K Gigabyte Z270x-ud3 EVGA GTX 1050 Zotac 1080 AMP! 
RAMHard DriveCoolingOS
Corsair Vengeance LED Sandisk 128GB m.2 Arctic Liquid Freezer 240 Windows 10 
PowerCase
Corsair CX750M Corsair Carbide 500r 
CPUMotherboardGraphicsRAM
i5 4670k @ 4.4ghz z97-hd3p EVGA GTX1070 SC 2x4gb Adata 2133 
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CPUMotherboardGraphicsRAM
Intel I7 2700k @ 4.4ghz 1.32v ECS P67H2-A2 SLI EVGA GTX970 SSC 16gb Gskill 1600 
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by notyettoday View Post

That's at the upper limit for safe voltage, but you'll probably be upgrading before it becomes a problem.

Alright, i think i may back down to 4.5GHz. I'll run some tests to see if there is any difference.
post #7 of 8
Depending on what you use the system for, the difference will most likely be negligible. Let us know what you find!
 
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I5 7600K Gigabyte Z270x-ud3 EVGA GTX 1050 Zotac 1080 AMP! 
RAMHard DriveCoolingOS
Corsair Vengeance LED Sandisk 128GB m.2 Arctic Liquid Freezer 240 Windows 10 
PowerCase
Corsair CX750M Corsair Carbide 500r 
CPUMotherboardGraphicsRAM
i5 4670k @ 4.4ghz z97-hd3p EVGA GTX1070 SC 2x4gb Adata 2133 
Hard DriveHard DriveCoolingPower
Samsung m.2 128gb ssd 1tb Samsung Spinpoint Deepcool Assassin II Thermaltake 850w 
Case
Lian-Li pc-v1000 
CPUMotherboardGraphicsRAM
Intel I7 2700k @ 4.4ghz 1.32v ECS P67H2-A2 SLI EVGA GTX970 SSC 16gb Gskill 1600 
Hard DriveOptical DriveCoolingOS
Samsung 256gb SSD Garden Variety DVD-RW Prolimatech Armageddon Windows 7 Pro X64 
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HTPC/Folder
(9 items)
 
Silent but Deadly
(14 items)
 
CPUMotherboardGraphicsGraphics
I5 7600K Gigabyte Z270x-ud3 EVGA GTX 1050 Zotac 1080 AMP! 
RAMHard DriveCoolingOS
Corsair Vengeance LED Sandisk 128GB m.2 Arctic Liquid Freezer 240 Windows 10 
PowerCase
Corsair CX750M Corsair Carbide 500r 
CPUMotherboardGraphicsRAM
i5 4670k @ 4.4ghz z97-hd3p EVGA GTX1070 SC 2x4gb Adata 2133 
Hard DriveHard DriveCoolingPower
Samsung m.2 128gb ssd 1tb Samsung Spinpoint Deepcool Assassin II Thermaltake 850w 
Case
Lian-Li pc-v1000 
CPUMotherboardGraphicsRAM
Intel I7 2700k @ 4.4ghz 1.32v ECS P67H2-A2 SLI EVGA GTX970 SSC 16gb Gskill 1600 
Hard DriveOptical DriveCoolingOS
Samsung 256gb SSD Garden Variety DVD-RW Prolimatech Armageddon Windows 7 Pro X64 
MonitorKeyboardPowerCase
SONY 34" Crt TV Logitech MK320 Wireless keyboard set Corsair CX600M Lian Li PC-B70 
Mouse
Logitech MX1000 
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Reply
post #8 of 8
Thread Starter 
Quote:
Originally Posted by notyettoday View Post

Depending on what you use the system for, the difference will most likely be negligible. Let us know what you find!

Alrighty! Will do!
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