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i7 3770k 4.5Ghz can't get it to settle

post #1 of 12
Thread Starter 
This is my first i7 and I've dealt with AMD before I have a 1100T at 4.2 FX8150 at 4.3. Got this i7 brand new with p8z77-v lk + 8GB kingston hyper 212+ for 250$. He wanted to buy a Macbook, I immediately bought it when I saw the condition.

Right now the settings im running is 4.2Ghz 1.19 Volts, i could prolly push it to 4.3 with the current settings. But if I go for 4.5Ghz I tried from 1.2-1.3 and still crashes either P95 or BSOD.












Edited by H Allen - 10/15/15 at 7:28pm
post #2 of 12
Quote:
Right now the settings im running is 4.2Ghz 1.19 Volts, i could prolly push it to 4.3 with the current settings. But if I go for 4.5Ghz I tried from 1.2-1.3 and still crashes either P95 or BSOD.

It's plausible for a 0.11v increase to not stabilize +300mhz. At higher overclocks, that might not even be enough for +200mhz. Just step more slowly, don't try to get +300mhz in one jump. A bunch of 33570k/3770k's also "only" did around 4.3 - 4.5ghz at 1.3v so it's not that unusual to fail prime with 4.5 @ 1.3, can't say more without more data.

You'll be on the hot side with a 3770k and low end cooler when using higher voltages. 1.2 is low, some of my friends around OCN have even used over 1.5vcore for edgy 24/7 overclocks though the 1.3 - 1.4 range is more accepted
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

It's plausible for a 0.11v increase to not stabilize +300mhz. At higher overclocks, that might not even be enough for +200mhz. Just step more slowly, don't try to get +300mhz in one jump. A bunch of 33570k/3770k's also "only" did around 4.3 - 4.5ghz at 1.3v so it's not that unusual to fail prime with 4.5 @ 1.3, can't say more without more data.

You'll be on the hot side with a 3770k and low end cooler when using higher voltages. 1.2 is low, some of my friends around OCN have even used over 1.5vcore for edgy 24/7 overclocks though the 1.3 - 1.4 range is more accepted

With the current Temps of 4.2-3 is that still safe? I don't wanna go overboard because I plan to get a Dark Rock Pro 3 or DH14 for this setup when boxing day comes.
post #4 of 12
Quote:
Originally Posted by H Allen View Post

With the current Temps of 4.2-3 is that still safe? I don't wanna go overboard because I plan to get a Dark Rock Pro 3 or DH14 for this setup when boxing day comes.

59c max during prime? Sure, keep it below ~90c, throttle temp is 105 IIRC.

Higher temps are ok especially when you're nowhere near the max voltage tolerances for the chip and when your regular 100% CPU loads won't get nearly as hot. Especially if you're gonna have lower temps in a couple months, it's fine
Edited by Cyro999 - 10/15/15 at 7:29pm
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post #5 of 12
What Cyro said.

If 1.2v is needed for 4.2 or 4.3 nomenclature would pit 4.5 in the lower to mid 1.3v range. Something like 1.3-1.35v.

If 1.2v is solidly needed for 4.2 then 1.35v and up is more likely needed for 4.5.
Edited by pengs - 10/15/15 at 7:31pm
post #6 of 12
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

59c max during prime? Sure, keep it below ~90. Higher temps are ok especially when you're nowhere near the max voltage tolerances for the chip and when your regular 100% CPU loads won't get nearly as hot.

Well 59c so far with hyper 212, I was with AMD for quite some time thats why I'm scared to hit 65.
post #7 of 12
Quote:
Originally Posted by H Allen View Post

Well 59c so far with hyper 212, I was with AMD for quite some time thats why I'm scared to hit 65.

AMD has temperature sensors in a different part of the CPU, afaik. Either way, AMD vs Intel temp readings are not really comparable. If it makes things any better, compare 70c AMD to 100c Intel.

59c is freezing tier for intel CPU.

20 + 39 = 59c
20 + 70 = 90c

plenty of headroom there, a 39c delta T is nowhere near a 70c delta T (between room temperature and CPU cores)
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post #8 of 12
Make sure your TJMAX within Real Temp is set to 105C btw.
post #9 of 12
Thread Starter 
Quote:
Originally Posted by Cyro999 View Post

AMD has temperature sensors in a different part of the CPU, afaik. Either way, AMD vs Intel temp readings are not really comparable. If it makes things any better, compare 70c AMD to 100c Intel.

59c is freezing tier for intel CPU.

20 + 39 = 59c
20 + 70 = 90c

plenty of headroom there, a 39c delta T is nowhere near a 70c delta T (between room temperature and CPU cores)

Ok I'm going slowly now, every 100mhz I add i prime for 1 hour until it sits with a proper volts and keep moving forward until I reach 4.5Ghz
post #10 of 12
Thread Starter 
7 hours into testing, 1.265v at 4.5Ghz seems to be stable changed LLC to Ultra High (This was the one causing it to crash even at 1.3 because it was running auto)
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