3770k first time overclock, are these temps ok?

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Rotfl cyclone

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Jan 27, 2013
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Hi guys. So I've been into building my own computers for a while now but have never tried a real overclock because I've never had a decent enough cooler (and honestly I don't NEED my cpu overclocked, I just wanted to try it). I recently bought a Corsair H100i closed loop cooler and decided to finally do some tweaking. I've read different things from different people about the Ivy Bridge chips in particular, and what are considered safe temps -- what aren't, and what I should aim for. I've been running the overclock I currently have for 72 hours and so far everything seems great. I just wanted to get an opinion (or two) from someone who is more knowledgeable about these things than I am. I'll lay out my detailed specs below and also some numbers I've collected in the three days my OC has been running. Thanks in advance for any help!

My build looks like this:
ASUS P8-Z77 - V Deluxe
3770k @ 4.7Ghz, 1.3 V (100.0 x 47)
Corsair H100i
XFX 7970Ghz edition
8GB G-Skill RipJaws 1600 DDR3 (8-8-8-24)
2x Seagate 7200 RPM 1 TB HDD
1x Hitachi 5400 RPM 750 GB HDD
1x Corsair Force III SSD 120GB
Antec 750watt PSU

With my 4.7Ghz OC @ 1.3V my idle temps are an average of 32c, under full load in Prime95 (8 hour test) I'm seeing max temps of 79c, 83c, 82c, and 80c respectively for my 4 cores (numbers from Core Temp). It looks like they hang right around the 80c mark though on average during Prime95. The highest temps I've got so far from gaming have been in 64 man BF3 matches, where the hottest temps I've got after about an hour of consecutive play are between 63c and 68c.

I've heard people say that for Ivy Bridge 90c is the max you want to hit, and that they're designed in such a way that higher temperatures aren't as much of a concern as with previous chip generations. I've also heard people say that 60-70c is too hot for any processor. I would just like to know if these readings are OK, not so safe, or dangerous. I realize that with the increase in heat and voltage that the processor will degrade faster, I don't plan on owning this one in particular for more than another 2 years maybe 3 at most. I'm also not using my computer in such a way that its going to be under load 24/7. Thanks again for any help

 
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I would back off until your max temps are in the 70s if you want full CPU life. ~75C is acceptable to me. 4.7Ghz is a mighty high overclock for Ivy.

M 2600K has been at 4.5Ghz at 1.32v since I bought it the week it was released in January 2011. My max Prime 95 temps are in the upper 60s C.

With the roughly 8% IPC improvement of Ivy over Sandy a 4.2Ghz overclock of your chip is about the same as what I have. I would aim for 4.2-4.4Ghz and see how the temps look. Ivy hates voltage so keep it as low as you can and your temps will stay low.
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I would back off until your max temps are in the 70s if you want full CPU life. ~75C is acceptable to me. 4.7Ghz is a mighty high overclock for Ivy.

M 2600K has been at 4.5Ghz at 1.32v since I bought it the week it was released in January 2011. My max Prime 95 temps are in the upper 60s C.

With the roughly 8% IPC improvement of Ivy over Sandy a 4.2Ghz overclock of your chip is about the same as what I have. I would aim for 4.2-4.4Ghz and see how the temps look. Ivy hates voltage so keep it as low as you can and your temps will stay low.
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Every CPU is different and if the voltages are balanced out and heat is managed, you're fine, I got a 2500K a couple weeks before they went on sale - it's been at 4.8 ever since, my IB was right at the release date it's been at 4.7 ever since and these generally always run 24/7
 
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Deleted member 217926

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Cooling? Voltages? With a water loop you are probably fine long term with those speeds. Maybe. You might also find electromigration degrading and killing your CPU rather quickly.

On another note how in the hell have you got 8000+ posts in a month and a half??? Do you have a job? Take time to go eat and sleep? Took me 4 1/2 years to reach that post count and I spend entirely too much time here some months depending on how busy I am.
 
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R

Rotfl cyclone

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Jan 27, 2013
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10,510
Thanks for the quick responses. At first I did the Asus AI Suite "Auto-Tune" overclock which brought me up to just over 4.2ghz but it didn't seem to want to get any higher than that without some sort of issue. I went in and manually did it in BIOS and changed the voltage myself, it seems to have worked much better. I would be OK running this chip at something less than 4.7Ghz, I don't NEED it to be this high, I just kind of wanted to know how far I could push it (well...and still feel comfortable) and wanted to get a little bit of experience overclocking on my own. I'm not sure if I'll keep it running at these specifications forever, if anything I might tune it down a bit. Still, it's good to know that I'm not doing any kind of real substantial damage to the processor with the readings I've got.

I forgot to ask before, but when you say that you personally (anort3) wouldn't be comfortable with temps past 75c are you referring to Prime95 temps or my "real world" temps. Because I'm not going to use my computer for a whole lot other than gaming and programs I need for school. So I guess realistically I don't see myself ever really pushing the processor to or past the kind of threshold I have in Prime95 during torture tests.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
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126,960

_________________________

Two and a half months - Have a systems business and head to the forums while in the shop and working on rigs, can be running Memtest/diagnostics/etc/etc which take forever so hop on out here and at GSkill (am an Admin over there), helps me keep up with all the hardware out there for building/upgrading and repairs

 
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