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Good temps for i7 2600k 4.8ghz?

post #1 of 11
Thread Starter 
hey
i overclocked my i7 2600k to 4.8ghz using 1.4voltage and i am running prime95 for around 2 hours and my temps are
69-77-71-74
those temps are ok?
thanks!
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post #2 of 11
Yeah those temps look fine. Just don't let them over 80 (for me atleast). People will argue that over this and that temperature will degrade and such but only you can decide. I'm sure while gaming and such your temps will never reach 70+.
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post #3 of 11
They are normal temps - I would try re-seating the cooler and making sure that you have an even spread of thermal paste as your temps are a bit uneven.
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post #4 of 11
Thread Starter 
my thermal paste is fine i am getting those temps because its VERY hot in my room.
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post #5 of 11
I wouldn't worry about the uneven temps. I and many other people find the core 0 runs alot cooler when been stress tested then the other cores. Core 1 and 2 always seem to be the hottest.

The temps you are getting for that cooler seem fine. As has already been said. Anything under 80 and you are OK. I have had mine go up to 90 while trying to push for 5.2Ghz and is still alive and kicking. I wouldn't reccommend it though. I wouldn't go any higher than 1.4volts either for 24/7 use.
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post #6 of 11
CHeck the Sandy Stable club and select sorted by cooling in the table, you can compare with others, mind you ambeint temps make a big diffference. Link is on my sig.

Hope that helps
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post #7 of 11
Thread Starter 
hey guys if i am going to play with BCLK can i go higher without changing the vcore?
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post #8 of 11
i woudlnt mess with bclk, SB's dont take kindly to that lol. you'll prolly bsod at 100.1 :-p
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post #9 of 11
This is from intel:

Sandybridge maximum safe voltages

Core Voltage - Not recommended too exceed 1.38v, doing so could kill the CPU, we therefor recommend a range of 1.325-1.350v if overclocking.
Memory Voltage - Intel recommend 1.50v plus/minus 5% which means upto 1.58v is the safe recommended limit. In our testing we have found 1.65v has caused no issues.
BCLK Base Clock - This is strictly a NO, anyone using base clock overclocking could/will cause damange to CPU/Mainboard. (Set manually to 100)
PLL Voltage - Do not exceed 1.9v!!



Processor - Basically we recommend customers not to exceed 1.35v to play it safe, all our bundles are set at 1.3250v or lower, any competitors offering bundles above 4.6GHz you should be enquiring as to what voltage they are using as we believe anything over 1.38v will limit CPU lifespan and anything over 1.42v will likely kill the CPU or severely limit its lifespan.

Memory - Intel recommend 1.50v plus/minus 5% which means 1.60v is the ideal safe maximum, but we have found in our testing all 1.65v memory is fine. We have also found most new 1.65v like Corsair XMS3 will run at its rated timings with just 1.50-1.55v which is well within Intel specifications. So people upgrading to Sandybridge you can still use your old DDR3, but we do recommend you run it at 1.60v or less. We are shipping most of our bundles which feature Corsair XMS at 1.50v-1.55v at rated timings. We've also discussed with Asus and MSI regarding voltages for memory and they also confirm in their testing 1.65v caused no issues with reliability.

Base Clock - To put it simple if you value the life of your components, do not overclock using base clock!

PLL Voltage - Again do not exceed 1.9v!


These are just guidelines we recommend you follow, if you want to push more voltage through your CPU's then just be aware they could die on you. Your warranty is un-affected and we will honor any CPU's that die, we just won't ask questions as to how you killed them.

Not all CPU's are as fragile as others, we have experimented upto 1.50v Vcore and 1.70v memory and had zero issues with reliability, so it seems some of fine when pushing hard.


Adhere to these guidelines and you will be safe. Bear in mind though that many people have far exceeded these settings. Some chips are still running and some are not. I feel you would be safe to exceed them by a small margin at the cost of the processors life span. I believe though that intel aim for a CPU's life span to be 5-10 years of something like that. I could be wrong though.
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Tevatron K
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post #10 of 11
This is my take on voltages and temps for SB cpu's, take it as you please:

No one is absolutely certain of what the safe vcore is for the new sandybridge chips. What I can tell you is that many say the max safe vcore for these chips are 1.3 region, however, intel states that the max 'VID' is 1.52 and many say that around 1.4 if your on air and 1.45 should be the max if your running water cooling. Personally I will not go above 1.5v for 24/7 with these chip but that is totally upto you. The main thing to understand is that 'YOU' have to come up with the conclusion of what the max is. That way no one is blamed if the chip degrades (none reported so far, even with so called 'high 1.4+ vcore')


Regarding temps, CPU throttles at 95c, some say keeping it below 85c is good, some say keeping it below 80 is better, other's say below 75c is really good and there are quite a few that say 70c should be the max. Which ever one your comfortable with and if you have substantial cooling, YOU DECIDE YOUR MAX, just remember it throttles at 95c. I personally like to keep mine below 70c

Hope that helps
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Sandy Transformed
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CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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