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Windows 7: Overclocking help; your suggestions, please.

12 May 2011   #11
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Looks good, there are some good guides out there.

What is your system idle temps?
With your settings they should be +5C above ambient.


My System SpecsSystem Spec
.
13 May 2011   #12
GARoss

Windows 7 64-bit
 
 

Core temps make me nervous as I'm not experienced. Recommended max core temp for i5-2500k is 76C & @ 4.0 my temps peeked @ 70C. I guess that's OK but, like I said, it makes me nervous.

I've attached a Vegas Video render test, as this is the program I'll be using a lot, and have 2 core temp pics; one @ no OC & one using Intel Turbo Boost Tech @ 4.0. BTW, I have a core temp warning set to 70C, but, it did not sound off. The room temp was 71F. The time of the render @ 4.0Ghz was 11% faster than @ 3.3Ghz. The idle & max temps were 7C warmer, too.

Maybe these temps are better with Sandy Bridge than other Intel CPUs but I wonder if it's worth it.


Attached Images
Overclocking help; your suggestions, please.-temps-after-rt-3.3.jpg Overclocking help; your suggestions, please.-temps-after-rt-4.0.jpg 
My System SpecsSystem Spec
13 May 2011   #13
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

You are experimenting as I experimented 5 years ago with my prior PC (Core 2 Duo E6600, standard clock of 2.4). I easily got it to 3.0 with acceptable temps, but ultimately decided so what and went back to stock clocks. That experience led me to NOT get a K model processor recently because I had decided against overclocking.

You have to decide how critical 11% is to you. If you are being paid for video rendering, it might effectively be an 11% pay raise. If you aren't being paid, it only saves time and only you know what that is worth.

In reality, I suspect you could run that processor at 70 degrees indefinitely with no consequences and only a slight risk of issues/noticeably shortened lifespan.

I also think overclocking is largely a hobby. Those that do it enjoy it for its own sake, irrespective of any costs or downside. The old pros will tell you to not do it with your production rig---do it with a secondary system.

And you have opted for a quiet cooler as opposed to a noisy one that would help you drop temps by maybe 10 or 15 degrees from what they are now under load. You can't have your cake.................etc.

Doesn't look like you've done anything wrong and your results and temps are in line with what I would have expected.
My System SpecsSystem Spec
.

13 May 2011   #14
GARoss

Windows 7 64-bit
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
You are experimenting as I experimented 5 years ago with my prior PC (Core 2 Duo E6600, standard clock of 2.4). I easily got it to 3.0 with acceptable temps, but ultimately decided so what and went back to stock clocks. That experience led me to NOT get a K model processor recently because I had decided against overclocking.

You have to decide how critical 11% is to you. If you are being paid for video rendering, it might effectively be an 11% pay raise. If you aren't being paid, it only saves time and only you know what that is worth.

In reality, I suspect you could run that processor at 70 degrees indefinitely with no consequences and only a slight risk of issues/noticeably shortened lifespan.

I also think overclocking is largely a hobby. Those that do it enjoy it for its own sake, irrespective of any costs or downside. The old pros will tell you to not do it with your production rig---do it with a secondary system.

And you have opted for a quiet cooler as opposed to a noisy one that would help you drop temps by maybe 10 or 15 degrees from what they are now under load. You can't have your cake.................etc.

Doesn't look like you've done anything wrong and your results and temps are in line with what I would have expected.
Before I read your post, I had already re-set everything back to AUTO. To push OC further I would need a better & probably noisier, CPU fan. And, video editing/rendering IS a hobby, now. So, what's the hurry? At least, now, I know what OC'ing is like. And, who knows? Maybe I juice it up on my next render! But, until then, there's no real need.
My System SpecsSystem Spec
13 May 2011   #15
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

Quote   Quote: Originally Posted by GARoss View Post
Core temps make me nervous as I'm not experienced. Recommended max core temp for i5-2500k is 76C & @ 4.0 my temps peeked @ 70C. I guess that's OK but, like I said, it makes me nervous.

I've attached a Vegas Video render test, as this is the program I'll be using a lot, and have 2 core temp pics; one @ no OC & one using Intel Turbo Boost Tech @ 4.0. BTW, I have a core temp warning set to 70C, but, it did not sound off. The room temp was 71F. The time of the render @ 4.0Ghz was 11% faster than @ 3.3Ghz. The idle & max temps were 7C warmer, too.

Maybe these temps are better with Sandy Bridge than other Intel CPUs but I wonder if it's worth it.
70 under load at 4GHz sounds pretty good. Don't worry. If it is under Tcase, then that means it should have a normal life with minimal electromigration damage. For my 24x7, my last gen i5 reaches 66c with IBT and 64 with Prime95 @ 3.8GHz. I would go up to 70c under stress, but anything above 3.8 for me shoots the temp way past 70c

If you are uncomfortable, just back off a little.
My System SpecsSystem Spec
13 May 2011   #16
GARoss

Windows 7 64-bit
 
 

Quote   Quote: Originally Posted by GeneO View Post
70 under load at 4GHz sounds pretty good. Don't worry. If it is under Tcase, then that means it should have a normal life with minimal electromigration damage. For my 24x7, my last gen i5 reaches 66c with IBT and 64 with Prime95 @ 3.8GHz. I would go up to 70c under stress, but anything above 3.8 for me shoots the temp way past 70c

If you are uncomfortable, just back off a little.
That's the plan. Thanks.
My System SpecsSystem Spec
13 May 2011   #17
paulpicks21

Windows 7 Professional 64 bit
 
 

Quote   Quote: Originally Posted by GARoss View Post
Quote   Quote: Originally Posted by ignatzatsonic View Post
You are experimenting as I experimented 5 years ago with my prior PC (Core 2 Duo E6600, standard clock of 2.4). I easily got it to 3.0 with acceptable temps, but ultimately decided so what and went back to stock clocks. That experience led me to NOT get a K model processor recently because I had decided against overclocking.

You have to decide how critical 11% is to you. If you are being paid for video rendering, it might effectively be an 11% pay raise. If you aren't being paid, it only saves time and only you know what that is worth.

In reality, I suspect you could run that processor at 70 degrees indefinitely with no consequences and only a slight risk of issues/noticeably shortened lifespan.

I also think overclocking is largely a hobby. Those that do it enjoy it for its own sake, irrespective of any costs or downside. The old pros will tell you to not do it with your production rig---do it with a secondary system.

And you have opted for a quiet cooler as opposed to a noisy one that would help you drop temps by maybe 10 or 15 degrees from what they are now under load. You can't have your cake.................etc.

Doesn't look like you've done anything wrong and your results and temps are in line with what I would have expected.
Before I read your post, I had already re-set everything back to AUTO. To push OC further I would need a better & probably noisier, CPU fan. And, video editing/rendering IS a hobby, now. So, what's the hurry? At least, now, I know what OC'ing is like. And, who knows? Maybe I juice it up on my next render! But, until then, there's no real need.

I am inclined to agree.

I fairly recently completed my sandy bridge build.

I had a fair bit of fun for the first few weeks , started off with and settled with a 4.6ghz oc , tested out a stable 5ghz oc but that was just to see how far it would go.
I then stuck with my 4.6 oc for many weeks but just recently I thought do I really need it running at that?

I decided No for now so I have taken it down to 4ghz , its running real nice and cool with the frio cooler at this speed. For example I have had the pc on for 5hrs and just finished 2 hours of gaming on Dirt 2 , I checked my temps and the highest a core has hit is 45 degrees.

Its running perfect , no doubt it will run exactly as good or noticeably as good to me at stock speeds but hey I bought the K version so I may as well have a bit of a clock on it lol.

Have fun

Paul.
My System SpecsSystem Spec
13 May 2011   #18
Fumz

7 Ultimate x64
 
 

Quote   Quote: Originally Posted by GARoss View Post
Core temps make me nervous as I'm not experienced. Recommended max core temp for i5-2500k is 76C & @ 4.0 my temps peeked @ 70C. I guess that's OK but, like I said, it makes me nervous.

I've attached a Vegas Video render test, as this is the program I'll be using a lot, and have 2 core temp pics; one @ no OC & one using Intel Turbo Boost Tech @ 4.0. BTW, I have a core temp warning set to 70C, but, it did not sound off. The room temp was 71F. The time of the render @ 4.0Ghz was 11% faster than @ 3.3Ghz. The idle & max temps were 7C warmer, too.

Maybe these temps are better with Sandy Bridge than other Intel CPUs but I wonder if it's worth it.
You're temps are way too hot, even stock... something is amiss. At 4.5GHz I can dual Orthos for 8 hours and my highest temps are 53, idle 29-32.

Perhaps you might consider reapplying thermal paste (read: less, or better), or a different heatsink? Even the stock cooler does better than this.
My System SpecsSystem Spec
13 May 2011   #19
paulpicks21

Windows 7 Professional 64 bit
 
 

I nearly mentioned it , but hadn't heard of his cpu cooler.

I have had a quick look at it and it appears to be quite a poor cooler. On the list of approx 50 coolers it was in the bottom 5.

I know from reading certain reviews/comparisons that some coolers can perform worse than the stock cooler on the new sandybridge cpu's.

This could certainly be a possible cause of the high temps , its usually that and voltage to blame anyway.
My System SpecsSystem Spec
14 May 2011   #20
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Your idle temps with no OC should be below 30C, if your first snip low value is with the system at idle then the temps are too high by more than 10C.
If your ambient temp is 22C, your idle temps should be 27C, 30C max.

Re-apply your thermal paste, or consider a different cooler.

What CPU voltage are you running for the 4GHz OC?
My System SpecsSystem Spec
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 Overclocking help; your suggestions, please.




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