OC used to be stable, but now isnt?

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Duvie

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Feb 5, 2001
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I also wanted to see the 5.3ghz claims....Still waiting there....


Give me a load test with Linpack screenshot....

I never called bullshit on the 5.3ghz as much as I did on the claims of your load temp in another thread with an decent air cooler.

Edited...my comments about idle temp because it was IDC's pic and not the OPs....
 
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Duvie

Elite Member
Feb 5, 2001
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I was running 4.8ghs in cinebench with 1.36v with an H100 water cooler and ambient room temp of 23c and my idle temps are around 31-32c...so I still think you temps are odd....and that has nothing to do with benig a sweet chip.

It is impressive you posted at 5ghz with 1.36v because my wouldn't post at that voltage...

That being said I still question your temps with that air cooler.

Edited....comments I made were based on accidently looking at IDC's screen pic and he is running am H100 as well...modified for push pull
 
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Rubycon

Madame President
Aug 10, 2005
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I was running 4.8ghs in cinebench with 1.36v with an H100 water cooler and ambient room temp of 23c and my idle temps are around 31-32c...so I still think you temps are odd....and that has nothing to do with benig a sweet chip.

It is impressive you posted at 5ghz with 1.36v because my wouldn't post at that voltage...

That being said I still question your temps with an air cooler.

Now actually load it with a real app and snap the screen shot of the temps under load....You said like 50c in another thread at 5.3ghz and 1.36v range. I want to see that one...

If my water cooler at that vcore can only cool the chip at around 8-9c higher than ambient room temp then your ambeint room temop would have to be around 15c or 59f....

Fully loaded temps are important not idle temps. Also the H100 is not true water cooling. (yes it has a pump and water so technically it *is* but its heat removal capacity is not a lot better than high end air)
 

Duvie

Elite Member
Feb 5, 2001
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Fully loaded temps are important not idle temps. Also the H100 is not true water cooling. (yes it has a pump and water so technically it *is* but its heat removal capacity is not a lot better than high end air)

Unfortunately reviews do not agree with you and only 1 or 2 of the most expensive air coolers (some costing as much as 75 dollars) came close....but no 40 dollar air cooler like the one the OP listed in another thread that in reviews was bested by H50 and H70 is goinging to outdo an H100....

The nice thing about water is the moment it is done loading it gets back to idle temps within 1-2c in under 1 minute...Air cooler will not do that...
 

Duvie

Elite Member
Feb 5, 2001
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Sure, it smore like 1.35 now, but here it is:
Temps are 46C


I see the temp in the lower right...whap app is running in the tray?

Again are you running what cooler? IN the other thread your sig listed a cooler that looking at reviews was modest but not the elite air coolers.
 
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Rubycon

Madame President
Aug 10, 2005
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Unfortunately reviews do not agree with you and only 1 or 2 of the most expensive air coolers (some costing as much as 75 dollars) came close....but no 40 dollar air cooler like the one the OP listed in another thread that in reviews was bested by H50 and H70 is goinging to outdo an H100....

The nice thing about water is the moment it is done loading it gets back to idle temps within 1-2c in under 1 minute...Air cooler will not do that...

I've used them all and my experience shows a silver arrow is as good as the H100. Again cooling a high end X5690 at 4.6GHz with 1.385V. The H100 actually lost and temps ran away. (>90C) The SA stabilized in the 83C range. (still too high IMHO)

Speaking of temps returning to idle the system with a much more powerful water cooling system (description coming soon in a separate thread!) happens INSTANTLY. Water temps in the lower 20s (ambient) even after many hours of full load when load is removed it will drop from mid 40s to mid 20s. Instantly.

Where the H100 (and any waterblock for that matter) absolutely trumps these HUGE coolers is weight/stress on the motherboard. The Silver Arrow WILL kill a board and become scrap metal if the system is thrown on the floor. Sounds silly and I know it does not apply to 99.98% of computer users out there but it's true.
 

Duvie

Elite Member
Feb 5, 2001
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I've used them all and my experience shows a silver arrow is as good as the H100. Again cooling a high end X5690 at 4.6GHz with 1.385V. The H100 actually lost and temps ran away. (>90C) The SA stabilized in the 83C range. (still too high IMHO)

Speaking of temps returning to idle the system with a much more powerful water cooling system (description coming soon in a separate thread!) happens INSTANTLY. Water temps in the lower 20s (ambient) even after many hours of full load when load is removed it will drop from mid 40s to mid 20s. Instantly.

Where the H100 (and any waterblock for that matter) absolutely trumps these HUGE coolers is weight/stress on the motherboard. The Silver Arrow WILL kill a board and become scrap metal if the system is thrown on the floor. Sounds silly and I know it does not apply to 99.98% of computer users out there but it's true.


Exactly as I stated...Since I got this H100 for 100 dollars no shipping and to get a silver arrow would cost me 75 then plus shipping it was almost a wash on the cost...

Reviews do not show that many more air coolers in the range...with H100 on high (which is still quieter then my air cooler was)...it bested all air coolers in reviews I saw...push/pull method should buy a few C's...
 

Duvie

Elite Member
Feb 5, 2001
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Uh, that doesn't say 5.3GHz.

If you want to talk 5Ghz then we had a thread all the way back in Oct on that, discussing how silly easy it was to get 5GHz on low volts if you don't bother stress testing with LinX.

Here is my contribution to that thread:


Prime95 has 3 stress test options, the most rigorous is "small FFT" but it is not the default selection. Even then, at best small FFT will run about 10C cooler than LinX, which is why LinX is the standard for proving system stability.

Having a chip that can run 5GHz on less than 1.4V is nothing unusual, its getting it to be LinX stable at 5GHz on any voltage that is the challenge. Which is why your claims of having a 5.3GHz OC raised suspicions in so many members of this forum community.

There is a sticky in this forum regarding OC'ing and stability testing, it has the links needed for downloading the programs. I think everyone here would like to see what voltage your CPU needs to be LinX stable at 5GHz for 20 cycles minimum (don't forget to set the memory usage to "All").

If you aren't willing to stess test with LinX then you need to accept the fact that people in this community are going to continue to put a star next to your claims with that star going to a subnote in fine print that reads "...but not shown to be LinX stable".

Don't hold it against us for holding you to our standards, the standards existed before you came here and you are the one throwing a fit about the standard existing.


IDC,

my linpack and smallFFT prime temps were pretty close and not 10c apart as you stated....

I wonder why?
 

Duvie

Elite Member
Feb 5, 2001
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in honor of the OP I am going to run a test when I get to 5ghz for 10-20 min with the window open so I can get the room into the upper 50's and then screen snap the load temp...

46c under load with 1.35v and 5+ghz with air cooling is an anomoloy I cannot find listed in other threads at other forums...again for air coolers in his range...
 

Rubycon

Madame President
Aug 10, 2005
17,768
485
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in honor of the OP I am going to run a test when I get to 5ghz for 10-20 min with the window open so I can get the room into the upper 50's and then screen snap the load temp...

46c under load with 1.35v and 5+ghz with air cooling is an anomoloy I cannot find listed in other threads at other forums...again for air coolers in his range...

Is that from real temp? Perhaps the software is getting the wrong data.
 

Smoblikat

Diamond Member
Nov 19, 2011
5,184
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I see the temp in the lower right...whap app is running in the tray?

Again are you running what cooler? IN the other thread your sig listed a cooler that looking at reviews was modest but not the elite air coolers.

Speedfan. I think my cooler is amazing, its the EVGA superclock, and there arent too many reviews of it, but the one i saw said that it beat the DH-14.

Thermal paster, ambeints, contact, fans and luck also have a part in cooling, bnot just the cooler itself.
 

Rvenger

Elite Member <br> Super Moderator <br> Video Cards
Apr 6, 2004
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Speedfan. I think my cooler is amazing, its the EVGA superclock, and there arent too many reviews of it, but the one i saw said that it beat the DH-14.

Thermal paster, ambeints, contact, fans and luck also have a part in cooling, bnot just the cooler itself.



It doesn't look any better than a Corsair A70 or Xigmatek Dark Knight.
 

Idontcare

Elite Member
Oct 10, 1999
21,118
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Thats nearly 1.5vcore, im at 1.35. My idle is around 23 - 24.

Check my post above, I'm at 1.36V too if I don't actually stress test with LinX.

To be 5GHz stable with LinX my 1.36V needs to become 1.5V.

You have yet to prove the same isn't true for you. Show us your 5GHz screenie after passing 20 cycles of LinX, include realtemp temps and CPUz of your Vcc.
 

Idontcare

Elite Member
Oct 10, 1999
21,118
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91
IDC,

my linpack and smallFFT prime temps were pretty close and not 10c apart as you stated....

I wonder why?

You are using OCCT for linpack instead of the LinX installer in the CPU forum sticky.

The difference is likely that you aren't running AVX-enabled in your linpack runs.
 

Rubycon

Madame President
Aug 10, 2005
17,768
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1.5V!

That's like a patient waiting for a quad bypass eating ten eggs for breakfast. You can just feel something getting ready to go! :biggrin:
 

Puppies04

Diamond Member
Apr 25, 2011
5,909
17
76
1.5V!

That's like a patient waiting for a quad bypass eating ten eggs for breakfast. You can just feel something getting ready to go! :biggrin:

I haven't actually head of anyone frying their SB chip with 1.5v yet. I'm sure it is a lot bigger risk than 1.3-1.4 but does anyone actually have a link to somewhere someone has wrecked their CPU with 1.5v?

Infact thinking about it the only SB I have heard about frying is on a mobo that had an issue where it would add massive quatities of voltage through offset under certain situations. Sorry if im being vague i can't recall the details...

Of course just because I haven't heard of it doesn't mean it hasn't happened, anyone got any links?
 

Smartazz

Diamond Member
Dec 29, 2005
6,128
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I haven't actually head of anyone frying their SB chip with 1.5v yet. I'm sure it is a lot bigger risk than 1.3-1.4 but does anyone actually have a link to somewhere someone has wrecked their CPU with 1.5v?

Infact thinking about it the only SB I have heard about frying is on a mobo that had an issue where it would add massive quatities of voltage through offset under certain situations. Sorry if im being vague i can't recall the details...

Of course just because I haven't heard of it doesn't mean it hasn't happened, anyone got any links?

It's unlikely to kill the chip instantly, however the chip will slowly degrade over time. Once in a while you read threads with people complaining that their overclocks are no longer stable. This is why.
 

Schmide

Diamond Member
Mar 7, 2002
5,589
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Although it seems Speedfan has updated its sensors, it has most likely not been validated by the community. Previously it was just BIOS readings that were often off by 10c+. Realtemp/OCCT/Core temp have been vetted by the community and are necessary for valid results.
 
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Puppies04

Diamond Member
Apr 25, 2011
5,909
17
76
It's unlikely to kill the chip instantly, however the chip will slowly degrade over time. Once in a while you read threads with people complaining that their overclocks are no longer stable. This is why.

I am fully aware of that and it wasn't what i asked.

let me rephrase it, when SB came out the general noise being made was that anything over about 1.35 would drastically reduce chip lifespan so now we are approaching a year down the line where are the people who ended up going too far and proving this point. I see people in this forum pushing close to 1.5v through their chips but have yet to hear of anyone destroying one.
 

Smoblikat

Diamond Member
Nov 19, 2011
5,184
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Although it seems Speedfan has updated its sensors, it has most likely not been validated by the community. Previously it was just BIOS readings that were often off by 10c+. Realtemp/OCCT/Core temp have been vetted by the community and are necessary for valid results.

Ah, well i prefer speedfan since i can set up fan speeds (go figure ) and can monito all my other temps as well.
 
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