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Overclocking i7-4930k Help - Page 74

post #731 of 1417
Quote:
Originally Posted by Cyro999 View Post

What i mean is: You don't know if the RAM works ok at its stock specifications, or you just got bad RAM that is rated for 1866 at those timings and volts but can only do 1600

You need to isolate if it's a RAM issue, or an IMC issue (which those other voltages may help with)

So what would you recommend? Return processor to stock and run Prime? Run Memtest86? I checked what the XMP profile is on my ram and it bumps Vccsa up to 1.2 with the standard timings. I will load up Memtest and see what it does I guess.

Update-Ran memtest for 12+ hours (only 2 cycles with that much ram i guess) and no errors so I think the ram is fine just a little power hungry. I upped the VCCSA and VTTCPU up to 1.1v and we will see what happens. If that doesnt work I may give the ram 1.55v unless anyone has other suggestions.
Edited by bearded4glory - 3/5/14 at 12:21pm
post #732 of 1417
Why do you think everybody says 1.4x~ is max for IVe? have people had a bunch of failures with these chips?

Just trying to figure out whats going on. A search brought me to intel's website here:
http://www.intel.com/content/www/us/en/processors/core/core-i7-lga-2011-guide.html

page 42 it looks like the processors are spec'd for about the same abount of voltage/power with some of the c-states being less.



Is it just that everybody is thinking of the smaller 22nm process? Is there any reason to think a smaller process will degrade faster with the same results at 32nm? Or just speculation?
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post #733 of 1417
I think some of your opinion is wrong
vcore should be a high value , not a low value
why everybody advise others to adjust the vcore to a low value?
ivy-e is powerful but only 4.6g and above will gain more lowest-fps , this is the most valueble part of a cpu ,
the lowest-fps in Crysis3-8msaa-hbao@1080p is the only parameters for a cpu and this is the ultimate target for us to overclock
and p95 or intel burnout or linx0.65x64 will damage your cpu , they're useless and unsafe .

so please don't hope an Ivy-e will run @ 4.8g or higher this is absolutely impossible
if you can reach 4.7g that you will always stay ahead of all the snb-e users and get a very satisfied lowest-fps
how many 4930k and 4960x users in US or EU you will 7*24 @4.7 or higher ?
somebody want run much more like snb-e but in fact they failed

I'll give you some parameters in the monitoring-software

ram: 11-13-13-35-2t-trfc467@2666
gpu: quad-sli@1215/6000 by default , force 4gpus@the same 1215 by msi afterburner and using a manual fan curve
cpu: pll-1.700v, compensation HIGH, 1.5x vrm power , internal pll overvoltage AUTO, vcore 1.436(bios 1.42) , vccio 1.150 , vccsa 1.150
all the intel C-stage/C1E and cpu-protection OFF

how to test/burn/stress the cpu ?
just play CRYSIS3-8msaa-hbao(quality in NV-panel) , please play the first 3 stage , especially stage 2 , and do not choose the easy scenes
do not choose p95 for the cpu , just complete all the 3 stages one time , if your rig would overcome this game .
p95 is useless , game is the answer , stress your system in a game , not a software , that's the way for system-stability test .

I use 1.40@4.6 and 1.42@4.625 for 7*24
Earlier in Crysis3 stage 2 , the WHEA bsod often appears , just up and down the vccio & vccsa , and make your system cool , the ram-controller is the ivy-e weakness , do NOT adjust the Vcore higher and higher this can't help your stability , and the ram quality should also be checked carefully

2666 is almost the same with 2400 in games , either 4600 is same with 4625 , but ivy-e is much better than snb-e cause' the low power
for test use I use a 4way hard-bridge and only the first card has the backplate , the highest card's core temprature is 71c , get a 13mhz down
but this can't stop me to buy a NZXT phantom 820 (white case) for my rig , because the 4960x is stable with 2666 ram
never believe somebody's the lower-vcore-volt , maybe they are not stable ...



post #734 of 1417


Wow, what is wrong wit your read speed? singl row bank module or what? i have old dual row 2400Mhz cl11 and my results in same AIDA version are about 62000MB/s...bank interleaving works fine.
post #735 of 1417
I need 1.375 Vcore to OC to 4.5 Ghz with 32MB quad channel pair of memory same max clock speed but different brand running at 1866. It take 1.42 Vcore to OC 4.6 Ghz .....Gee man . Cool with H80i.
No matter how i change and test with different setting and cooling - the result is still the same - high vcore.

Chip came from Singapore - BX80633I74930k 735858272216 batch no.
post #736 of 1417
I am lucky got my O.C 4.5Ghz at 1.30v, temperature with full load (100%) around 59-60 0C on Core Temp software, and been stable for nearly 1 week then I turned it off and probably will try higher clock this weekend. I have followed the member Judah R setting specool.gif on page 19. I am not sure what is the max limit temperature for I7 4930k. Could anyone please help. I found temperature reading on Core Temp is always higher than reading from ASUS AI suit program.
post #737 of 1417
The asus one is wrong, from what i've heard
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post #738 of 1417
Quote:
Originally Posted by xtt1341 View Post

I think some of your opinion is wrong
vcore should be a high value , not a low value
why everybody advise others to adjust the vcore to a low value?
ivy-e is powerful but only 4.6g and above will gain more lowest-fps , this is the most valueble part of a cpu ,
the lowest-fps in Crysis3-8msaa-hbao@1080p is the only parameters for a cpu and this is the ultimate target for us to overclock
and p95 or intel burnout or linx0.65x64 will damage your cpu , they're useless and unsafe .

so please don't hope an Ivy-e will run @ 4.8g or higher this is absolutely impossible
if you can reach 4.7g that you will always stay ahead of all the snb-e users and get a very satisfied lowest-fps
how many 4930k and 4960x users in US or EU you will 7*24 @4.7 or higher ?
somebody want run much more like snb-e but in fact they failed

I'll give you some parameters in the monitoring-software

ram: 11-13-13-35-2t-trfc467@2666
gpu: quad-sli@1215/6000 by default , force 4gpus@the same 1215 by msi afterburner and using a manual fan curve
cpu: pll-1.700v, compensation HIGH, 1.5x vrm power , internal pll overvoltage AUTO, vcore 1.436(bios 1.42) , vccio 1.150 , vccsa 1.150
all the intel C-stage/C1E and cpu-protection OFF

how to test/burn/stress the cpu ?
just play CRYSIS3-8msaa-hbao(quality in NV-panel) , please play the first 3 stage , especially stage 2 , and do not choose the easy scenes
do not choose p95 for the cpu , just complete all the 3 stages one time , if your rig would overcome this game .
p95 is useless , game is the answer , stress your system in a game , not a software , that's the way for system-stability test .

I use 1.40@4.6 and 1.42@4.625 for 7*24
Earlier in Crysis3 stage 2 , the WHEA bsod often appears , just up and down the vccio & vccsa , and make your system cool , the ram-controller is the ivy-e weakness , do NOT adjust the Vcore higher and higher this can't help your stability , and the ram quality should also be checked carefully

2666 is almost the same with 2400 in games , either 4600 is same with 4625 , but ivy-e is much better than snb-e cause' the low power
for test use I use a 4way hard-bridge and only the first card has the backplate , the highest card's core temprature is 71c , get a 13mhz down
but this can't stop me to buy a NZXT phantom 820 (white case) for my rig , because the 4960x is stable with 2666 ram
never believe somebody's the lower-vcore-volt , maybe they are not stable ...






I agreed .Logically it is correct that higher voltage for higher speed, Not lower. Just using minimum V to achieved OC on high speed. I do read some of the forum - they using very low V
core to OC 4930k to 4.7 even 5.0 not over 1.38v. Normal water CPU cooling. I wonder are they all bull ****ting or true. The different between thier chip and mine is huge as i can concur and i also dont know why are there a huge gap between this two chip that bare the same model, speed, brand and material ?

I also use 4 same brand new memory and burn in before put to test . quad or not. dual or single, 32mb or 16mb .....all yield the same result ..........fainted
Edited by sam66er - 3/13/14 at 7:31am
post #739 of 1417
Quote:
Originally Posted by Majin SSJ Eric View Post

This is the best Cinebench R15 score I've managed thus far at 4747MHz: 1262cb



What's yours?

Heres mine

post #740 of 1417
Quote:
Originally Posted by xtt1341 View Post

I think some of your opinion is wrong
vcore should be a high value , not a low value
why everybody advise others to adjust the vcore to a low value?
ivy-e is powerful but only 4.6g and above will gain more lowest-fps , this is the most valueble part of a cpu ,
the lowest-fps in Crysis3-8msaa-hbao@1080p is the only parameters for a cpu and this is the ultimate target for us to overclock
and p95 or intel burnout or linx0.65x64 will damage your cpu , they're useless and unsafe .

so please don't hope an Ivy-e will run @ 4.8g or higher this is absolutely impossible
if you can reach 4.7g that you will always stay ahead of all the snb-e users and get a very satisfied lowest-fps
how many 4930k and 4960x users in US or EU you will 7*24 @4.7 or higher ?
somebody want run much more like snb-e but in fact they failed

I'll give you some parameters in the monitoring-software

ram: 11-13-13-35-2t-trfc467@2666
gpu: quad-sli@1215/6000 by default , force 4gpus@the same 1215 by msi afterburner and using a manual fan curve
cpu: pll-1.700v, compensation HIGH, 1.5x vrm power , internal pll overvoltage AUTO, vcore 1.436(bios 1.42) , vccio 1.150 , vccsa 1.150
all the intel C-stage/C1E and cpu-protection OFF

how to test/burn/stress the cpu ?
just play CRYSIS3-8msaa-hbao(quality in NV-panel) , please play the first 3 stage , especially stage 2 , and do not choose the easy scenes
do not choose p95 for the cpu , just complete all the 3 stages one time , if your rig would overcome this game .
p95 is useless , game is the answer , stress your system in a game , not a software , that's the way for system-stability test .

I use 1.40@4.6 and 1.42@4.625 for 7*24
Earlier in Crysis3 stage 2 , the WHEA bsod often appears , just up and down the vccio & vccsa , and make your system cool , the ram-controller is the ivy-e weakness , do NOT adjust the Vcore higher and higher this can't help your stability , and the ram quality should also be checked carefully

2666 is almost the same with 2400 in games , either 4600 is same with 4625 , but ivy-e is much better than snb-e cause' the low power
for test use I use a 4way hard-bridge and only the first card has the backplate , the highest card's core temprature is 71c , get a 13mhz down
but this can't stop me to buy a NZXT phantom 820 (white case) for my rig , because the 4960x is stable with 2666 ram
never believe somebody's the lower-vcore-volt , maybe they are not stable ...




I can agree with some of the things you mentioned here but not all only because I game on a 4.7 overclock for 24/7 use and am 100% stable. I have no issues at all even during extremely long gaming sessions. I am talking about hours upon hours of gaming including Crysis 3 with the settings you had mentioned above. In addition I also play games like Assasin's Creed Black Flag, Battlefield 4, COD Ghosts, Splinter Cell Black List, South Park Stick of Truth, Tomb Raider, Theif, Pay Day 2, Batman Origins, Metal Gear Rising, Need for Speed, NBA 2k14 etc. My settings are 100% stable and have never seen a BSOD with my 4.7 setup for 24/7 use..

I have my voltages set to 1.4v for maximum stability at this clock. I can boot my system with way less volts but I am talking 24/7 everyday stable that can handle anything I throw at her from benchmarks to gaming at ultra settings. I idle at 29c and I max out at 70c under 100% cpu stress testing loads. I still use programs like Intel Burn test and Prime to make sure my overclock is fully stable. I agree that using these programs for excessive runs can damage a CPU and gaming is a great way to test your overall stability and performance. I disagree that the tools are useless, only if used incorrectly. Sometimes they will find instabilities that gaming won't always trigger to ensure that you have a 100% fully stable system. Just use the tools wisely and be mindful of temperatures and voltages. It is trial and error and may take time. That's what overclocking is all about.

Ram will usually be the reason for most of you overclocking instabilities so shoot for a lower ram speed and tighter timings to achieve a higher cpu overclock. Test and see what you get. I know I got some interesting results in doing so. I usually run my setup at 1600mhz or 1866mhz quad channel vs the potential 2133mhz quad channel for max performance/stability. Although I can push my ram higher it doesn't improve my overall performance but actually limits what I am able to achieve CPU wise.

I would also disagree in saying that anything with overclocking is impossible. 4.8 is not impossible. I have seen members with 4930k's in the 5ghz club. Whose to say that their setup isn't a 24/7 stable overclock? If their voltages and temps are great why not? Its a silicon lottery anything can happen. One person's chip may have more potential than someone else's that's the beauty of it. I may be one of the lucky ones with what I was able to achieve but I can surely bet anything that there are other members on here who push their clocks way beyond mine and achieve maximum stability while some only achieve 4.2. I can run a 4.8 stable if I wanted to but I don't like where It takes my voltages and temps to achieve such small performance gain especially on air. The options are endless and we can all learn from one another. Those of you on a quest to reach 4.7 or above may the force be with you thumb.gif
Edited by danycyo - 3/20/14 at 12:05am
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