Go Back   OC3D Forums > [OC3D] Graphics & Displays > Overclocking
Reply
 
Thread Tools Display Modes
 
  #1  
Old 18-12-17, 07:43 AM
7UpDiet 7UpDiet is offline
Newbie
 
Join Date: Dec 2017
Posts: 9
Overclocking my i7-7700K to 5.0Ghz at 1.270V (crashes)

Hello guys,

i'm new to OC and i been doing some research and YouTube for hours but i'm still a beggeners and i need your help.

basically i have i7-7700K (h100i v2 Cooling) and MSI z270 M5

yesterday i attempted to OC to 5.0Ghz at Vcore 1.270v

the AIDA cpu stress test showed stability and good temperature ( i didn't run the FPU stress because it will instantly show overheat.

anyways i tried to play csgo + stream it on high quality and i was able to do that for about 30 mins till i got a blue screen.

i increased voltage to 1.275v and the stress test showed high temp (90+)

so i went back -0.005 voltage.

i looked around internet and most people do 1.3v for the 5.0 OC

but since i got high temp at lower than that i didn't bother to check..

can you guys help me? should i go bellow on frequency or should i try higher voltage ? or maybe tweak with ram speed?

btw XMP was off during the whole time.

Please help because i just got my rig and would like to get 5.0 speed to be able to stream on on stable fps.

Reply With Quote
  #2  
Old 18-12-17, 09:03 AM
Warchild Warchild is offline
OC3D Elite
 
Join Date: Feb 2013
Location: Norway, Oslo
Posts: 5,379
Quote:
Originally Posted by 7UpDiet View Post
Hello guys,

i'm new to OC and i been doing some research and YouTube for hours but i'm still a beggeners and i need your help.

basically i have i7-7700K (h100i v2 Cooling) and MSI z270 M5

yesterday i attempted to OC to 5.0Ghz at Vcore 1.270v

the AIDA cpu stress test showed stability and good temperature ( i didn't run the FPU stress because it will instantly show overheat.

anyways i tried to play csgo + stream it on high quality and i was able to do that for about 30 mins till i got a blue screen.

i increased voltage to 1.275v and the stress test showed high temp (90+)

so i went back -0.005 voltage.

i looked around internet and most people do 1.3v for the 5.0 OC

but since i got high temp at lower than that i didn't bother to check..

can you guys help me? should i go bellow on frequency or should i try higher voltage ? or maybe tweak with ram speed?

btw XMP was off during the whole time.

Please help because i just got my rig and would like to get 5.0 speed to be able to stream on on stable fps.
You can get high fps and stream at 4.4ghz. Why do you need 5.0? there is almost no significant improvement in real world gaming, even with high intense CPU architecture. Only people who use 5.0 usually are regular benchmarkers and even then, they rarely keep it at those clocks.

5.0Ghz, needs a good chunk of volts to keep stable, over 1.3V in many cases. Obviously the more volts you use, the more heat you will get, but I would suggest to use a comfortable clock speed that won't degrade your CPU life. If you are getting higher temp at lower volt, maybe you need to turn up your fan speed even more.

What case are you using?
Reply With Quote
  #3  
Old 18-12-17, 09:23 AM
7UpDiet 7UpDiet is offline
Newbie
 
Join Date: Dec 2017
Posts: 9
Quote:
Originally Posted by Warchild View Post
You can get high fps and stream at 4.4ghz. Why do you need 5.0? there is almost no significant improvement in real world gaming, even with high intense CPU architecture. Only people who use 5.0 usually are regular benchmarkers and even then, they rarely keep it at those clocks.

5.0Ghz, needs a good chunk of volts to keep stable, over 1.3V in many cases. Obviously the more volts you use, the more heat you will get, but I would suggest to use a comfortable clock speed that won't degrade your CPU life. If you are getting higher temp at lower volt, maybe you need to turn up your fan speed even more.

What case are you using?
To be honest, i really haven't tried any lower frequencies but i assumed cpu intensive games such as csgo and maybe pubg will really require such frequency

the reason i went for 5 is the fact my rig is capable of doing it.

what do you recommend for smooth 720/60fpz stream with 1440p CSGO resolution and in game fps of +170?

because before OCing, i was not able to maintain above 110fps which sucks for csgo considering i have got a 165hz monitor.

Thanks for your feedback

im using phantek p400 Eclipse
Reply With Quote
  #4  
Old 18-12-17, 09:54 AM
Warchild Warchild is offline
OC3D Elite
 
Join Date: Feb 2013
Location: Norway, Oslo
Posts: 5,379
I can't recommend much when I dont have any idea about the rest of your pc spec.

But even in wow, CSGO, Destiny, etc etc. I have checked FPS between my 7700k at 4.0, 4.4 and 5.1 (with 1.4V) and the difference was a massive... 8fps.

Not worth the heat and hassle. CSGO is a CPU intensive game. Anything with Source engine is, but you just have to go trial and error.

Have you capped your FPS MAX?

usually its set to 2*max refresh rate in order to keep it stable. I would suggest (if you are an avid CS:GO streamer, is to set your details on low and change your fps max to 331.

I am a little surprised you only get 110 though. my 7700k gets 130 without even trying on medium settings. Do you have everything cranked up to max?
Reply With Quote
  #5  
Old 18-12-17, 10:02 AM
looz's Avatar
looz looz is offline
OC3D Elite
 
Join Date: Feb 2013
Location: Finland
Posts: 1,469
You should either settle to a lower OC, 4.9GHz is only 2% less than 5.0GHz even if the other is a nice round number, and it seems you're quite close to stable...

If you're adamant on 5.0GHz, remember that AIDA64 is a worst case scenario and games will never approach the 90c.
__________________
i7 8700k - 16GB - 2060 FE - 512GB 970 & 850 EVO - AKG K702
Reply With Quote
  #6  
Old 18-12-17, 10:14 AM
7UpDiet 7UpDiet is offline
Newbie
 
Join Date: Dec 2017
Posts: 9
Quote:
Originally Posted by Warchild View Post
I can't recommend much when I dont have any idea about the rest of your pc spec.

But even in wow, CSGO, Destiny, etc etc. I have checked FPS between my 7700k at 4.0, 4.4 and 5.1 (with 1.4V) and the difference was a massive... 8fps.

Not worth the heat and hassle. CSGO is a CPU intensive game. Anything with Source engine is, but you just have to go trial and error.

Have you capped your FPS MAX?

usually its set to 2*max refresh rate in order to keep it stable. I would suggest (if you are an avid CS:GO streamer, is to set your details on low and change your fps max to 331.

I am a little surprised you only get 110 though. my 7700k gets 130 without even trying on medium settings. Do you have everything cranked up to max?
MY Specs are
cpu: i7-7700K
gpu: MSI 1080ti
ram SDDR4 16GB 3200
MOBO: MSI Z270 M5

the 110 fps in csgo happens when i stream 2k on obs which is resalable.

im just so upset that i get everything i want with my OC 5.0!! and do everything the way i want it!!! till it blue screens in middle of stream!!
Reply With Quote
  #7  
Old 18-12-17, 10:16 AM
7UpDiet 7UpDiet is offline
Newbie
 
Join Date: Dec 2017
Posts: 9
Quote:
Originally Posted by looz View Post
You should either settle to a lower OC, 4.9GHz is only 2% less than 5.0GHz even if the other is a nice round number, and it seems you're quite close to stable...

If you're adamant on 5.0GHz, remember that AIDA64 is a worst case scenario and games will never approach the 90c.
so if i was to drop it down to 4.9 , will i need to change voltage?

also when running AIDA64 i dont choose FPU and GPU test, cuz they would shut down the pc and result in heat. am i doing the stress test correct? (gpu, cache, memory and disk) ?
Reply With Quote
  #8  
Old 18-12-17, 10:32 AM
looz's Avatar
looz looz is offline
OC3D Elite
 
Join Date: Feb 2013
Location: Finland
Posts: 1,469
As a rule of thumb, increasing clocks decreases stability, while increasing volts increases stability. Volts also cause your chip to run hotter, and beyond Intel's spec, will wear the CPU as well. But you aren't limited by that yet, only temperature.

GPU test shutting your PC down sounds like it might be a PSU issue. FPU sounds like insufficient VRM, cooling or PSU. But that's just me guessing, takes more to figure out the reason.

Also, don't stream at 2k, 1080p30 or 720p60 work the best since you're limited by bitrate cap and can't render at the higher quality settings. Higher resolutions result in blockiness, making the resolution gain useless.
__________________
i7 8700k - 16GB - 2060 FE - 512GB 970 & 850 EVO - AKG K702
Reply With Quote
  #9  
Old 18-12-17, 10:38 AM
7UpDiet 7UpDiet is offline
Newbie
 
Join Date: Dec 2017
Posts: 9
Quote:
Originally Posted by looz View Post
As a rule of thumb, increasing clocks decreases stability, while increasing volts increases stability. Volts also cause your chip to run hotter, and beyond Intel's spec, will wear the CPU as well. But you aren't limited by that yet, only temperature.

GPU test shutting your PC down sounds like it might be a PSU issue. FPU sounds like insufficient VRM, cooling or PSU. But that's just me guessing, takes more to figure out the reason.

Also, don't stream at 2k, 1080p30 or 720p60 work the best since you're limited by bitrate cap and can't render at the higher quality settings. Higher resolutions result in blockiness, making the resolution gain useless.
thanks for your feedback, i meant by streaming 2k is the game quality ,but stream settings is 720/60

i will try decreasing frequency but what is the range of the voltage needed for 4.9ghz? nothing bellow and above what? thanks.
Reply With Quote
  #10  
Old 18-12-17, 10:55 AM
looz's Avatar
looz looz is offline
OC3D Elite
 
Join Date: Feb 2013
Location: Finland
Posts: 1,469
It varies chip by chip, it's generally called silicon lottery.
__________________
i7 8700k - 16GB - 2060 FE - 512GB 970 & 850 EVO - AKG K702
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump










All times are GMT. The time now is 02:14 AM.
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.