So my CPU has degraded.

Discussion in 'Processors and motherboards Intel' started by Undying, Dec 20, 2015.

  1. Undying

    Undying Ancient Guru

    Messages:
    11,985
    Likes Received:
    1,608
    GPU:
    Aorus RX580 XTR 8GB
    I got some bsod few days ago and i was kinda, meh. Today it happened again and after some testing with Prime95 i realized that my CPU is not stable (after 2 years). I could do 5Ghz 1.44v with this chip and my 24/7 was 4.8Ghz 1.38v. Now i need 1.45-1.46v for 5Ghz and for obvious reasons im not gonna go that high so sadly, this is not 5Ghz chip anymore. :(

    I'll keep my 4.8Ghz with bumped voltage 1.39v and its stable again. As times goes by it will probably need even 1.4v to keep my overclock. Maybe i should finally just upgrade the whole thing next year.

    Anyone had similiar experience with similiar chip? Any tricks to keep voltages down? Thanks.
     
  2. Sneakers

    Sneakers Ancient Guru

    Messages:
    2,717
    Likes Received:
    0
    GPU:
    Gigabyte 980Ti Windforce
    There are no tricks, it happens sooner or later with all over-volted chips.

    I have a Xeon W3520 it used to do 4.6 ghz at crazy high voltage (1.48V).

    Now I have to run it at 4.2 at 1.440V. Then again this is a 7 year old chip I think. 400 mhz in 7 years is really acceptable degradation given it is rated for 2.66 ghz at 1.12V or something.
     
  3. thatguy91

    thatguy91 Ancient Guru

    Messages:
    6,648
    Likes Received:
    97
    GPU:
    XFX RX 480 RS 4 GB
    Sometimes degradation can occur much quicker than that as well. Setting the maximum stable overclock usually means you are pushing the CPU past its safe threshold (at least that's the way I see it), finding the maximum overclock then easing back a bit I believe is much better. Otherwise, it would be like running 20 PSI turbo boost on a car than has an engine designed to be naturally aspirated.

    Going by your CPU speeds, I would think 4.6 GHz would be the ideal upper safe speed. This of course depends on the voltage required. If 4.6 GHz can be done with less voltage, like 1.30 V, I would stick with that. You may find that now degradation has started that it could accelerate if you're not careful.

    I guess you don't do lots of video encoding or running your CPU at high loads for extended periods, if you did I think your CPU would have already been cactus...
     
  4. sverek

    sverek Ancient Guru

    Messages:
    5,432
    Likes Received:
    2,295
    GPU:
    NOVIDIA -0.5GB
    Is your rig stable on stock speed?
     
    Last edited: Dec 21, 2015

  5. Undying

    Undying Ancient Guru

    Messages:
    11,985
    Likes Received:
    1,608
    GPU:
    Aorus RX580 XTR 8GB
    Idk, didnt used stock speed for ages and probably i wont even try. It dosnt matter anyway. Im happy as long i can keep this high overclock even CPU continue to degrade. Next year may finally be i move from Sandy Bridge.
     
  6. weasel

    weasel Master Guru

    Messages:
    676
    Likes Received:
    2
    GPU:
    2080ti&1080Ti
    stil more then fast enough for current games especially with that overclock i would keep it and like you mentioned maybe upgrade next year it has served you well.
     
  7. BLEH!

    BLEH! Ancient Guru

    Messages:
    5,898
    Likes Received:
    75
    GPU:
    Sapphire Fury
    W3680 is still good after 5 years.
     
  8. cowie

    cowie Ancient Guru

    Messages:
    13,197
    Likes Received:
    287
    GPU:
    GTX
    There is really only 1 trick
    don't run the chips at max clock 24/7 my 3570k still goes 5.0 1.40. 2+years
    be it besides a benchmark or two I always run 4.30 1.20v.my other 3570k went from 6.15 to 5,85 "3d stable" in two weekends on ln2 and I did not even go over 1,75v.
    980x's were the worst in my opinion the volts you needed to get 6.0+ and they where loke eggshells really by a few sub zero runs I got 5.6 max and they go dead after that not even running stock speeds

    so it could be a lot worse because even at 4.5 you are still good to go :)
     
  9. Undying

    Undying Ancient Guru

    Messages:
    11,985
    Likes Received:
    1,608
    GPU:
    Aorus RX580 XTR 8GB
    Sandy can go up to 1.45v safely. Intel said its 1.52v max for Sandy chips, not that i have gone that high.

    I been using 1.44v for couple of months (5Ghz) no issue. I can still reach that clock speed but at higher voltage than i used to do.

    In the end, 1.392v for 4.8Ghz isnt that bad. I'll use that current overclock until i my CPU contune to degrade. Temps while gaming are quite good, 60-65c.
     
  10. sverek

    sverek Ancient Guru

    Messages:
    5,432
    Likes Received:
    2,295
    GPU:
    NOVIDIA -0.5GB
    If you had 980 sli or compiling, rendering videos, I'd understand the need for overclock, but single 280x?

    Your GPU gonna reach the limit 1st unless you playing on lowest settings.
     

  11. -Tj-

    -Tj- Ancient Guru

    Messages:
    16,436
    Likes Received:
    1,506
    GPU:
    Zotac GTX980Ti OC
    Imo you're underestimating that safe zone too much, if you kept it in 1.35 -1.4v it would be fine for sure..

    Well Im keeping my Haswell bellow 1.3v and I haven't seen any degrading yet, in almost 3 years time.. 4.7 @ 1.284 is still stable like day1 or atm 4.6Ghz 1.234v.

    Its treshold is ~ 1.35 - 1.40v or so.. If I ran in that area I have no doubt it would degrade like that as well.
    Intel said its max ~ 1.47v.
     
  12. tsukasa80

    tsukasa80 Member

    Messages:
    16
    Likes Received:
    0
    GPU:
    Amd 7790 Oc'd
    I have a haswell k chip, at 4.4 at 1.158v. So I guess that's pretty safe then? Here I was thinking I was putting too much volts into it.
     
  13. Undying

    Undying Ancient Guru

    Messages:
    11,985
    Likes Received:
    1,608
    GPU:
    Aorus RX580 XTR 8GB
    Interesting thing i noticed is that my integrated memory controller on CPU also got weaker with CPU degradation on this chip. I was using 1866 8-9-8-24 now im at 1866 9-9-9-27 (Vtt 1.152v/Dram 1.620v) in order to remain completely stable in prime95.
     
    Last edited: Dec 26, 2015
  14. Amaze

    Amaze Ancient Guru

    Messages:
    3,128
    Likes Received:
    561
    GPU:
    1070ti 2114/4350
    Is it possible that your mobo has increased vdroop over time?
     
  15. Undying

    Undying Ancient Guru

    Messages:
    11,985
    Likes Received:
    1,608
    GPU:
    Aorus RX580 XTR 8GB
    We have the same mobo. No, didnt notice any increased vdroop, same volts like before.
     

  16. Amaze

    Amaze Ancient Guru

    Messages:
    3,128
    Likes Received:
    561
    GPU:
    1070ti 2114/4350
    Hmm indeed. You have my sympathy ;)
     
  17. Steppzor

    Steppzor Master Guru

    Messages:
    783
    Likes Received:
    42
    GPU:
    MSI 1080 Ti GamingX
    My god old I7 920 did the same thing, had it running at 4.4Ghz for a good while. Ended up on 3.4Ghz when i decommissioned it. For the last year i had it i had to go down ~200Mhz every month or so.
     
  18. southamptonfc

    southamptonfc Ancient Guru

    Messages:
    1,802
    Likes Received:
    56
    GPU:
    STRIX 2080 Super
    1.52v is the max VID for a Sandy Bridge. This has absolutely nothing to do with a maximum voltage or any kind usage recommendation.

    1.4 is what most people considered safe for 24/7. It's not a surprise that your chip has degraded but it's had a good run!
     
  19. stereoman

    stereoman Master Guru

    Messages:
    742
    Likes Received:
    72
    GPU:
    MSI 1070 Seahawk EK
    I haven't had a chip degrade on me yet but like others have mentioned I think it's better to back off a little when it comes to voltages, i'm currently at 1.258v for 4.7ghz on my 4790K, temps are running great as well with my H100, only thing I really need to do now and again is clean out the radiator fans, I think it's still got the same thermal compound I applied over a year ago.
     
  20. Groovy-Music

    Groovy-Music Member Guru

    Messages:
    112
    Likes Received:
    0
    GPU:
    MSI GTX 1070 AERO OC
    Temperature vs Voltage ?!?

    Ok, real question?

    Is an increase of temperature more damageable for a CPU or an increase of voltage?

    example to clarify my question:
    Will the same CPU degrade faster at stock voltage but Higher temperature (not good cooling)
    or
    Increased voltage and Mhz but Lower temperature (good cooling) ?
     
    Last edited: Jan 6, 2016

Share This Page