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i7-4790k temp flux?

Hey guys, recently got the i7-4790k....L3 batch. Im using a phanteks PH-TC14PE cooler in a corsair 540 air case.

CPU runs 4.4ghz turbo with 1.374V, but the temps are so sporatic using Realtemp + HW Monitor im getting spikes of up to 70C just browsing webpages. (Not using the IGPU).

Anyone know whats a good program to test temps on higher loads?
18 answers Last reply Best Answer
More about 4790k temp flux
  1. I noticed the forum is full of threads relating to 4790k temps, maybe a trend there (I posted one as well, mine is fine normally but unusally hot on stress tests)
    For 'higher loads' HW monitor and encode a video, if that is not too hot intel extreme utility has a stress test.
  2. 1.374v seems very high for 4.4.
    At 4.4, my 4790K run at 1.20
    I think there is something wrong with your bios settings.
    I really doubt that you got a lemon in the bin lottery.

    I just use optimized defaults not bothering to oc. Higher OC really is not needed.
    Temperatures are determined by the voltage you need.
    Once you get past 1.25, heat rises rapidly.

    I use OCCT for stress testing.
  3. Could you give a hint about what to do about the bios settings, like a tutorial link? I have the same problem, high temp and 1.37 on load.

    geofelt said:
    1.374v seems very high for 4.4.
    At 4.4, my 4790K run at 1.20
    I think there is something wrong with your bios settings.
    I really doubt that you got a lemon in the bin lottery.

    I just use optimized defaults not bothering to oc. Higher OC really is not needed.
    Temperatures are determined by the voltage you need.
    Once you get past 1.25, heat rises rapidly.

    I use OCCT for stress testing.
  4. Im using the Z97X-SOC Force.....bio settings were untouched on default/auto or anything of that jazz. No idea why its defaulted 1.374V for 4.4GHZ turbo. Thinking I got screwed in the silicon lottery? Doubt Tigerdirect will replace me.
  5. Brian1234132 said:
    Im using the Z97X-SOC Force.....bio settings were untouched on default/auto or anything of that jazz. No idea why its defaulted 1.374V for 4.4GHZ turbo. Thinking I got screwed in the silicon lottery? Doubt Tigerdirect will replace me.


    You may want to check your max temp under load before doing anything, I mean don't push it over 80C to be safe, just get a ballpark of is it good or bad. As for the bios, it may need adjustment, I may have the same problem, I'm still trying to find out.
  6. No idea if its good or bad....didn't even run the test for a whole pass. Used prime95 blend.

    Temps hit 82C and kept climbing slowly, didn't really want to go past that haha.
    Should I be getting that hot with a Phanteks PH-TC14PE? Not to mention the high voltage, may have to manually set that.
  7. That is way too high voltage for stock 4.4Ghz turbo. Some are running 4.8Ghz at that voltage. Reset bios to default or clear cmos. You shouldn't need that high voltage to run at stock 4.4Ghz. Mine ran at 1.18v at 4.4Ghz on all cores at stock.
  8. Yeah, im having problems with that actually. My CPU vcore defaulted to that. New bios, same thing. Not even sure why. Im trying to set the voltages manually now, but no dice. It still says 1.374 in CPU-Z
  9. Maybe cpu-z is showing wrong value, check and verify the vcore or vid in HWinfo.

    HWiNFO
    http://www.hwinfo.com/files/hw64_440.exe
  10. just manually set it to 1.15V (1.1V was unstable). Running Prime95 atm and it starts off around 63C and steadily climbs to 78C after the 320k test. Is that fine? or still bad haha.
  11. Well it peaked at 80C, ima let it run for a few hours and come back with peak temp. It still seems pretty damn hot for 1.15V anyhow.
  12. Alright, changed some settings here and there. Now at 4.0GHZ, w/ turbo boost enabled + power saving enabled. Getting 60C to start, with a stead climb to 85C over 20 minutes of Prime95...seems pretty broken to me. Forgot to add 1.15 for Vcore.
  13. Found out i was suppose to be using Small FFTS for thermal testing. Hitting 83C off the bat, on stock settings. Now im worried. Will reseat my HS and try again later today I guess.
  14. For your comparisons, I have OC:ed my 4790K to 4,6Ghz. My voltage is stable at 1.285v.

    Idle temps are around 35 degrees. Load temps when gaming between 50-60 degrees, and stresstesting (Prime95 and Aida64) takes me to 68 degrees.
    All with an h80i from Corsair.

    I have an L4-batch
  15. Mothergoose80 said:
    For your comparisons, I have OC:ed my 4790K to 4,6Ghz. My voltage is stable at 1.285v.

    Idle temps are around 35 degrees. Load temps when gaming between 50-60 degrees, and stresstesting (Prime95 and Aida64) takes me to 68 degrees.
    All with an h80i from Corsair.

    I have an L4-batch


    Thanks for the comparison! Are you using Small FFTs on Prime95? I seem to hit 82C on Small FFTs on stock! x.x Voltage is 1.13 currently.
  16. Brian1234132 said:
    Mothergoose80 said:
    For your comparisons, I have OC:ed my 4790K to 4,6Ghz. My voltage is stable at 1.285v.

    Idle temps are around 35 degrees. Load temps when gaming between 50-60 degrees, and stresstesting (Prime95 and Aida64) takes me to 68 degrees.
    All with an h80i from Corsair.

    I have an L4-batch


    Thanks for the comparison! Are you using Small FFTs on Prime95? I seem to hit 82C on Small FFTs on stock! x.x Voltage is 1.13 currently.


    I posted in this thread earlier that I might have the same problem, I had similar voltages, temps, and a similar cooler, and should have been getting ok performance and temp but wasn't.

    I considered many possibilities including just faulty temp readings, nothing in the case seemed hot. Wheels started turning in my mind though, and long story short, I updated to the latest motherboard bios and voltage and temp seem very good now. 1.17 volts and 72C stable on the intel stress test. Prime95 is a torture test, you don't have to judge everything by that though the intel and others aren't much weaker I suspect. I'm still testing and tweaking though.

    So take your time and try to figure it out, it might need the bios or something else.

    Intel i7-4790K
    GIGABYTE GA-Z97XUD3H
    Noctua NH-D14
    G Skill Sniper Ram
    Corsair 400R case and Corsair 600W PSU
  17. Best answer
    Guys,

    You might want to give this a read: 3 Step Guide to Overclock Your i7 / i5 Haswell Platform: http://www.overclockers.com/3step-guide-to-overclock-intel-haswell

    Pay close attention to the section on Adaptive Voltage.

    You might also want to give this one a read: Intel Temperature Guide: http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

    CT :sol:
  18. CompuTronix said:
    Guys,

    You might want to give this a read: 3 Step Guide to Overclock Your i7 / i5 Haswell Platform: http://www.overclockers.com/3step-guide-to-overclock-intel-haswell

    Pay close attention to the section on Adaptive Voltage.

    You might also want to give this one a read: Intel Temperature Guide: http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

    CT :sol:


    Thanks for the info! Been reading around. OCN owners club has actually said Prime95 is not too good for stress testing Haswell and overvolts it at times. I didn't see it, but I did see the temps jump to the same temps at lower volts (Think 1.374V -> 1.13V with the same load temps?) So instead I just started using Intel XTU, hoping for some luck. Running it right now, temps look amazing (at stock haha). 63C forever please. Actually looks like i'd be able to OC.
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