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Core i7 3770K & 3750 review with Z77 DZ77GA-70K mobo [Guru3D.com]

Discussion in 'Frontpage news' started by Guru3D News, Apr 23, 2012.

  1. ---TK---

    ---TK--- Ancient Guru

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    maybe their both need an update
     
  2. isidore

    isidore Ancient Guru

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    Question for you my friend, why in Gods name did you upgraded to the i7 3770 and even worse to a non K?
    I wanted to but the high temp and no significant increase in performance over the 2600/2700k made me stop and think.

    My logic was this: grab a 2700k for another 2 years until Haswell gets out or AMD brings something new. And i can OC this 2700k to 4.9ghz on air without having the temperature of the Sun in my case, thus resulting in better performance over the 3770k.
     
    Last edited: Apr 30, 2012
  3. dannyx

    dannyx New Member

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    Well, to be honest, with HT OFF I get 4.2GHz with 1.25V getting hot up to 95°C, but on 4GHz and 1.85V it works nice to 85°C. Air Noctua 14.
     
  4. IPlayNaked

    IPlayNaked Banned

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    1.85v you say?
     

  5. dannyx

    dannyx New Member

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    Oops, a typo - 1.185. Load line calibration (I presume) moves it to 1.19-1.192 automatically under Prime95 load and temperatures on 1.23-1.25 go up to 100°C so I gave up on more than 4GHZ although I'm using Corsair water.
     
  6. BlackZero

    BlackZero Ancient Guru

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    What temps are you getting for that 2700k at 4.9Ghz with the c4?


    My temps at 4.9Ghz, prime95 blend, all radiator fans on silent.

    [​IMG]


    and at 5Ghz, prime95 small fft, all fans on full and with lower ambient temps.

    [​IMG]


    Not sure if ivy-bridge can stay below 70c at a similar overclock even with high end water, though it may match the performance level at around 4.8Ghz the temps may still be a little higher so you might need to run the fans at a higher rpm, meaning similar overall performance/temps to sandy bridge but more noise ;)
     
  7. Anarion

    Anarion Ancient Guru

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    Last edited: Apr 30, 2012
  8. Uncle Dude

    Uncle Dude Ancient Guru

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  9. Agent-A01

    Agent-A01 Ancient Guru

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    mate you get just about exact same temps as me at 4.9 and im only using air cooler with two 1200rpm noctua fans??
     
  10. Mufflore

    Mufflore Ancient Guru

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    He is running silent tho.
     

  11. Agent-A01

    Agent-A01 Ancient Guru

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    yeah i saw but my noctua 1200s are silent.
     
  12. TechFreaK

    TechFreaK Banned

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  13. BlackZero

    BlackZero Ancient Guru

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    ok.. this is without fans on silent so lets see you get same temps, it's only a 5 minute run.


    5Ghz, prime95 small fft

    [​IMG]
     
  14. Agent-A01

    Agent-A01 Ancient Guru

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    only have a 5ghz HT stable, and i hit high 70s for that, dont feel like making a no HT and trying to find the lowest stable voltage, tedious and boring.

    make a comparison of your current 4.8 with ht with fans on low and high. i suppose i could put my 2 2500rpm nexus panaflo120mmx35mm fans on there but that is noisy as hell
     
    Last edited: Apr 30, 2012
  15. ---TK---

    ---TK--- Ancient Guru

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    what voltage you running at 5.0?^^
     

  16. BlackZero

    BlackZero Ancient Guru

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    You said you could match my temps with your aircooling setup, I asked you to prove it with a mere 5 minute run, which you couldn't.. so either post proof or please don't post anything.
     
  17. Agent-A01

    Agent-A01 Ancient Guru

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    iirc under load 1.45~

    i can post temps with your 4.9 on the last page, but im not going to spend the time trying to find a stable 5.0 no ht
     
  18. ---TK---

    ---TK--- Ancient Guru

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    just lower you vcore a couple steps. ht needs about 2-3 steps more vcore for the same cpu speed as no ht on my rig everything else is the same on my rig
     
  19. IPlayNaked

    IPlayNaked Banned

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    Double
     
    Last edited: May 1, 2012
  20. IPlayNaked

    IPlayNaked Banned

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    How the **** does prime damage a CPU? I mean, as long as cooling is sufficient.
     

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