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Thread: E8400 overclocks or any other wolfdale.

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    E8400 overclocks or any other wolfdale.

    I have been testing today and am amazed by this cpu currently been priming for 3 hours.

    9x450 4.05ghz
    ram at 900mhz at cas 5
    temps at 44c under load using core temp
    watercooled using swiftech kit

    System as in sig jus different cpu.
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    Re: E8400 overclocks or any other wolfdale.

    Nice stuff!

    When you're happy with the stability could you test it with an 8x multiplier (as if an 8200), to see if you can hit 4GHz again. The P35 should make the FSB high enough, but can the chip?

    Awesome result though, are you going to push it higher???

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    Re: E8400 overclocks or any other wolfdale.

    Seen these @4.5 on air...............you should achieve this. The Ram maybe the limiting factor.

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    Re: E8400 overclocks or any other wolfdale.

    Quote Originally Posted by hse180 View Post
    Seen these @4.5 on air...............you should achieve this. The Ram maybe the limiting factor.
    You got any links mate wouldn't mind seeing what settings they are using such as voltage.

    Been priming now for 1.5 hrs 9x480 for 4.32ghz temps 53c at 1.45v. Required quite a bump to get stable. Is it wise to put more voltage thru?
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    Re: E8400 overclocks or any other wolfdale.

    Quote Originally Posted by EarlGrey View Post
    Nice stuff!

    When you're happy with the stability could you test it with an 8x multiplier (as if an 8200), to see if you can hit 4GHz again. The P35 should make the FSB high enough, but can the chip?

    Awesome result though, are you going to push it higher???
    Will give it a go and let you know.
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    Re: E8400 overclocks or any other wolfdale.

    Even though i think 4ghz is Fast enough
    Wolfdale overclocking thread.. - techPowerUp! Forums

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    Re: E8400 overclocks or any other wolfdale.

    Nice overclock. My initial thoughts with these chips was that I'd probably only push until 1.45V with air. Temps at 53°C at load is very good. iirc these chips can take 72°C max so I'd settle with 60°C load. Anandtech's 45nm article did show that these chips hit a sweet spot and then require disproportional volts to push higher FSBs.

    I'd be sorely tempted to push the Vcore up a bit more and go for that 500mhz fsb, but I think I would probably back it down to 4275mhz and wait a while whilst others run their air cooled rigs at 1.5V 24/7.

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    Re: E8400 overclocks or any other wolfdale.

    Im hoping to puchase an 8400 and achieve higher clocks.. Im glad to hear about your results, and i am sure the chip will go higher.

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    Re: E8400 overclocks or any other wolfdale.

    Thread ressurect!!!!

    C'mon, everyone start posting your E8400 overclocks XD

    Heres mine:



    1.4v, 2 hours Orthos stable at 4273 Mhz.

    Links arent allowed to photobucket or something?

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    Re: E8400 overclocks or any other wolfdale.

    I think most of us are still waiting on a (Scan) shipment or are holding off a little until there is more known about the odd temperature situation.
    "Reality is what it is, not what you want it to be." Frank Zappa. ----------- "The invisible and the non-existent look very much alike." Huang Po.----------- "A drowsy line of wasted time bathes my open mind", - Ride.

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    Re: E8400 overclocks or any other wolfdale.

    just want to through this in here, the problem with the e8400 was only the first batch so i believe anyways, it is the diodes which are incorrectly recording information, my heatsink is fully seated and yet it can hit 68C in orthos and after an hour of that, barely warm. Scan are testing their last board to check on monday, some results should appear then.

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    Re: E8400 overclocks or any other wolfdale.

    Received the E8400 today - Batch Q746A551 pack date 24/01/08. I think I'll just get it up and running before I lap the cpu, gotta make sure it's an ok chip. From what i can gather the Q746 batches seem to be good overclockers so fingers crossed.
    "Reality is what it is, not what you want it to be." Frank Zappa. ----------- "The invisible and the non-existent look very much alike." Huang Po.----------- "A drowsy line of wasted time bathes my open mind", - Ride.

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    Re: E8400 overclocks or any other wolfdale.

    I have finally settled for 4.5ghz but it needs a lot of voltage for this speed of 1.5v. It is orthos stable but for normal use I am running at 4.37ghz 8.5x514 as I can drop the voltage to 1.45v.
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    Re: E8400 overclocks or any other wolfdale.

    Can we sticky and put in huge bold letters that these wolfdales DIE with lots of volts VERY QUICKLY.


    1.45 is the absolute MAXIMUM you should put through these chips end of, as they will die of electro migration as there 45nm parts and dont require huge volts, Ive seen alot of people treat them as 65nm conroes and put 1.55v through them which is just silly.

    A few people over at xtreme systems have had there wolfdales die in 3~4wks with 1.50v.

    So ask yourself is anything over 4ghz REALLY needed.




    And don't say you haven't been warned.

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    Re: E8400 overclocks or any other wolfdale.

    Quote Originally Posted by daza View Post
    Can we sticky and put in huge bold letters that these wolfdales DIE with lots of volts VERY QUICKLY.


    1.45 is the absolute MAXIMUM you should put through these chips end of, as they will die of electro migration as there 45nm parts and dont require huge volts, Ive seen alot of people treat them as 65nm conroes and put 1.55v through them which is just silly.

    A few people over at xtreme systems have had there wolfdales die in 3~4wks with 1.50v.

    So ask yourself is anything over 4ghz REALLY needed.
    I second that. Lots of overjuiced E8x00's have bitten the dust. They are 45nm, think about it... not only do they not need the same voltages - they can't handle the same voltages as a 65nm chip...!

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    Re: E8400 overclocks or any other wolfdale.

    Quote Originally Posted by daza View Post
    Can we sticky and put in huge bold letters that these wolfdales DIE with lots of volts VERY QUICKLY.


    1.45 is the absolute MAXIMUM you should put through these chips end of, as they will die of electro migration as there 45nm parts and dont require huge volts, Ive seen alot of people treat them as 65nm conroes and put 1.55v through them which is just silly.

    A few people over at xtreme systems have had there wolfdales die in 3~4wks with 1.50v.

    So ask yourself is anything over 4ghz REALLY needed.




    And don't say you haven't been warned.
    Have you any links to these failures? I have put back to 1.45v just to be safe but if it fails it fails. Any serious overclocker should really research the limits of their chips.
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