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First Overclock i7 @ 4ghz

post #1 of 31
Thread Starter 
So i just builded my first system and tryed overclocking for the first time.
it looks like this:

Model: i7 920
Revision: D0

Baseclock: 211
Multipler: 19

idle: 40-45C
max load 79-83C

the cooler is a h70 on outake (Reason: the radiator is loacted in the back of my case witch is haf X and thats the only place with no dust filter and i dont wont it sucking tons of dust in)

Now are these temps good enough for that overclock ?

Cpu-z Validation Here

also cpu-z shows a Core voltage at 1.24, but its 1.26 in bios.

Edit: This is tested with two instances of prime95 and is stable
Edited by Pakmand - 4/19/11 at 1:28am
post #2 of 31
That's rather high for an H70. Do you have really hot ambient temperatures?
 
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post #3 of 31
Welcome to OCN

Those temperatures actually look a little too high for your current CPU voltage. Unless you have a high ambient temperature...I'd want to double check your airflow, fan directions, and H70 seating to see if you yield better results.

I can't give you a distinct temperature that you should be running since I'm running at 1.44v maxing up to 90C but I do know that with a regular 4.0Ghz overclock you shouldn't being so high especially with an H70.
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post #4 of 31
That is kinda high for the H70 I have and my idle is around 24c and heavy load 50-60c I use the H70 as an intake as recommend in the Manuel I do see some dust because of it but I'm looking to put a filter there you should do the same intake helps cool the whole pc I also have a Haf x 942 which model do you have? BTW my CPU core voltage is @ 1.4
Edited by jonnyquest - 4/19/11 at 2:02am
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post #5 of 31
Thread Starter 
Hey thanks for the responses
i will try setting the h70 for intake to see if i get better temps

also i got the haf x full tower
post #6 of 31
Thread Starter 
After setting to intake:

43-47 idle
78-81 under 100% Load

not that much of a diffrent


could it be pump or fans not runnig at full speed ?
post #7 of 31
Its fine, what most people forget is, chips with lower Vcore and stable tend to run hotter than chips that require higher vcore for the same overclock at the same frequency.

I have my i7 920 at 1.312v @ 4Ghz but hits 75*c on my setup in sig. Some people run lower vcore on similiar setup and get the same temps at similiar ambients. But the advantage is that you are running less Vcore.

Why are you running 2 instances of Prime95? What test did you run? For how long?
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post #8 of 31
Thread Starter 
i ran it for 8 hours

i read something somwhere about you should run two instances on i7 running one of them with -a in console line

but good to know ill be fine with these temp also i just orderd a dustfilter to use on the h70 so that probelm is solved


im impresed that my first ever overclock went that well from 2.66 to 4.00 ghz
and just basicly taht my first pc build worked perfectly

regards pakmand and thanks for the help
its amazing how fast you get help on this forum

edit: it was toture test
Edited by Pakmand - 4/19/11 at 4:46am
post #9 of 31
what thermal paste are you using? I am not sure which one is the best one but heard that using a better one will get you 10C off. correct me if I am wrong.
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post #10 of 31
Thread Starter 
im using the stock paste on the h70 but i have heard its ome of the best and 10C thats a lot i thougt it was 2-3c yyou would get out of that
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