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1st gen i7 860 Voltage,Thermal & HT QUESTIONS

post #1 of 9
Thread Starter 
Hello people.

1) What are the highest SAFE voltages for dialy USE? Since my CPU requires high volts and Im thinking of pushing it to 4.0 I need to know at what voltage below 1.4 I can safely operate. Can I be save with 1.4V or higher?
2) What are the temps and best stress test program?
3) Will I loose much with HT off? I play games like: UT3, Max Payne 3, Starcraft II, Sim City 5 and Mortal Kombat Komplete Edition (this MK9 from consoles on PC)

Best regards,
Seban.
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post #2 of 9
1.45v is the max I would use as long as your cooling is ok. It would be ok to get a high temp in stress testing programs like IBT (80-85C+-) But at normal use I wouldn't go over 75C. You can use IBT just fine and Prime95. I found that IBT works better on your socket. (Harder to get the CPU stable) It's fairly easy to get it stable on Prime95.
I wouldn't turn off HT as you will loose performance benefits HT has in multithread supported programs (you will basically just run the CPU as an i5) New games such as Crysis 3 has a performance benefit of HT.

Also remember if you are going to OC your mem, then stay under 2133mhz or even lower, the memery controller isn't as powerfull as in the newer core I processors (I actually fried the memery controller on a 875K back in the day after 3 months at 2400Mhz)
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by DoctorNick View Post

1.45v is the max I would use as long as your cooling is ok. It would be ok to get a high temp in stress testing programs like IBT (80-85C+-) But at normal use I wouldn't go over 75C. You can use IBT just fine and Prime95. I found that IBT works better on your socket. (Harder to get the CPU stable) It's fairly easy to get it stable on Prime95.
I wouldn't turn off HT as you will loose performance benefits HT has in multithread supported programs (you will basically just run the CPU as an i5) New games such as Crysis 3 has a performance benefit of HT.

Also remember if you are going to OC your mem, then stay under 2133mhz or even lower, the memery controller isn't as powerfull as in the newer core I processors (I actually fried the memery controller on a 875K back in the day after 3 months at 2400Mhz)

I dont play Crysis 3 and my mems are preety standard Kingstons DDR3-1333. Im not sure but if memory serves me well it was hard to get them run above 1333 with standard voltage but I might be wrong.


If I have a chance to hit 4.0GHz with HT off and voltage NEAR 1.4 V - like 1.38 V or so, will tems like I dont know... over 75 but not hitting 80, lets say 78 ?
On the other forum people been telling my my chip is crap. I tried 3.9 without HT and I had like 75 degrees after 1 hour of OCCT linpack. So you tell me.


Im asking for temps and volts coz I still wanna play some with OCing my baby. Here is how for I got so far:

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post #4 of 9
I had an i7 860 for like 4 years in an EVGA p55 FTW on air it got 4ghz at like 1.3v and once i went water, most i could get was 4.2 with 1.4v, 4.3 was not possible even with 1.5v and low 80 temps. 1.4v ran for 4 years, until the EVGA p55 FTW died, rma sent me a new board, which died 6 hours later taking the chip too....
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post #5 of 9
Thread Starter 
So what are you tryin' to say ?

And Im not EVGA. Im on ASUS.
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post #6 of 9
Quote:
Originally Posted by Seban View Post

So what are you tryin' to say ?

And Im not EVGA. Im on ASUS.

Im trying to say if you run 1.4v you will be fine for atleast 4-5 years or more to come.
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post #7 of 9
Thread Starter 
I came to a new setting - 3.8GHz with HT ON at 1.368 V (after 3 hours 44 seconds of linpack). Prolly nothing impressive since some people told me I got bad chip but 200MHz in one or the other way its prolly not a big deal.
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post #8 of 9
The way I ran my i7 870 was I left the voltage on stock voltage and used Turbo mode to set the multiplier to 24-27 and it worked awesome that way.
post #9 of 9
Thread Starter 
Turbo boost is nothing. No real benefit. I rather let my cores stay at 3.8GHz, all FOUR of them instead of some dumb Turbo Boost. Unless someone can show me benefits of Turbo Boost 2.8GHz over 3.8GHz then I will be glad to see that my point is proven.
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SSD Samsung 850 Evo 250GB Corsair H75 Windows 8.1 Pro 64-bit Samsung S24D300 
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Ozone Strike Battle Cherry MX Brown Silverstone Gold 600W Lian Li PC-TU 100B SteelSeries Rival 100 
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