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What to lower for i7 980 4Ghz Best OC for Everyday Use?

N

Net

Golden Member
I want to keep my chip in good condition while running 4GHz for everyday use. What should I adjust? AFAIK lower the vcore, pll, qpi voltages.

Current setup:

BCLK 160
PCIE 100
DRAM 1604Mhz
UCLK 3207Mhz
QPI 7057 MT/s

cpu vcore 1.26250
cpu pll: 1.8 (lowest the board will let me go)
qpi: 1.30

ran passmark bench got 4090 for complete result and 1212.3 for cpu
running prime95 right now.

max temps in core temp while running prime95 (20 min in) so far:
60
61
54
56
64
61

while running prime95 generally in the range
52
54
48
50
57
54

system:


Intel Core i7-980 Gulftown 3.33GHz LGA 1366 130W Six-Core Desktop Processor
ASUS P6X58D Premium LGA 1366 Intel X58 SATA 6Gb/s USB 3.0
Noctua NH-D14 120mm & 140mm SSO CPU Cooler
16 GB (4 x 4GB) Kingston HyperX Grey Series 240-Pin DDR3 SDRAM DDR3 1600 Desktop Memory Model
 
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4GHz shouldn't be that high. And although Prime isn't much load, assuming you don't stress your CPU more than that you will probably stay sub 70C most of the time. That should be fine to last at least 1.5-2.5+ years or so, hopefully 🙂

Full load is something like OCCT or IBT after 5-10 mins of use. Will probably get 10-20C higher than what you get after prime after 30+ mins 🙂
 
And don't change anything like PLL etc if you want best use, unless you know exactly what you are doing. Just stick to CPU speed and vcore for such modest OCs.
 
That's fine for 4Ghz on that proc. My i7-930 will peak in the mid 70's and that's below stock voltage even.
 
No, an H50 and 1.24V

Ok, the mid 70's are with heavilly stressed memory (Intel Stress test tool on memory), and the memory voltage is 1.65 instead of 1.5 though. Just compute makes it peak in the low 70's.

Nehalem is not SB, it runs quite a bit warmer. The stock cooler was awful, it would hit high 80's under medium load.
 
for the chip to last longer is the main focus to make the vcore, pll, and api voltages the lowest possible while being stable?
 
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aaksheytalwar said:
Making it high will get even better temps tho 😛
Click to expand...

yeah, i know. i don't like the sound though. if i do big cruching tasks for long periods of time when i'm not home then i up the fans.


i had to bump up the vcore to 1.3v to get it stable. Ran IntelBurn test on max 20 times without the noctua rpm fan lowvolt wires and two fans on medium. It ran stable with max temps hitting (in core temp):

63
64
56
57
65
63

min temps after runs:

18
22
17
17
23
20

🙂
 
aaksheytalwar said:
What is your ambient? :S
Click to expand...

It's 70.5F. The temp in my room dropped during the night, probably around 69 or 68F.

i put my fans back to low earlier today and my noctua fans are plugged straight to the mobo without the lowvolt plugs.

during use today my temps sit around:

24
26
23
22
27
25

i'm using the antec 300 which has a good airflow. my favorite case so far. sometime in the future i want to do water cooling for higher overclocks. i can go higher right now but i like low temps. maybe i'll mod the case when that time comes.
 
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