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How long do I need to stress test a cpu to see if it has a stable overclock?

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How long do I need to stress test a cpu to see if it has a stable overclock?

 

I typically put it on when I go to sleep, and then If its still running when I wake up I let it keep going while I'm out/working.  But I'd say If its still running after you sleep its probably pretty stable.

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I usually bench for 24 hours or so. The software has changed these days though/ Now a days a few hours should be ok 5-6. It's really personally preference.

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Depends how patient you are. Standard of 24hrs, longer for absolutely critical machines, shorter for the average user, and for me none at all and try to use blender on it for awhile without crashing. 

You gotta do you girl. I always say you gotta do you. And if he's doing him, then who's doing you? Because right now, it seems like no one's doing you.

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My machine is on 24/7 + on battery backup. So if i recall i did a 24-hour over clock since my machine is always on.

Windows 10 Latest Build
RAID 0 Samsung SSD 970 2tb EVO's (4Tb Store)
RTX 3090
9900k DELIDDED with custom copper Rockitcool @ 5ghz 
H150i RGB PRO XT
Corsair Dominator Platinum 64GB (4x16GB) DDR4 3200MHz C16 Desktop Memory 1.35v XMP Profile
Phanteks PH-P1200PS 80+ Platinum - Built-in Power Splitter 1200W Fully Modular

Z390 DESIGNARE (rev. 1.0)
Top Mon #2 ASUS ROG SWIFT PG348Q | NVIDIA G-Sync 100hz

Bottom Mon #1 Alienware Overclocked Refresh Rate #AW3418DW G-Sync 120hz

Server: 2019 DataCenter Edition, 42TB Store RAID 6 | WD Gold Enterprise Class 7200 RPM,SATA 6 Gb/s, 256 MB Cache

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