Overclocking i5-3570K CPU at Sabertooth Z77 to 4.4 or 4.5 GHz with OFFSET VOLTAGE. Help!

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Ransome

Ransome

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Already tried browsing through tons of guides and threads, too many conflicting guidelines. I gave up.
Been using multiplier x4.2GHz for years - without changing voltages or touching any other setting (auto default voltage). RAM is set to X.M.P at 1600MHz (16 GB DDR3).

I seek the simplest, most efficient, OC to 4.4 or 4.5 GHz.

Also I personally think it is better to have dynamic voltage, so cpu won't run at a constant high voltage when idle, therefore I assume Offest is preferable to Manual - and is the way to go. I like Intel turbo-clock tech for the same reason.
Just an assumption, not an expert.

However, bear in mind that when it comes to OC settings and terms - I am absolutely "noob" so if you want to instruct me- then do so as specifically and with as much detail and accurate names as possible.

Thank you!
Really need some simple accurate help for a simple, safe, cool, powerful oc.

 
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spat55

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I like to run a fixed voltage but not auto as I like to choose that myself. All chips are different and some need more than others. Had mine running at 4.4ghz @1.37v although I have come down to 1.30v @4.3ghz now. You just need to play around and make sure to use something to monitor temps so you don't overheat, turning off power saving in the BIOS helped me.
 
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Ransome

Ransome

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Have you changed any other setting? Did you simply set CPU Voltage to Manual and then picked 1.37V? Have you changed stuff like LLC,etc?
Like I said, I am not an expert - so I don't know what all the settings REALLY DO, and I have not enough knowledge how to execute these things properly, efficiently and safely.

Additionally - what's the exact different between AUTO, Offset and Manual?
Offset confuses me the most - does Offset add-to auto? I mean, is 0.040 offset equals to AUTO V + 0.040? or less? Because I applied +0.040 offset and had almost 0.2 less voltage than auto at 4.4GHz I think.

EDIT: I prefer to keep the benefit of a dynamic flexible CPU Voltage. So that voltage will wind down when idle or at low load, and boost up when needed during processing and gaming. Unless it's against Gamers' consensus and Manual is in-fact optimal.
Auto-voltage has that benefit. However, auto-voltage works perfectly at 4.2GHz -with low voltages picked automatically; but once you change to 4.3 and higher - it seems to increase voltage excessively.

Adding my full specs here:
Gigabyte G1 Gaming Geforce GTX 980 SLI
Core i5-3570K (running @ 4.2 Ghz auto voltage OC)
Asus Sabertooth Z77 Motherboard
16 GB of G.Skill Ripjaw-X DDR3 1600Mhz (x.m.p profile)
SSD 256GB Crucial M4
HD Western Digital Black 2TB
CPU Cooler: Noctua NH-D14
Case: Corsair CC600T Graphite White Special Edition
PSU: Corsair 850AX Gold
Monitor: Asus ROG SWIFT PG278Q 2560 x 1440p @ 144 MHz + Nvidia G-Sync.
Secondary Screen: 55" TV: Samsung UA55D6400 TV1080p @ 60 MHz -Connected via Pioneer VSX-823-K AV Receiver (Home Theater System)
 
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Ransome

Ransome

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Alright but I want to use Offset Voltage.
I have no idea how to overclock using Offset properly.
Should I use + or - ?
Should I add +0.0XX or +0.00XX ?

I have no idea where to start or what to aim for. Must have read dozens of pages.. Thought about +0.040 to +0.050 offset at 4.4GHz perhaps..

Also - which software should I use for stress/torture test (where to download too), and for how long per each test? Don't want to damage my CPU.

Can someone please give me recommended OFFSET VOLTAGE instructions to overclock my i5-3570K to 4.4 GHz ??
 
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Mister-E

Mister-E

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My 3570k is running at 4.5ghz with a +0.065v offset.

I've tested with:
Intel burn test 50 passes
Prime95 12 hours
Then I ran some Valley runs, although this is for gpu's, I does give you a stability checkup.

Google where to download them.

Main thing is to monitor your cpu temps with hwmonitor. Don't let it get to hot. My cpu reached a max of 68 Celsius with my aircooler
 
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Ransome

Ransome

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Thanks for the reply.
I'll keep those tools in mind (though I wouldn't mind a few links to know where to get the latest versions from a safe source).
Now for the main matter at hand:
No idea how your i5-3570K can run 4.5GHz stable at only +0.065 Offset. It is way too low a number. Maybe your PSU or Mobo is throwing more voltage into the CPU therefore you don't need more than such a minute number.
I think (if I recall right) to me, I must hit the 0.1XX threshold to aim for 4.4-4.5 GHz. 0.0XX just isn't enough. I read some OC guides and they all point to higher numbers.
I guess voltage dependencies could be anything from the chip itself, the mobo, psu or even the socket on the wall and such.

As for now, I am running 4.2 GHz with, -0.030 (negative) Offset. Although I am going to test -0.040GHz again.
Keeping the temps low, the voltages low and steady and maintaining the decently clocked 4.2GHz sounds like a good plan to me.

Side note: Beyond 4.2GHz however, my chip/system voltage-thirst spikes. If set to auto-voltage: it uses a significantly higher number. If offset is used: then I need to pump in much more. Not sure what's causing this "leap" in voltage usage/requirement- but the threshold seems to be somewhere at 4.2-4.3GHz+, very peculiar... That said, I kind of grown weary of trying to cross that threshold for such little gain.

Then again, 4.2 GHz with negative offset sounds like a good plan! :bounce: The difference between 4.2GHz and 4.5GHz - on the same CPU in games - is marginal at best and probably unnoticeable. With that in mind, I don't bother much with Prime 95 tests (even though I ran a few short intense ones) - the real test is running the PC in Idle, mid-range and of course: GAMING. That's what counts. Day to day, normal usage. Wouldn't you agree?
 
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