Advised on OverClock

[Yuran]

Good day fellow technerds!

 

I have my i7 4770k watercooled by an aio cooler (Corsair H105i) and have it running at 4,5ghz at 1.350 volts. 
I tested stability through rocket league and Cinebench running at the same time and the hottest core reached 81.
My question if I should run this overclock or go for 4.4 ghz at 1.25 volts?

[Droidbot]

Take it down to the lower clock, keeps the lifespan of the chip. 81 is fine temp wise but you want to use as little voltage as possible

[Daniel Z.]

Go for lower clock, there is a significant difference in voltage.

[Yuran]

And the test for the stabilty was that any good. Or do you have something better? I just Clocked it to 4.4 @ 1.25 Volts

[Droidbot]

Just now, Yuran said:

And the test for the stabilty was that any good. Or do you have something better? I just Clocked it to 4.4 @ 1.25 Volts

Run Prime95. It's a serious stress on the CPU. 

Good stability tester

[Yuran]

Do I need to set certain settings in prime95?

Because I just booted it up and tried to run it's standard settings and it insta crashed.

[Imakuni]

19 minutes ago, Yuran said:

Good day fellow technerds!

 

I have my i7 4770k watercooled by an aio cooler (Corsair H105i) and have it running at 4,5ghz at 1.350 volts. 
I tested stability through rocket league and Cinebench running at the same time and the hottest core reached 81.
My question if I should run this overclock or go for 4.4 ghz at 1.25 volts?

Lower that voltage immediately. 1.35 is too high for a 4770k. If it was Skylake or your chip was delidded, maybe... but as is, it's just too much.

 

Knock it down to 1.25v max.

[tom_w141]

36 minutes ago, Droidbot said:

Run Prime95. It's a serious stress on the CPU. 

Good stability tester

Careful on blinding recommending Prime95 nowadays. aida64 cpu only stress test is a much safer option.

 

http://www.tomshardware.co.uk/answers/id-2985195/4790k-hitting-100-degrees-load-seconds.html?_ga=1.32010494.1139276848.1486997429

[Droidbot]

3 minutes ago, tom_w141 said:

Careful on blinding recommending Prime95 nowadays. aida64 cpu only stress test is a much safer option.

 

http://www.tomshardware.co.uk/answers/id-2985195/4790k-hitting-100-degrees-load-seconds.html?_ga=1.32010494.1139276848.1486997429

yeah, that's due to the FPU stress that it loves to push. AIDA is a walk in the park for modern CPUs by comparison

[tom_w141]

Just now, Droidbot said:

yeah, that's due to the FPU stress that it loves to push. AIDA is a walk in the park for modern CPUs by comparison

My point was Aida64 appropriately stresses your CPU exceeding any real world load and therefore proving system stability safely. What is the point in going too far and potentially damaging hardware? It is borderline irresponsible to suggest versions of prime95 later than 26.6 to novice testers.

[Imakuni]

43 minutes ago, tom_w141 said:

My point was Aida64 appropriately stresses your CPU exceeding any real world load and therefore proving system stability safely. 

Not really, AIDA is potato. It's pretty easy to have an OC pass AIDA just to crash within 5min of gameplay.

 

45 minutes ago, tom_w141 said:

What is the point in going too far and potentially damaging hardware?

Cars don't kill people. People kill other people, using cars.

 

 

And why am I saying that? Well, that's because the exact same applies here: P95 doesn't damage anything. Dumb people damage their hardware, using P95 (and they've gotta work hard to do it!).

 

50 minutes ago, tom_w141 said:

It is borderline irresponsible to suggest versions of prime95 later than 26.6 to novice testers.

So long as you properly instruct the person, there's no problem in recommending 28.10. Now, granted, this didn't happen in the particular case you were quoting, but the overall point still stands.

[tom_w141]

3 hours ago, Imakuni said:

So long as you properly instruct the person, there's no problem in recommending 28.10. Now, granted, this didn't happen in the particular case you were quoting, but the overall point still stands.

I don't see any instruction on proper use of prime95 in this thread do you? Other than "use it, its good".

[Imakuni]

2 hours ago, tom_w141 said:

I don't see any instruction on proper use of prime95 in this thread do you? Other than "use it, its good".

If you combine the "use it, it's good" with my advice to immediately lower the Vcore, OP will have all the instruction he'll needs.

[Droidbot]

8 hours ago, tom_w141 said:

My point was Aida64 appropriately stresses your CPU exceeding any real world load and therefore proving system stability safely. What is the point in going too far and potentially damaging hardware? It is borderline irresponsible to suggest versions of prime95 later than 26.6 to novice testers.

Not really.. I used to use AIDA and had multiple OCs pass 20min AIDA but crash in-game.. it's good for a view on the temps you will get with an OC but it's not a good stability tester.

 

I've also heard nothing about Prime95 killing hardware besides user error. If it killed your board, then it's probably your fault - like the one case I saw where the guy had used an auto OC tool on an MSI board and used Prime to test it, 1.5v.. boom, VRM popped. 

[wildgg]

the 100mhz with that extra voltage is not really worth it,

 

i'm running my 4790k on 1.38V now for almost 2years on 4.8ghz hasn't let me down yet.